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

aim your lens or telescope at a bright star and manually adjust the focus of your lens or telescope until it looks close to focus

It's lightweight and easy to use

adjustable

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