Large Bahtinov Focus Tool for 10 inch Telescopes astrophotography Get perfect focus on the

Get perfect focus on the stars and planets with a laser-etched batinov mask

Don't miss another clear night

Clips to the Exterior of the Telescope

It's perfect for amateur astronomers and astrophotographers who need a reliable bahtinov filter that can stand up to the elements and still deliver a superior viewing experience

Large Bahtinov Focus Tool for 10 inch Telescopes astrophotography Get perfect focus on theShow some love for the big boys! So you've got a 10 inch telescope? Nice, man. You're gonna need a big bahtinov for that. We got you covered. 10 inch Bahtinov Focus Masks for Large Telescopes. Never worry about blurry stars again. Get perfect focus for astrophotography every time with a bahtinov mask. Bahtinov Focus Tool for Telescopes with a front, exterior diameter of 250 270mm. Place the Bahtinov Focus Mask over the end of your telescope, then