Brand: William Optics

William Optics Diffraction Spikes Bahtinov Focusing Mask for Telescopes Dew Shield (BM-DS-GR)

Brand: William Optics

William Optics Diffraction Spikes Bahtinov Focusing Mask for Telescopes Dew Shield (BM-DS-GR)

Special Order
$48.00 USD

Diameter Range Option

75mm-110mm (BM-DS-GR45) 243mm-308mm (BM-DS-GR150) 105mm-148mm (BM-DS-GR55) 172mm-235mm (BM-DS-GR90)

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How do I Special Order?
Special Order
$48.00 USD

Easy Payment Options with .

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Product Description

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

It’s about 3 times brighter than traditional metal type.

Traditional Metal vs Optical Sheet

William Optics Diffraction Spikes Bahtinov Focusing Mask for Telescopes Dew Shield - Traditional Metal vs Optical Sheet

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