Collimator 

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  GSO 2" 35mm self-centering...

  $ 26 In Stock

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  35mm self-centering extension tube 2”-FF683

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  NightSky 240mm Bahtinov Focusing...

  $ 35 In Stock

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  NightSky Bahtinov Focusing Mask for Telescopes 240mm for More Precise and Faster FocusingAll Metal Construction. Anodizing Aluminium ProcessThe Bahtinov Mask Made of Metal, not plastic And it has whole anodizing aluminium process. 

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  GSO 1.25" Collimator Dust Cap

  $ 3 In Stock

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  Used for collimating Newtonian telescopes Fits 1.25" focusers

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  NightSky 220mm Bahtinov Focusing...

  $ 30 In Stock

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  NightSky Bahtinov Focusing Mask for Telescopes 220mm for More Precise and Faster FocusingAll Metal Construction, Anodizing Aluminium ProcessThe Bahtinov Mask Made of Metal, not plastic And it has whole anodizing aluminium process. 

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  NightSky 340mm Bahtinov Focusing...

  $ 45 In Stock

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  NightSky Bahtinov Focusing Mask for Telescopes 340mm for More Precise and Faster FocusingAll Metal Construction. Anodizing Aluminium ProcessThe Bahtinov Mask Made of Metal, not plastic.And it has whole anodizing aluminium process. 

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  NightSky 260mm Bahtinov Focus...

  $ 21 In Stock

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  NightSky Bahtinov Mask for 260mm Outside Diameter Tubes

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  NightSky 295mm Bahtinov Focus...

  $ 28 In Stock

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  NightSky Bahtinov Mask for 295mm Outside Diameter Tubes

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  NightSky 340mm Bahtinov Focus...

  $ 41 In Stock

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  NightSky Bahtinov Mask for 340mm Outside Diameter Tubes

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  NightSky 150mm Bahtinov Focus...

  $ 21 In Stock

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  NightSky Bahtinov Mask for 150mm Outside Diameter Tubes

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  NightSky 130mm Bahtinov Focus...

  $ 15 In Stock

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  NightSky Bahtinov Mask for 130mm Outside Diameter Tubes

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  GSO Laser Collimator III

  $ 55 Out of stock

  Out of stock

  An essential tool for collimation Of Newtonian Telescope in order to achieve a High Quality Image

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  NightSky 100 mm Bahtinov Mask

  $ 18 Out of stock

  Out of stock

  NightSky 100mm Bahtinov Mask for Telescopes – All Metal Construction The Bahtinov Mask manufactured from Metal, not plastic and possesses whole anodizing aluminium procedure. 3 x Screw kit

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