Large Bahtinov Focus Tool for 10 inch Telescopes astrophotography It's lightweight and easy to

It's lightweight and easy to use

Gently attach the mask to diffract light into three spikes

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

This adjustable solar telescope filter fits over the objective lens of your telescope to provide safe viewing of our sun

Laser Precise Focus at Night

Large Bahtinov Focus Tool for 10 inch Telescopes astrophotography It's lightweight and easy toShow 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