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Ships within 48 hours · Estimated delivery Aug 30 - Sep 4
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
220 - 270 mm
Don't miss another clear night
Laser Precise Focus at Night
Get perfect focus on the stars and planets with a laser-etched batinov mask
Large Bahtinov Focus Tool for 10 inch Telescopes astrophotography aim your lens or telescopeShow 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
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