Bahtinov Mask for Camera Lens Size:82mm Camera Lens Bahtinov Mask is especially helpful when observing

is especially helpful when observing faint objects

Forget about batteries or an external power supply

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100 user defined programmable objects

auto flip Zero position Automatic zero search Park position Horizontal

Bahtinov Mask for Camera Lens Size:82mm Camera Lens Bahtinov Mask is especially helpful when observingThe 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