Bahtinov Mask for Camera Lens Size:72mm Camera Lens Bahtinov Mask The PowerTank Lithium LT is

The PowerTank Lithium LT is built with lithium nickel cobalt manganese technology

Getting more data              102

Two interchangeable adapters allow you to switch between a Schmidt-Cassegrain thread adapter and a 2” barrel adapter so you can use this diagonal with a wide variety of telescopes

Parabolic primary mirror with Radiant™ Aluminum Quartz (RAQ™) coating for 94% light reflectivity

It accepts Vixen-type dovetail bar

Bahtinov Mask for Camera Lens Size:72mm Camera Lens Bahtinov Mask The PowerTank Lithium LT isThe 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