Showing posts with label levenhuk. Show all posts
Showing posts with label levenhuk. Show all posts

Wednesday, June 19, 2013

Levenhuk Ra R80 ED Doublet Carbon OTA, apochromatic refractor, 80 mm, carbon tube, case Best Reviews


Best Review Levenhuk Ra R80 ED Doublet Carbon OTA, apochromatic refractor, 80 mm, carbon tube, case

This on-line sellers provide the best quality and save price cost which included super conserve shipping (in U.S.A. only) for Levenhuk Ra R80 ED Doublet Carbon OTA, apochromatic refractor, 80 mm, carbon tube, case. Reading opinions offers you with a a whole lot of fuller details in the cons and pros on the Levenhuk Ra R80 ED Doublet Carbon OTA, apochromatic refractor, 80 mm, carbon tube, case.



Levenhuk Ra R80 ED Doublet Carbon OTA
Apochromatic refractor. Objective lens diameter: 80 mm. Focal length: 500 mm


Levenhuk Ra R80 ED Doublet Carbon OTA has a focal length of 19.7 inches and an objective lens diameter of 3.2 inches. The telescope tube made of carbon-fiber-reinforced polymer makes the telescope lighter and allows decreasing focal length dependency on temperature spans.


Using carbon-fiber-reinforced polymer also makes for quick recovery of the thermodynamic equilibrium of the tube. As any other Levenhuk Ra telescope tube, Levenhuk Ra R80 ED Doublet Carbon model provides high-quality clear views due to fully multi-coated optics. Moreover, this telescope has a dual-speed Crawford focuser that ensures high precision focusing with no backlash.


Levenhuk Ra R80 ED Doublet Carbon OTA also has a barrel diameter of 1.25'' so you won't have any problems using it with different accessories.


With Levenhuk Ra R80 ED Doublet Carbon OTA you will also get a sturdy aluminum case -a great addition that lets you store and transport your instrument with ease.



Specifications:
Optical design: apochromatic refractor
Objective lens: two-element
Objective lens diameter (aperture), in: 3.2
Focal length, in: 19.7
Focal ratio: f/6.25
Optics material: ED glass
Optics coating: fully multi-coated
Barrel diameter: 1.25"
Optical tube material: carbon
Focuser: 2'' dual-speed Crayford focuser
Tube-mount assembly system: quick-release thumbscrew
Optical tube length, in: 15.4
Optical tube diameter, in: 4
Optical tube weight, lbs: 6.2



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Levenhuk Ra R80 ED Doublet Carbon OTA, apochromatic refractor, 80 mm, carbon tube, case Feature

  • Apochromatic refractor
  • Objective lens diameter: 80 mm
  • Focal length: 500 mm





  • %$$$ Quality Levenhuk Strike 80 NG Telescope, achromatic refractor, 80 mm, with advanced kit


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    Best Reviews Levenhuk Strike 80 NG Telescope, achromatic refractor, 80 mm, with advanced kit. Get around the merchant 's on-line searching and browse reviews. If you're trying to uncover Levenhuk Strike 80 NG Telescope, achromatic refractor, 80 mm, with advanced kit with the most effective worth. This may be the most efficient bargains to suit your needs. Exactly where you could discover these item is by on-line looking outlets? Read the review on Levenhuk Strike 80 NG Telescope, achromatic refractor, 80 mm, with advanced kit Now, it 's spacial value. for that reason don't lose it.

    Main Features : Levenhuk Strike 80 NG Telescope, achromatic refractor, 80 mm, with advanced kit

  • Achromatic refractor
  • Objective lens diameter: 80 mm
  • Focal length: 720 mm
  • Comes in a kit - see the description
  • Levenhuk Strike 80 NG Telescope
    Achromatic refractor. Objective lens diameter: 80 mm. Focal length: 720 mm


    Levenhuk Strike 80 NG is the perfect telescope for amateur astronomers.
    The model's magnification of 360x with Levenhuk Strike 80 NG Telescope lets you observe the smallest details of the Moon, see phases of Mercury, the Cassini Gap, Iapetus, atmospheric flows of Jupiter, and many more wonders that the sky is able to show you.
    Despite the more advanced level of the Levenhuk Strike 80 NG Telescope, it stays true to the concept of simplicity and ease of use, so even a kid can manage to set the telescope up and begin a captivating journey through the night sky. As all NG series models, the Levenhuk Strike 80 NG can be used for terrestrial observations as well.



    Levenhuk Strike 80 NG telescope kit includes:

    - Strike 80 NG Telescope
    - Yoke mount
    - Stainless-steel tripod
    - 1.25" stainless-steel focuser
    - Two eyepieces: F20 mm, F6 mm
    - Red Dot 3x20 finder scope
    - Diagonal mirror
    - 3x Barlow lens

    Also you can find:
    - "See it all!" astronomer's book
    - Posters (Moon, Sun and other Stars, Solar System)
    - Planisphere - a rotating star-chart
    - Stellarium - 3D planetarium software (on CD)
    - Compass

    User manual and 3-year warranty are also included.


    Specifications:
    Optical design: achromatic refractor
    Objective lens diameter (aperture), mm: 80
    Focal length, mm: 720
    Focal ratio: 1:9
    Highest practical power, x: 360
    Limiting stellar magnitude: 11.5
    Resolution threshold: 1.6"
    Focuser: 1.25"
    Eyepieces diameter: 1.25"
    Eyepieces: F20 mm, F6 mm
    Finder scope: Red Dot 3x20
    Mount: Yoke mount with right ascension axis
    Tripod: stainless steel
    Tripod height (adjustable), in: 24.8-42.52






    Sunday, June 16, 2013

    +++ Levenhuk Ra R80 ED Doublet OTA, apochromatic refractor, 80 mm, fully multi-coated optics, case


    Buy Levenhuk Ra R80 ED Doublet OTA, apochromatic refractor, 80 mm, fully multi-coated optics, case

    Most of the patron reviews inform that the Levenhuk Ra R80 ED Doublet OTA, apochromatic refractor, 80 mm, fully multi-coated optics, case from Publisher ,are quality product. It could be a pretty great product for the value. You can scan overview from consumers to find out additional from their past experiences. The customers feedback will give you a nice suggestion of the price and nice satisfaction of the products.

    All in all, we are actually suggest Levenhuk Ra R80 ED Doublet OTA, apochromatic refractor, 80 mm, fully multi-coated optics, case fou you. This shopping online sellers supply the best quality and save expense cost which included super save shipping (in U.S.A. only). Reading opinions delivers you having a a whole lot of fuller info of the cons and pros of the Levenhuk Ra R80 ED Doublet OTA, apochromatic refractor, 80 mm, fully multi-coated optics, case.


    Levenhuk Ra R80 ED Doublet OTA
    Refractor. Objective lens diameter: 80 mm. Focal length: 500 mm.



    Levenhuk Ra R80 ED Doublet OTA has a focal length of 19.7 inches and an objective lens diameter of 3.2 inches. The main feature of Levenhuk Ra R80 ED Doublet OTA is a fully multi-coated optics made of ED glass that offer extra clear views.


    Levenhuk Ra R80 ED Doublet OTA has a very bright, eye-catching design due to a special anodized finish of the optical tube and the body of the dual-speed Crayford focuser.


    Thanks to the retractable dew cap, your instrument will be protected from humidity and always ready when you are.


    It has a standard 1.25" barrel diameter so you won't have any problems choosing accessories.


    With Levenhuk Ra R80 ED Doublet OTA you will also get a sturdy aluminum case -a great addition that lets you store and transport your instrument with ease.



    Specifications:
    Optical design: apochromatic refractor
    Objective lens: two-element
    Optics material: ED glass
    Optics coating: fully multi-coated
    Objective lens diameter, in: 3.2
    Focal length, in: 19.7
    Focal ratio: f/6.25
    Barrel diameter: 1.25"
    Optical tube material: metal
    Focuser: 2" dual-speed Crayford
    Tube-mount assembly system: quick-release thumbscrew
    Optical tube length, in: 15.4
    Optical tube diameter, in: 4
    Optical tube weight, lbs: 6.6



    Levenhuk Ra R80 ED Doublet OTA, apochromatic refractor, 80 mm, fully multi-coated optics, case Feature

  • Refractor
  • Objective lens diameter: 80 mm
  • Focal length: 500 mm
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    Buy Levenhuk Ra 200N F4 OTA, Newtonian reflector, 200 mm, quartz-protected aluminum coating


    Levenhuk Ra 200N F4 OTA, Newtonian reflector, 200 mm, quartz-protected aluminum coating by Levenhuk, Inc.

    Levenhuk Ra 200N F4 OTA
    Newtonian telescope. Primary mirror diameter: 200 mm.


    Levenhuk Ra 200N F4 OTA has a focal length of 31.5 inches and a primary mirror diameter of 7.9 inches. The tube is designed for astrophotography but still can be successfully used for visual observations. The tube itself is made of metal that makes it sturdy and reliable.


    Levenhuk Ra 200N F4 comes with a 2'' dual-speed Crayford focuser that has known advantages: its construction makes for higher stability and the 2'' barrel diameter allows to easily attach a lot of accessories, including powerful cameras. The telescope tube is fitted with a built-in fan for cooling the primary mirror.


    The kit includes:
    - Levenhuk Ra 200N F4 optical tube
    - Finder scope
    - Finder scope base
    - Cooling fan
    - Batteries kit (6 pieces)
    - User guide and 3-year warranty



    Specifications:
    Optical design: Newtonian reflector
    Optics material: BK-7 glass
    Optical coating: quartz-protected aluminum
    Telescope tube: metal
    Primary mirror diameter (aperture), in: 7.9
    Focal length, in: 31.5
    Focal ratio: f/4
    Barrel diameter: 2", 1.25"
    Focuser: 2''dual-speed Crayford focuser
    Tube-mount assembly system: dovetail plate
    Finder scope: optical, 8x50
    Optical tube length, in: 28.3
    Optical tube diameter, in: 9.4
    Optical tube weight, lbs: 16



    Read more Levenhuk Ra 200N F4 OTA, Newtonian reflector, 200 mm, quartz-protected aluminum coating

    Levenhuk Ra 200N F4 OTA, Newtonian reflector, 200 mm, quartz-protected aluminum coating Feature

  • Newtonian telescope
  • Primary mirror diameter: 200 mm
  • Comes in a kit - see the description






  • Friday, June 14, 2013

    Best Levenhuk Ra 200N Dob Telescope, Newtonian reflector, 200 mm, dobsonian mount, with accessory kit


    Levenhuk Ra 200N Dob Telescope, Newtonian reflector, 200 mm, dobsonian mount, with accessory kit by Levenhuk, Inc.

    Levenhuk Ra 200N Dob Telescope
    Newtonian telescope. Primary mirror diameter: 200 mm. Focal length: 1200 mm.


    Levenhuk Ra 200N Dob Telescope is a Newtonian reflector on Dobsonian mount with 1200 mm (47.2 in) focal length and 200 mm (7.9 in) aperture. Even if you are just a beginner, you can easily assemble the mount of this telescope - it won't cause any troubles. The primary mirror has a reflectivity index of 94%; and all optical elements are made of top-quality BK-7 glass. Also, there is a built-in cooling fan for adapting to the outside temperature. With Levenhuk Ra 200N Dobsonian Telescope you will get everything you need for your observations; necessary accessories are included in the kit.



    Levenhuk Ra 200N Dob Telescope includes:

    - Telescope optical tube
    - Dobsonian mount
    - Plössl eyepiece (9 mm)
    - SuperView eyepiece (30 mm)
    - 8x50 finder scope
    - Finder scope base
    - Cooling fan
    - User guide and 3-year warranty



    Specifications:
    Optical design: Newtonian reflector
    Primary mirror diameter, mm: 200
    Focal length, mm: 1200
    Magnification, x: 400
    Highest practical power, x: 400
    Lowest practical power, x: 26
    Focal ratio: f/6
    Limiting stellar magnitude: 14.2
    Resolution threshold, arcseconds: 0.69
    Focuser: 2" dual-speed Crayford
    Mount type: altazimuth, Dobsonian
    Barrel diameter: 2", 1.25"
    Tube-mount assembly system: quick-release thumbscrew
    Finder scope: optical, 8x50 mm
    Eyepieces (included in the kit): 9 mm Plössl, 30 mm SuperView
    Primary mirror optics material: BK-7 glass
    Mirror shape: paraboloid
    Optical tube material: metal
    Optical tube length, in: 46.1
    Optical tube diameter, in: 9.5
    Mount dimensions, in: 19.7x23.6
    Optical tube weight, lbs: 20.7
    Mount weight, lbs: 24.6
    Total weight, lbs: 62.8



    Read more Levenhuk Ra 200N Dob Telescope, Newtonian reflector, 200 mm, dobsonian mount, with accessory kit

    Levenhuk Ra 200N Dob Telescope, Newtonian reflector, 200 mm, dobsonian mount, with accessory kit Feature

  • Newtonian telescope
  • Primary mirror diameter: 200 mm
  • Focal length: 1200 mm
  • Comes in a kit - see the description






  • Wednesday, June 12, 2013

    %$$$ Revews Levenhuk Ra 250RC F8 OTA, Ritchey-Chrétien, 250 mm, hyperboloid mirror, dielectric coating


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    Save Price Levenhuk Ra 250RC F8 OTA, Ritchey-Chrétien, 250 mm, hyperboloid mirror, dielectric coating. Buy on the merchant 's on the web looking and browse reviews. If you're attempting to locate Levenhuk Ra 250RC F8 OTA, Ritchey-Chrétien, 250 mm, hyperboloid mirror, dielectric coating with probably the most successful worth. This may be the most efficient offers for you. Where you might find these item is by online looking stores? Read the review on Levenhuk Ra 250RC F8 OTA, Ritchey-Chrétien, 250 mm, hyperboloid mirror, dielectric coating Now, it 's spacial worth. for that reason do not shed it.

    Main Features : Levenhuk Ra 250RC F8 OTA, Ritchey-Chrétien, 250 mm, hyperboloid mirror, dielectric coating

  • Ritchey-Chretien telescope
  • Objective lens diameter: 250 mm
  • Focal length: 2000 mm
  • Levenhuk Ra 250RC F8 OTA
    Ritchey-Chrétien telescope. Objective lens diameter: 250 mm. Focal length: 2000 mm



    Levenhuk Ra 250RC F8 OTA is designed specifically for astrophotography and has a focal length of 78.8 inches and an objective lens diameter of 10 inches.



    As every other Levenhuk Ra Ritchey-Chrétien telescope tube, this model has a quartz primary mirror covered with 99% reflection power dielectric coating. This model is also equipped with a dual-speed Crayford focuser that ensures high precision focusing with no backlash.



    The model comes with a built-in fan for cooling the primary mirror and has a sturdy metal shell. Another important advantage of Levenhuk Ra 250RC F8 OTA is its smaller dimensions compared to Newtonian telescopes so a smaller mount can be used.



    We recommend using the Levenhuk 0.75x focal reducer with any Ritchey-Chrétien model.



    Specifications:
    Optical design: Ritchey-Chrétien
    Mirror shape: hyperboloid
    Optics material: quartz
    Optics coating: dielectric, 99% reflectivity
    Primary mirror diameter (aperture), in: 9.8
    Focal length, in: 78.7
    Focal ratio: f/8
    Secondary mirror minor axis, in: 4.1
    Focuser: 3''dual-speed Crayford
    Tube-mount assembly system: dovetail plate
    Optical tube material: steel
    Optical tube length, in: 29
    Optical tube diameter, in: 11.8
    Optical tube weight, lbs: 35.2
    Total weight, lbs: 46.7






    Tuesday, June 11, 2013

    %$$$ Quality Levenhuk Ra 200N F4 Carbon OTA, Newtonian reflector, 200 mm, quartz-aluminum coating, carbon tube


    Save Product Available. Save Levenhuk Ra 200N F4 Carbon OTA, Newtonian reflector, 200 mm, quartz-aluminum coating, carbon tube. Compare your Save price with best online store. Choose your best product Shopping online.

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    Get Save Price Levenhuk Ra 200N F4 Carbon OTA, Newtonian reflector, 200 mm, quartz-aluminum coating, carbon tube. Get around the merchant 's on-line looking and browse testimonials. If you're trying to locate Levenhuk Ra 200N F4 Carbon OTA, Newtonian reflector, 200 mm, quartz-aluminum coating, carbon tube with the most successful worth. This could be the most productive offers for you personally. Exactly where you may locate these item is by on-line looking retailers? Read the overview on Levenhuk Ra 200N F4 Carbon OTA, Newtonian reflector, 200 mm, quartz-aluminum coating, carbon tube Now, it 's best worth. therefore do not shed it.

    Main Features : Levenhuk Ra 200N F4 Carbon OTA, Newtonian reflector, 200 mm, quartz-aluminum coating, carbon tube

  • Newtonian telescope
  • Primary mirror diameter: 200 mm
  • Levenhuk Ra 200N F4 Carbon OTA
    Newtonian telescope. Primary mirror diameter: 200 mm



    Levenhuk Ra 200N F4 Carbon OTA has a focal length of 31.5 inches and a primary mirror diameter of 7.9 inches. The tube is designed for astrophotography but still can be successfully used for visual observations.



    The main feature of this tube is the carbon-fiber-reinforced polymer used for its shell, material that makes the tube lighter and allows to decrease focal length dependency on temperature spans. This material also makes for quick recovery of the thermal equilibrium. In addition to that, Levenhuk Ra 200N F4 Carbon OTA comes with a stable 2'' dual-speed Crayford focuser and built-in fan of 3.2 inches diameter for cooling the primary mirror.



    The kit includes:
    - Levenhuk Ra 200N F4 Carbon optical tube
    - Finder scope
    - Finder scope base
    - Cooling fan
    - Batteries kit (6 pieces)
    - User guide and warranty



    Specifications:
    Optical design: Newtonian reflector
    Optics material: BK-7 glass
    Optical coating: quartz-protected aluminum
    Telescope tube: carbon
    Primary mirror diameter (aperture), in: 7.9
    Focal length, in: 31.5
    Focal ratio: f/4
    Focuser: 2'' dual-speed Crayford focuser
    Tube-mount assembly system: dovetail plate
    Finder scope: optical, 8x50
    Optical tube length, in: 30.3
    Optical tube diameter, in: 9.4
    Optical tube weight, lbs: 13.8






    Monday, June 10, 2013

    Special for Levenhuk Strike 90 PLUS Telescope, refractor, 90 mm, fully multi-coated optics, with advanced kit save


    Levenhuk Strike 90 PLUS Telescope, refractor, 90 mm, fully multi-coated optics, with advanced kit

    Levenhuk Strike 90 PLUS Telescope, refractor, 90 mm, fully multi-coated optics, with advanced kit  : image

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    Price Levenhuk Strike 90 PLUS Telescope, refractor, 90 mm, fully multi-coated optics, with advanced kit ? yes, we have information " Levenhuk Strike 90 PLUS Telescope, refractor, 90 mm, fully multi-coated optics, with advanced kit" here. You can buy Levenhuk Strike 90 PLUS Telescope, refractor, 90 mm, fully multi-coated optics, with advanced kit in online store and check price. We think you find Best buy Levenhuk Strike 90 PLUS Telescope, refractor, 90 mm, fully multi-coated optics, with advanced kit Shops & Purchase Online – Secure Check out.

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    Thanks for your visit our website. Hopefully you will satisfied with Levenhuk Strike 90 PLUS Telescope, refractor, 90 mm, fully multi-coated optics, with advanced kit. You click to Levenhuk Strike 90 PLUS Telescope, refractor, 90 mm, fully multi-coated optics, with advanced kit For Check prices here. You can Buy Levenhuk Strike 90 PLUS Telescope, refractor, 90 mm, fully multi-coated optics, with advanced kit Online Store.

    "Levenhuk Strike 90 PLUS Telescope, refractor, 90 mm, fully multi-coated optics, with advanced kit" Feature

    Levenhuk Strike 90 PLUS Telescope
    Refractor. Objective lens diameter: 90 mm. Focal length: 600 mm


    Levenhuk Strike 90 PLUS is a refractor telescope perfect for amateur astronomers with advanced requirements. With this telescope you can observe craters of the Moon, Mars landscapes, rings of Saturn, Jupiter and its satellites, and some nebulae and star clusters.
    Levenhuk is known for using high-quality fully multi-coated optics in the telescopes' construction, and Levenhuk Strike 90 PLUS is no exception. Thanks to that you can be sure that you will enjoy viewing veverything in the best quality. The optics used in this model are close to professional telescopes in quality.


    Levenhuk Strike 90 PLUS telescope comes with everything you need to get the most fascinating views and comfortable observation:

    - Telescope with azimuth mount
    - Tripod from aluminum
    - 1.25" focuser
    - Two eyepieces: H20, F6 mm
    - One zoom eyepiece 6.5-21 mm
    - Red Dot finder scope
    - Diagonal mirror
    - 3x Barlow lens

    In this kit you can also find:
    - "See it all!" astronomer's book
    - Posters (Moon, Sun and other Stars, Solar System)
    - Planisphere - a rotating star-chart
    - Stellarium - 3D planetarium software (on CD)
    - Compass
    - Levenhuk Zongo 20 Case - waterproof telescope case perfect for transportation

    User manual and 3-year warranty are also included.


    Specifications:
    Optical design: refractor
    Objective lens diameter (aperture), mm: 90
    Focal length, mm: 600
    Focal ratio: f/6.7
    Highest practical power, x: 165
    Limiting stellar magnitude: 11.87
    Resolution threshold: 1.29"
    Focuser: 1.25"
    Eyepieces diameter: 1.25"
    Eyepieces: H20, F6 mm, 6.5-21 mm
    Barlow lens: 3x
    Diagonal mirror: yes
    Finder scope: Red Dot
    Mount: AZ
    Tripod: aluminum
    Dimension, in: 32.9x16.7x8.5
    Weight, lbs: 19.8








    +++ Levenhuk Ra R80 ED Triplet OTA, apochromatic refractor, 80 mm, fully multi-coated optics save


    Levenhuk Ra R80 ED Triplet OTA, apochromatic refractor, 80 mm, fully multi-coated optics

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    Thanks for your visit our website. Hopefully you will satisfied with Levenhuk Ra R80 ED Triplet OTA, apochromatic refractor, 80 mm, fully multi-coated optics. You click to Levenhuk Ra R80 ED Triplet OTA, apochromatic refractor, 80 mm, fully multi-coated optics For Check prices here. You can Buy Levenhuk Ra R80 ED Triplet OTA, apochromatic refractor, 80 mm, fully multi-coated optics Online Store.

    "Levenhuk Ra R80 ED Triplet OTA, apochromatic refractor, 80 mm, fully multi-coated optics" Feature

    Levenhuk Ra R80 ED Triplet OTA
    Apochromatic refractor. Objective lens diameter: 80 mm.



    Levenhuk Ra R80 ED Triplet OTA has an objective lens diameter of 3.2 inches. The main features of Levenhuk Ra R80 ED Triplet OTA are a fully multi-coated three-element objective lens that makes for clear views, and a dual-speed Crayford focuser for precise focusing.


    Levenhuk Ra R80 ED Triplet OTA produces exceptionally sharp and clear images with no chromatic aberrations due to the fact that the apochromatic objective lens consists of three lenses. Other important features of this tube are compact size and sturdy and reliable metal construction that will serve you for years.


    Specifications:
    Optical design: apochromatic refractor
    Objective lens: three-element, FPL 53 glass
    Objective lens diameter (aperture), in: 3.2
    Focal ratio: f/6
    Optics material: ED glass
    Optics coating: fully multi-coated
    Tube-mount assembly system: dovetail plate
    Focuser: 2'' dual-speed Crayford focuser








    Sunday, June 9, 2013

    *** Levenhuk Ra 300N Dob Telescope, Newtonian reflector, 300 mm, dobsonian mount, with accessory kit buy


    Levenhuk Ra 300N Dob Telescope, Newtonian reflector, 300 mm, dobsonian mount, with accessory kit

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    Thanks for your visit our website. Hopefully you will satisfied with Levenhuk Ra 300N Dob Telescope, Newtonian reflector, 300 mm, dobsonian mount, with accessory kit. You click to Levenhuk Ra 300N Dob Telescope, Newtonian reflector, 300 mm, dobsonian mount, with accessory kit For Check prices here. You can Buy Levenhuk Ra 300N Dob Telescope, Newtonian reflector, 300 mm, dobsonian mount, with accessory kit Online Store.

    "Levenhuk Ra 300N Dob Telescope, Newtonian reflector, 300 mm, dobsonian mount, with accessory kit" Feature

    Levenhuk Ra 300N Dob Telescope
    Newtonian telescope. Primary mirror diameter: 300 mm. Focal length: 1520 mm.



    Levenhuk Ra 300N Dob Telescope is a Newtonian reflector on Dobsonian mount with 1520 mm (59.8 in) focal length and 300 mm (11.8 in) aperture. If you want to find a telescope that even an amateur stargazer can easily use, Levenhuk Ra 300N Dobsonian Telescope is what you are looking for! All optical elements are made of top-quality BK-7 glass and the telescope also has the built-in cooling fan for the primary mirror. This telescope comes with everything you need for your observations.



    Levenhuk Ra 300N Dob Telescope includes:

    - Telescope optical tube
    - Dobsonian mount
    - Plössl eyepiece (9 mm)
    - SuperView eyepiece (30 mm)
    - 8x50 finder scope
    - Finder scope base
    - Cooling fan
    - User guide and 3-year warranty



    Specifications:

    Optical design: Newtonian reflector
    Primary mirror diameter, mm: 300
    Focal length, mm: 1520
    Magnification, x: 600
    Highest practical power, x: 300
    Lowest practical power, x: 43
    Focal ratio: f/5
    Limiting stellar magnitude: 14.9
    Resolution threshold, arcseconds: 0.46
    Focuser: 2" dual-speed Crayford
    Mount type: altazimuth, Dobsonian
    Barrel diameter: 2", 1.25"
    Tube-mount assembly system: quick-release thumbscrew
    Finder scope: optical, 8x50 mm
    Eyepieces (included in the kit): 9 mm Plössl, 30 mm SuperView
    Primary mirror optics material: BK-7 glass
    Mirror shape: paraboloid
    Optical tube material: metal
    Optical tube length, in: 53.9
    Optical tube diameter, in: 14.2
    Mount dimensions, in: 24.8 x 25.1
    Optical tube weight, lbs: 46.3
    Mount weight, lbs: 29.7
    Total weight, lbs: 94.8








    Saturday, June 8, 2013

    %$$$ Quality Levenhuk Ra R66 ED Doublet Carbon OTA, apochromatic refractor, 66 mm, carbon tube, case


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    Main Features : Levenhuk Ra R66 ED Doublet Carbon OTA, apochromatic refractor, 66 mm, carbon tube, case

  • Apochromatic refractor
  • Objective lens diameter: 66 mm
  • Focal length: 400 mm
  • Levenhuk Ra R66 ED Doublet Carbon OTA
    Apochromatic refractor. Objective lens diameter: 66 mm. Focal length: 400 mm



    Levenhuk Ra R66 ED Doublet Carbon OTA has a focal length of 15.7 inches and an objective lens diameter of 2.4 inches.


    The main features of Levenhuk Ra R66 ED Doublet Carbon OTA are a fully multi-coated two-element objective lens that makes for high-quality views, and a carbon-fiber-reinforced polymer shell that makes the tube lighter and allows it to quickly recover thermodynamic equilibrium.


    Levenhuk Ra R66 ED Doublet Carbon OTA comes with a reliable aluminum case - you can easily transport and store your refractor without any fear of damaging it.


    Thanks to the retractable dew cap, your instrument will be protected from humidity and always ready when you are.


    It has a standard 1.25" barrel diameter so you will be able to use it with eyepieces from different manufacturers.



    Specifications:
    Optical design: apochromatic refractor
    Objective lens: two-element
    Objective lens diameter (aperture), in: 2.4
    Focal length, in: 15.7
    Focal ratio: f/6
    Optics material: ED glass
    Optics coating: fully multi-coated
    Barrel diameter: 1.25"
    Optical tube material: carbon
    Focuser: 2" dual-speed Crayford
    Tube-mount assembly system: quick-release thumbscrew
    Optical tube length, in: 12.2
    Optical tube diameter, in: 3.2
    Optical tube weight, lbs: 3.8






    Wednesday, June 5, 2013

    ****** Levenhuk Strike 50 NG Telescope, achromatic refractor, 50 mm, with advanced kit


    Shop for save price Levenhuk Strike 50 NG Telescope, achromatic refractor, 50 mm, with advanced kit.Save and Options of Levenhuk Strike 50 NG Telescope, achromatic refractor, 50 mm, with advanced kit from variety stores in usa. 2013.

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    Levenhuk Strike 50 NG Telescope, achromatic refractor, 50 mm, with advanced kit Description

  • Achromatic refractor
  • Objective lens diameter: 50 mm
  • Focal length: 600 mm
  • Comes in a kit - see the description
  • Levenhuk Strike 50 NG Telescope
    Achromatic refractor. Objective lens diameter: 50 mm. Focal length: 600 mm

    Levenhuk Strike 50 NG is an amazing telescope for children. It comes with everything needed for perfect observation of the Moon, Solar System planets, constellations and other fascinating objects on the celestial sphere.
    Due to 200x practical power Levenhuk Strike 50 NG Telescope can be used not only for studying the celestial sphere but also for terrestrial observations.
    The key feature of the Levenhuk Strike 50 NG is that it was designed specifically for children and beginners. Since it won't take a lot of time to make the telescope work, it can be used right away and doesn't require difficult settings and adjustments.
    Levenhuk Strike 50 NG Telescope with all the accessories and needed supporting materials is packed in the colorful box and can be a gift that will exceed all expectations.


    Levenhuk Strike 50 NG telescope kit includes:
    - Telescope
    - Easy set up altazimuth yoke mount
    - Stainless-steel tripod
    - 0.965" focuser
    - Two eyepieces: F20 mm, F6 mm
    - 3x20 finder scope
    - Diagonal mirror
    - 3x Barlow lens

    Also you can find:
    - "See it all!" astronomer's book
    - Posters (Moon, Sun and other Stars, Solar System)
    - Planisphere - a rotating star-chart
    - Stellarium - 3D planetarium software (on CD)
    - Compass

    User manual and 3-year warranty are also included in the kit.


    Specifications:
    Optical design: achromatic refractor
    Objective lens diameter (aperture), mm: 50
    Focal length, mm: 600
    Focal ratio: f/12.0
    Highest practical power, x: 200
    Limiting stellar magnitude: 10.6
    Resolution threshold: 2.8"
    Focuser: 0.965" rotating 360°
    Eyepieces diameter: 0.965"
    Eyepieces: F20 mm, F6 mm
    Finder scope: 3x20
    Mount: Yoke
    Tripod: stainless steel
    Tripod height (adjustable), in: 24.8-42.52






    Monday, June 3, 2013

    $$$$$ Revews Levenhuk Ra 200RC F8 Carbon OTA, Ritchey-Chrétien, 200 mm, dielectric coating, carbon tube


    Shop for save price Levenhuk Ra 200RC F8 Carbon OTA, Ritchey-Chrétien, 200 mm, dielectric coating, carbon tube.Save and Options of Levenhuk Ra 200RC F8 Carbon OTA, Ritchey-Chrétien, 200 mm, dielectric coating, carbon tube from variety stores in usa. 2013.

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    Levenhuk Ra 200RC F8 Carbon OTA, Ritchey-Chrétien, 200 mm, dielectric coating, carbon tube Description

  • Ritchey-Chretien telescope
  • Objective lens diameter: 200 mm
  • Focal length: 1600 mm
  • Levenhuk Ra 200RC F8 Carbon OTA
    Ritchey-Chrétien. Objective lens diameter: 200 mm. Focal length: 1600 mm



    Levenhuk Ra 200RC F8 Carbon OTA is designed specifically for astrophotography and has a focal length of 63.9 inches and an objective lens diameter of 8 inches. The main feature of this tube is its shell made of carbon-fiber-reinforced polymer, material that makes the tube lighter and allows decreasing focal length dependency on temperature spans. This material also makes for quick recovery of the thermal equilibrium due to its low coefficient of thermal expansion and high thermal conduction.



    As every other Levenhuk Ra Ritchey-Chrétien telescope tube, this model has a quartz primary mirror covered with 99% reflection power dielectric coating. This model is also equipped with a dual-speed Crayford focuser that ensures high precision focusing with no backlash.



    The model comes with a built-in fan for cooling the primary mirror. Another important advantage of Levenhuk Ra 200RC F8 Carbon OTA compared to Newtonian telescopes is its smaller dimensions so a smaller mount can be used.



    We recommend using the Levenhuk 0.75x focal reducer with any Ritchey-Chrétien model.



    Specifications:
    Optical design: Ritchey-Chrétien
    Mirror shape: hyperboloid
    Optics material: BK-7 glass
    Optics coating: dielectric, 99% reflectivity
    Primary mirror diameter (aperture), in: 7.9
    Focal length, in: 63
    Focal ratio: f/8
    Secondary mirror minor axis, in: 3.5
    Focuser: 2''dual-speed Crayford
    Tube-mount assembly system: dovetail plate
    Optical tube material: carbon
    Optical tube length, in: 18.7
    Optical tube diameter, in: 9
    Optical tube weight, lbs: 16.3
    Total weight, lbs: 22.9






    Sunday, June 2, 2013

    %$$$ Revews Levenhuk Ra R102 ED Triplet OTA, apochromatic refractor, 120 mm, fully multi-coated optics


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    Best Reviews Levenhuk Ra R102 ED Triplet OTA, apochromatic refractor, 120 mm, fully multi-coated optics. Purchase around the merchant 's on the web looking and browse testimonials. If you're attempting to find Levenhuk Ra R102 ED Triplet OTA, apochromatic refractor, 120 mm, fully multi-coated optics with one of the most effective worth. This could be the most effective deals for you personally. Exactly where you may locate these item is by on-line searching stores? Read the review on Levenhuk Ra R102 ED Triplet OTA, apochromatic refractor, 120 mm, fully multi-coated optics Now, it 's best worth. as a result don't shed it.

    Main Features : Levenhuk Ra R102 ED Triplet OTA, apochromatic refractor, 120 mm, fully multi-coated optics

  • Apochromatic refractor
  • Objective lens diameter: 120 mm
  • Levenhuk Ra R102 ED Triplet OTA
    Apochromatic refractor. Objective lens diameter: 120 mm.



    Levenhuk Ra R102 ED Triplet OTA is a telescope tube designed for astronomical observations. The tube has an objective lens of 4-inches diameter and contains three fully multi-coated ED glass lenses, so Levenhuk Ra R102 ED Triplet OTA provides high-quality clear views.


    Levenhuk Ra R102 ED Triplet OTA is equipped with a dual-speed Crawford focuser that ensures high precision focusing with no backlash. Thanks to its metal construction, this model is very sturdy and reliable and will stay in great condition for decades.



    Specifications:
    Optical design: apochromatic refractor
    Objective lens: three-element, FPL 53 glass
    Objective lens diameter (aperture), in: 4
    Focal length, in: 28.1
    Focal ratio: f/7
    Optics material: ED glass
    Optics coating: fully multi-coated
    Optical tube material: metal
    Focuser: 3'' dual-speed Crayford focuser
    Tube-mount assembly system: dovetail plate
    Optical tube dimensions, in: 24x30
    Optical tube diameter, in: 5
    Optical tube weight, lbs: 12.5






    Saturday, June 1, 2013

    %$$$ Save Levenhuk Ra 250N F4 OTA, Newtonian reflector, 250 mm, quartz-protected aluminum coating


    Buy Levenhuk Ra 250N F4 OTA, Newtonian reflector, 250 mm, quartz-protected aluminum coating

    Most of the patron reviews inform that the Levenhuk Ra 250N F4 OTA, Newtonian reflector, 250 mm, quartz-protected aluminum coating from Publisher ,are quality product. It could be a pretty great product for the value. You can scan overview from consumers to find out additional from their past experiences. The customers feedback will give you a nice suggestion of the price and nice satisfaction of the products.

    All in all, we are actually suggest Levenhuk Ra 250N F4 OTA, Newtonian reflector, 250 mm, quartz-protected aluminum coating fou you. This on-line sellers provide the best and save price value which included super save shipping (in U.S.A. only). Reading opinions provides you using a a lot of fuller details on the cons and pros of the Levenhuk Ra 250N F4 OTA, Newtonian reflector, 250 mm, quartz-protected aluminum coating.


    Levenhuk Ra 250N F4 OTA
    Newtonian telescope. Primary mirror diameter: 250 mm.



    Levenhuk Ra 250N F4 OTA has a focal length of 39.4 inches and a primary mirror diameter of 9.9 inches. The tube is designed for astrophotography but still can be successfully used for visual observations. The telescope tube is made of metal that makes it sturdy, reliable and long lasting.



    Levenhuk Ra 250N F4 comes with a 3'' dual-speed Crayford focuser that makes for higher stability and the 3'' barrel diameter allows to easily attach a lot of accessories including more powerful cameras. The telescope tube is fitted with a built-in fan for cooling the primary mirror.



    The kit includes:
    - Levenhuk Ra 250N F4 optical tube
    - Finder scope
    - Finder scope base
    - Cooling fan
    - Batteries kit (6 pieces)
    - User guide and 3-year warranty



    Specifications
    Optical design: Newtonian reflector
    Optics material: BK-7 glass
    Optical coating: quartz-protected aluminum
    Telescope tube: metal
    Primary mirror diameter (aperture), in: 9.8
    Focal length, in: 39.4
    Focal ratio: f/4
    Barrel diameter: 2", 1.25"
    Focuser: 2" dual-speed Crayford focuser
    Tube-mount assembly system: dovetail plate
    Finder scope: optical, 8x50
    Optical tube length, in: 38.6
    Optical tube diameter, in: 12.2
    Optical tube weight, lbs: 29.3



    Levenhuk Ra 250N F4 OTA, Newtonian reflector, 250 mm, quartz-protected aluminum coating Feature

  • Newtonian telescope
  • Primary mirror diameter: 250 mm
  • Comes in a kit - see the description
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    Sunday, May 26, 2013

    ##### Buy Levenhuk Ra R115 ED Triplet OTA, apochromatic refractor, 115 mm, fully multi-coated optics


    Shop for Best Levenhuk Ra R115 ED Triplet OTA, apochromatic refractor, 115 mm, fully multi-coated optics.Compare Price and Options of Levenhuk Ra R115 ED Triplet OTA, apochromatic refractor, 115 mm, fully multi-coated optics from variety stores in usa. .

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    Levenhuk Ra R115 ED Triplet OTA, apochromatic refractor, 115 mm, fully multi-coated optics Description

  • Apochromatic refractor
  • Objective lens diameter: 115 mm
  • Levenhuk Ra R115 ED Triplet OTA
    Apochromatic refractor. Objective lens diameter: 115 mm.



    Levenhuk Ra R115 ED Triplet OTA is a perfect choice for serious astronomical observations. The tube has an objective lens diameter of 4.5 inches. The three multi-coated lenses of the tube's objective lens are made of ED glass and provide clear high-quality views with no chromatic aberrations.


    Levenhuk Ra R115 ED Triplet OTA is equipped with a dual-speed Crawford focuser that ensures high precision focusing with no backlash. Thanks to its metal construction, this model is very sturdy and reliable and will stay in great condition for decades.



    Specifications:
    Optical design: apochromatic refractor
    Objective lens: three-element, FK61 glass
    Objective lens diameter (aperture), in: 4.5
    Focal length, in: 31.7
    Focal ratio: f/7
    Optics material: ED glass
    Optics coating: fully multi-coated
    Optical tube material: metal
    Focuser: 3'' dual-speed Crayford focuser
    Tube-mount assembly system: dovetail plate
    Optical tube dimensions, in: 28.5x34.5
    Optical tube diameter, in: 5.7
    Optical tube weight, lbs: 15.8






    Thursday, May 23, 2013

    Best Levenhuk Strike 135 PLUS Telescope, Newtonian, 135 mm, fully multi-coated optics, with advanced kit


    Levenhuk Strike 135 PLUS Telescope, Newtonian, 135 mm, fully multi-coated optics, with advanced kit by Levenhuk, Inc.

    Levenhuk Strike 135 PLUS Telescope
    Newtonian telescope. Objective lens diameter: 135 mm. Focal length: 900 mm


    Levenhuk Strike 135 PLUS is the perfect Newtonian telescope for advanced users. This model allows an observer to see not only the Solar System planets with their moons, but also peek into the deep sky to witness nebulas, star clusters and other wonders of outside the Solar System. This wide range of available objects for deep sky observation is achievable due to the 3.5-inches objective lens of the Levenhuk Strike 135 PLUS Telescope. The high quality of the telescope optics provides clear views of observed objects without aberrations and gets this model even closer to the professional telescopes.



    The kit includes:
    - Telescope on a German equatorial mount
    - Steel tripod
    - Steel focuser 1.25"
    - Eyepieces: KF 25, PL 10 mm
    - Zoom eyepiece 7.5-22 mm
    - 2x Barlow lens
    - Finder scope: Red Dot
    - "See it all!" astonomer's book
    - Posters (Moon, Sun and Other Stars, Solar System)
    - Planisphere - a rotating star-chart
    - Stellarium - 3D planetarium software (on CD)
    - Compass
    - Levenhuk Zongo 40 Case - waterproof telescope case perfect for transportation

    User manual and 3-year warranty are also included.


    Specifications:
    Optical design: Newtonian telescope
    Objective lens diameter (aperture), mm: 135
    Focal length, mm: 900
    Focal ratio: f/6.7
    Highest practical power, x: 372
    Limiting stellar magnitude: 12.75
    Resolution threshold: 0.86"
    Focuser: 1.25", steel
    Eyepieces diameter: 1.25"
    Eyepieces: KF 25, PL 10 mm, 7.5-22 mm
    Barlow lens: 2x
    Diagonal mirror: no
    Finder scope: Red Dot
    Mount: German equatorial
    Tripod: steel
    Dimension, in: 38x19x12.8
    Weight, lbs: 32



    Read more Levenhuk Strike 135 PLUS Telescope, Newtonian, 135 mm, fully multi-coated optics, with advanced kit

    Levenhuk Strike 135 PLUS Telescope, Newtonian, 135 mm, fully multi-coated optics, with advanced kit Feature

  • Newtonian telescope
  • Objective lens diameter: 135 mm
  • Focal length: 900 mm
  • Comes in a kit - see the description






  • Wednesday, May 22, 2013

    Levenhuk Ra 200N F5 OTA, Newtonian reflector, 200 mm, quartz-protected aluminum coating Shopping


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    Levenhuk Ra 200N F5 OTA
    Newtonian telescope. Primary mirror diameter: 200 mm.


    Levenhuk Ra 200N F5 OTA has a focal length of 39.4 inches and a primary mirror diameter of 7.9 inches. This tube is a good choice not just for astronomical observations but also for astrophotography. Pyrex glass used for manufacturing the tube's mirrors has low ratio of the degree of expansion to the change in temperature. The mirrors' reflective layer is fully multi-coated and covered with silicon dioxide sputtering to protect it from external conditions.


    Sturdy and reliable metal construction of the telescope tube ensures that Levenhuk Ra 200N F5 OTA will serve you for a long period of time.


    Levenhuk Ra 200N F5 OTA comes with a precise dual-speed Crayford focuser and a built-in fan of 3.2 inches diameter for cooling the primary mirror.


    The kit includes:
    - Levenhuk Ra 200N F5 optical tube
    - Finder scope
    - Finder scope base
    - Cooling fan
    - Batteries kit (6 pieces)
    - User guide and 3-year warranty



    Specifications:

    Optical design: Newtonian reflector

    Optics material: BK-7 glass

    Optical coating: quartz-protected aluminum

    Telescope tube: metal

    Primary mirror diameter (aperture), in: 7.9

    Focal length, in: 39.4

    Focal ratio: f/5

    Barrel diameter: 2", 1.25"

    Focuser: 2" dual-speed Crayford

    Tube-mount assembly system: dovetail plate

    Finder scope: optical, 8x50

    Optical tube length, in: 37

    Optical tube diameter, in: 9.4

    Optical tube weight, lbs: 18.2



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    Levenhuk Ra 200N F5 OTA, Newtonian reflector, 200 mm, quartz-protected aluminum coating Feature

  • Newtonian telescope
  • Primary mirror diameter: 200 mm
  • Comes in a kit - see the description





  • Tuesday, May 21, 2013

    *** Levenhuk Ra R110 ED Doublet OTA, apochromatic refractor, 110 mm, fully multi-coated optics, case buy


    Levenhuk Ra R110 ED Doublet OTA, apochromatic refractor, 110 mm, fully multi-coated optics, case

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    "Levenhuk Ra R110 ED Doublet OTA, apochromatic refractor, 110 mm, fully multi-coated optics, case" Feature

    Levenhuk Ra R110 ED Doublet OTA
    Refractor. Objective lens diameter: 110 mm


    Levenhuk Ra R110 ED Doublet OTA is a high-quality professional refractor with an object lens diameter of 4.3 inches. Its objective lens, due to fully multi-coated coating provides sharp clear views with no chromatic aberrations.


    Levenhuk Ra R110 ED Doublet OTA is made of aluminum so it is sturdy and lightweight. The optical tube has a dovetail mounting bracket that makes it is easy to assemble in just a few minutes. Moreover, the instrument is equipped with a retractable dew cap that will protect the objective lens from fogging.


    With Levenhuk Ra R110 ED Doublet OTA you will also get a sturdy aluminum case -a great addition that lets you store and transport your instrument with ease.



    Specifications:
    Optical design: apochromatic refractor
    Objective lens: two-element, FPL 53 glass
    Objective lens diameter (aperture), in: 4.3
    Focal length, in: 30.3
    Focal ratio: f/7
    Optics material: ED glass
    Optics coating: fully multi-coated
    Optical tube material: metal
    Focuser: 3" dual-speed Crayford
    Tube-mount assembly system: dovetail plate
    Optical tube dimensions, in: 25.5x33
    Optical tube diameter, in: 5.7
    Optical tube weight, lbs: 12.2








    Monday, May 20, 2013

    Levenhuk Ra R72 ED Doublet OTA, apochromatic refractor, 72 mm, fully multi-coated optics, case Shopping


    Best Review Levenhuk Ra R72 ED Doublet OTA, apochromatic refractor, 72 mm, fully multi-coated optics, case

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    Levenhuk Ra R72 ED Doublet OTA
    Refractor. Objective lens diameter: 72 mm. Focal length: 432 mm.



    Levenhuk Ra R72 ED Doublet OTA has a focal length of 17 inches and an objective lens diameter of 2.8 inches, which allow using the tube for observation of the Moon craters, Saturn rings and other astronomical objects.



    The main feature of Levenhuk Ra R72 ED Doublet OTA is fully multi-coated optics which makes for high-quality views.


    There are also some important features that make the tube reliable and allow using it comfortably: compact size, dew cap, aluminum case, stylish glossy design, and a standard 1.25" barrel diameter that means you won't have any problems with choosing accessories for the tube.


    With Levenhuk Ra R72 ED Doublet OTA you will get a sturdy aluminum case that will help you protect your instrument during transportation.



    Specifications:
    Optical design: apochromatic refractor
    Objective lens: two-element
    Optics material: ED glass
    Optics coating: fully multi-coated
    Objective lens diameter, in: 2.8
    Focal length, in: 17
    Focal ratio: f/6
    Barrel diameter: 1.25"
    Optical tube material: metal
    Focuser: 2" dual-speed Crayford
    Tube-mount assembly system: quick-release thumbscrew
    Optical tube length, in: 12.2
    Optical tube diameter, in: 3.6
    Optical tube weight, lbs: 5.1



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    Levenhuk Ra R72 ED Doublet OTA, apochromatic refractor, 72 mm, fully multi-coated optics, case Feature

  • Refractor
  • Objective lens diameter: 72 mm
  • Focal length: 432 mm