William Optics

Diffraction Spikes Bahtinov Focusing Mask for Telescopes Dew Shield Diameter From 172mm -235mm

(No reviews yet) Write a Review
Your Price: $97.99
SKU:
BM-DS-GR90
Adding to cart… The item has been added

Product Overview

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.

For dewshields 172mm -235mm

Reviews

(No reviews yet) Write a Review