Top 9 Bahtinov Focus Mask – Telescope Dew Caps

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1. Gosky

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Gosky Bahtinov Focusing Mask for for Telescopes Dew Shield or Front End Diameter from 115-165mm 4.5in-6.5in -for 127mm Celestron or Skywatcher Maksutovs,celestron 5 Se,meade127 Ed Apo,etc

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Gosky #ad - Watch the two slanted areas create an "X" over the star. Suitable for telescopes dew shield or front outer diameter front end diameter From 115-165mm 4.

5in-6. 5in - for 127mm celestron or skywatcher Maksutovs, Meade 127 ED APO, Celestron 5 SE Etc. Bahtinov masks make focusing for astrophotography an easy task. The vertical slits create a moving bar that is centered on the X when you are at focus. The mask attaches securely to your scope using brass screws with soft transparent nylon cover to ensure the finish of your telescope is protected. It will take less time to achieve perfect focus with your new mask which mean you spend more time imaging photons rather than focusing them. Light weight so you wont upset the balance on your scope.
BrandGosky #ad
ManufacturerGosky #ad
Part NumberQHAI0310
ModelQHAI0310
Warranty1 YEAR

2. Astromania

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FM200mm for a Tube Outer Diameter OD from 215mm-260mm, Astromania Bahtinov Mask Focusing Mask for Telescopes, can be Mounted with The Brass Screws Inside or Outside The drawtube

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Astromania #ad - They are made from precision laser cut enforced plexiglass, Dobsonians, rafractors, unlike some other masks which are made from normal plastics. All you need to do is to measure your telescope tube size and choose the right size of the mask contact us if you are not sure where to measure.

Bahtinov masks take the guesswork out of focusing and even get over the seeing conditions as it is a mathematical type approach to the task. The best focus for your telescope quickly and easily. They are made from 2mm thick laser cut plexiglass and the securing screws are capped with soft plastic so that they do not damage your telescope. These high quality bahtinov masks are adjustable to fit a wide range of optical tubes, unlike masks which are only able to fit one telescope. Please be assured that these focusing masks will work excellently for both reflectors and refractors with whatever focal length.

Because of this 3-post mounting, the mask remains centered, whilst fitting a wider range of telescopes. Suitable for use on all types of telescope - reflectors, which is stiff and long lasting. This prevents slippage, whilst allowing the mask to remaining perfectly central. They have adjustment latitude of about 215-260mm, depending on model, in aperture making them very versatile. They will never be brittle in the cold, Mak-Cas and SCTs.
BrandAstromania #ad
ManufacturerAstromania #ad
Height0.12 Inches
Length5.12 Inches
Width5.12 Inches
Part NumberSKU_AM_BFM200
ModelSKU_AM_BFM200

3. MEOPTEX

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MEOPTEX Bahtinov Mask Focusing Mask for Telescopes For Outer Diameter from 150mm-200mm

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MEOPTEX #ad - They will never be brittle in the cold, rafractors, unlike some other masks which are made from normal plastics. They are made from 2mm thick laser cut plexiglass and the securing screws are capped with soft plastic so that they do not damage your telescope. These high quality bahtinov masks are adjustable to fit a wide range of optical tubes, depending on model, unlike masks which are only able to fit one telescope.

Bahtinov masks take the guesswork out of focusing and even get over the seeing conditions as it is a mathematical type approach to the task. The best focus for your telescope quickly and easily. The masks grip the telescope tube gently but firmly with three metal posts which have non-scratching silicon sleeves to protect you valued telescope surface. All you need to do is to measure your telescope tube size and choose the right size of the mask contact us if you are not sure where to measure.

This prevents slippage, whilst allowing the mask to remaining perfectly central. They are made from precision laser cut enforced plexiglass, which is stiff and long lasting. Suitable for use on all types of telescope - reflectors, dobsonians, Mak-Cas and SCTs. Because of this 3-post mounting, the mask remains centered, whilst fitting a wider range of telescopes. Please be assured that these focusing masks will work excellently for both reflectors and refractors with whatever focal length.
BrandMEOPTEX #ad
ManufacturerMEOPTEX #ad
Part Number5263470047
Model903491

4. SOLOMARK

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Solomark Bahtinov Focus Mask for Telescopes 80mm-Suitable for 80mm Diameter Telescope

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SOLOMARK #ad - Masks now feature 3 holes which can be attached with 3 screws to prevent the mask from falling all the way to the ground. Light weight so you wont upset the balance on your scope. It will take less than 1 minute to achieve perfect focus with your new mask and will mean you spend more time imaging photons rather than focusing them. Bahtinov focus mask for telescope 80mm.
BrandSOLOMARK #ad
ManufacturerSOLOMARK #ad
Height2.5 Inches
Length8.9 Inches
Weight0.02 Pounds
Width5.4 Inches
Part NumberQHAI023

5. SVBONY

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SVBONY Bahtinov Mask Focusing Mask Aluminum Alloy Telescope Focusing Mask 170 to 240mm Caliber Fixed Diameter 175 to 220mm175-220mm

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SVBONY #ad - With 3 fixing screws;masks now feature 3 holes which can be attached with 3 screws to prevent the mask from falling all the way to the ground;They have non-scratching silicon sleeves to protect you valued telescope surface.

Ultra thin; svbony bahtinov Mask is Light weight so you wont upset the balance on your scope. Svbony bahtinov mask's effect; perfect focusing for your CCD DSLR or Webcam in seconds; The great focus for your telescope quickly and easily. Suitable for telescopes front end diameter 175mm to 220mm; Universal adaptation; 3 bolts with plastic cover allow the mask to be simply attached to any telescope. Hard aluminum alloy; svbony bahtinov Mask is made of aluminum alloy; not plastic; And it has whole anodizing aluminium process.
BrandSVBONY #ad
ManufacturerSVBONY #ad
Height0.39 Inches
Length9.44 Inches
Width9.44 Inches
Part NumberFW2381AE

6. FarPoint Astro

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FP410HT, Tri-Bahtinov Focus Mask for Celestron 8″ SCT with Hyperstar or Fastar

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FarPoint Astro #ad - Made in the uSA by Farpoint Astro. Simply place the Bahtinov Focus Mask over the end of your telescope.
BrandFarPoint Astro #ad
ManufacturerFarpoint Astronomical Research #ad
Part NumberFP410HT

7. Farpoint Astro

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FP439, 58mm DSLR Camera Filter unmounted Bahtinov Mask

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Farpoint Astro #ad - Bahtinov focusing mask for DSLR Camera Lenses with 58mm filter threads. Works with all DSLR cameras. Best for focal lengths greater than 100mm. Made in the uSA by Farpoint Astro. Snaps into a uv or skylight filter NOT INCLUDED.
BrandFarpoint Astro #ad
ManufacturerFarpoint Astronomical Research #ad
Part NumberFP439
ModelFP439

8. SOLOMARK

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Solomark Bahtinov Focus Mask for Telescopes 100mm-suitable for 100mm Diameter Telescope

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SOLOMARK #ad - Masks now feature 3 holes which can be attached with 3 screws to prevent the mask from falling all the way to the ground. Bahtinov focus mask for telescope 100mm. Light weight so you wont upset the balance on your scope. It will take less than 1 minute to achieve perfect focus with your new mask and will mean you spend more time imaging photons rather than focusing them.
BrandSOLOMARK #ad
ManufacturerSOLOMARK #ad
Part NumberQHAI023

9. Farpoint

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Farpoint FP401 Bahtinov Focus Mask for Telescopes with Dew Shield or Front End Diameter from 3.5" to 6.5"

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Farpoint #ad - Fits telescopes with dew shield or tube diameter from 3. 5" to 6. 5" diameter. Bahtinov focus mask for small to medium telescopes.
BrandFarpoint #ad
ManufacturerFarpoint #ad
Height1 Inches
Length5 Inches
Width5 Inches
Part NumberFP401
ModelFP401