Bahtinov Mask Generator BETA
Generate a focusing mask tailored to your telescope — download a print/laser-ready file, or order one made by FarpointAstro. Small scope? Try the Cap (3D-printed) type.
coarsefine
brightlong spikes
Advanced
Every mask is engraved with www.FarpointAstro.com on the rim.
Mounting hardware — Farpoint-style masks
Rubber grommet
McMaster 9307K14
Buna-N. Snaps into the 0.375" slot; fits 0.125" material; 0.25" center bore.
McMaster 9307K14
Buna-N. Snaps into the 0.375" slot; fits 0.125" material; 0.25" center bore.
Nylon thumb screw ("peg")
McMaster 94323A841
1/4"-20 × 1", raised knurled head. Threads into the grommet bore.
McMaster 94323A841
1/4"-20 × 1", raised knurled head. Threads into the grommet bore.
How it mounts
Three grommets press into the radial slots and slide to match your tube. A thumb screw in each grommet hangs the mask on the front of the tube and locks it. Masks ordered from us ship with the grommets and pegs included — no kit needed.
Three grommets press into the radial slots and slide to match your tube. A thumb screw in each grommet hangs the mask on the front of the tube and locks it. Masks ordered from us ship with the grommets and pegs included — no kit needed.
Printing or laser-cutting your own from the free download? Order a FarpointAstro mounting kit — 15 rubber grommets + 15 nylon thumb screws, enough to mount 5 masks:
Bahtinov Mask Mounting Kit →