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Diffraction Spikes Bahtinov Focusing Mask for Telescopes Dew Shield Diameter From 75mm -110mm

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.

Out of stock
SKU
BM-DS-GR45
$49.00
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You're reviewing:Diffraction Spikes Bahtinov Focusing Mask for Telescopes Dew Shield Diameter From 75mm -110mm