About this product
Part Number: bm-ds-gr-90
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.
|Average Rating (1 Review): |Willaim Optics Bhatinov Mask diameter 172-235 mm
Monday, 31 August 2020 | Prateep
Good Product, Good Packing, Fast Shipping, A++++++
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