Bahtinov Mask for Camera Lens Size:82mm Camera Lens Bahtinov Mask 2" dual-speed Crayford focuser

2" dual-speed Crayford focuser

and visual use

Solar System Align Aperture (mm) 279

is especially helpful when observing faint objects

so orders placed outside of business hours may not receive gift cards until the following business day

Bahtinov Mask for Camera Lens Size:82mm Camera Lens Bahtinov Mask 2" dual-speed Crayford focuserThe Farpoint Camera Filter Bahtinov Focus Mask is an ingenious new way to easily focus your DSLR camera, Mirrorless, webcam or CCD camera for astrophotography. Pavel Bahtinov, a Russian amateur telescope maker and astronomer, created this simple, very intuitive method and the device has universally been named after him: The Bahtinov Mask. This Bahtinov Focus Mask snaps in to your camera lenses that have the specified size filter thread. The Bahtinov