Large Bahtinov Focus Tool for 10 inch Telescopes astrophotography 220 - 270 mm

220 - 270 mm

Clips to the Exterior of the Telescope

adjustable

See every lunar phase of 2022 in an elegant design for your office or observatory

Large Bahtinov Focus Tool for 10 inch Telescopes astrophotography 220 - 270 mmShow 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