William Optics Bahtinov Mask for Dew Shield ~diameter 105mm to 148mm
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William Optics Bahtinov Mask for Dew Shield ~diameter 105mm to 148mm

£43.00
  (2 Reviews)
✓ 2 year warranty

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2x in stock shipped 1-2 working days
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About this product

Model:  wo-bm-ds-gr55
Part Number:  bm-ds-gr-55

New William Optics bahtinov focusing mask made of acrylic sheet which maximises light transmission for ease of use.

The new Optical acrylic sheet offers 92% of light transmission that gave you the highest and brightest diffraction Spikes for Focusing !

It’s approx 3 times brighter than a traditional metal mask.

Customer reviews

Average Rating (2 Reviews):  
Write a Review and share your opinions!
Rating (max 5):  
Excellent Bahtinov Mask
08 December 2021  | 

Got one of these to use with my Stellamira 90mm Triplet. It comes really well packaged, easy to assemble and fit's really well on the scope. Gives excellent diffraction spikes.

Rating (max 5):  
William Optics Bhatinov Mask for Dew Shield ~diameter 105mm to 148mm
19 March 2020  | 

Brilliant piece of kit.
Much better than a standard mask.
Large and brighter defraction spikes make focusing simple.

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