Kase Bright Star Professional Bahtinov Filter Focus Threaded Filter 77mm/82mm Size:82mm or deep-sky imaging

or deep-sky imaging

Before attaching the device

Printed in the USA

Removing the mask won't bump your polar alignment

Kase Bright Star Professional Bahtinov Filter Focus Threaded Filter 77mm/82mm Size:82mm or deep-sky imagingLaser Precise Focus at night Don't miss another clear night. Get perfect focus every time with a laser etched Threaded Bahtinov Filter for your camera lens. If you've ever spent hours trying to manually focus your camera on the stars at night, you know the struggle. A bahtinov mask will cut your setup time down to mere minutes with ease. Kase Bright Star Get perfect focus on the stars and planets with a laser etched batinov mask. Shockproof tempered