Bahtinov Masks
Clip in Camera Lens Bahtinov Mask
Clip in Camera Lens Bahtinov Mask
Clips into filter slot of camera lens or front of refactor lens hood
Best for camera lens
Works best for focal length > 100mm
Over Good Bahtinov Mask
Over Good Bahtinov Mask
Best for lenses with lens hood
Telescope Bahtinov Mask
Telescope Bahtinov Mask
Best for Newtonian telescopes
Schmidt-Cassegrain Tri-Bahtinov Mask
Schmidt-Cassegrain Tri-Bahtinov Mask
Best for Schmidt-Cassegrain scopes
For focusing & Collimating