Aluminum Bahtinov Focus Tool for Small Telescopes Small This inexpensive tool creates predictable

This inexpensive tool creates predictable diffraction spikes in your image

Don't miss another clear night

beautiful photons

Lightweight

Aluminum Bahtinov Focus Tool for Small Telescopes Small This inexpensive tool creates predictableWhy are my stars so blurry?? After a long night taking pictures of the sky, nothing is worse than reviewing your images and finding that your stars were just barely out of focus. Maybe it looked right in the live view screen, but once they're imported to the computer, the fuzzy stars stand out like trophies of a wasted night. We've all been there. But it doesn't have to happen again The Bahtinov Mask is your answer. This inexpensive tool creates