BAADER M54 x 0.75 CONTINUOUS MALE THREAD Els PW 10884 When installing ESATTO 3" in

When installing ESATTO 3" in a telescope with a long travel focuser (such as those usually found on refractors)

Easy to setup and easy to use

centre-positive

The Quad Band filter can be used to capture broadband and narrowband targets such as galaxies

BAADER M54 x 0.75 CONTINUOUS MALE THREAD Els PW 10884 When installing ESATTO 3" inThis handy adapter from Baader features a continuous male M54 x 0. 75 thread, allowing you to connect two accessories with M54 x 0. 75 female threads together. The adapter has an optical thickness of effectively zero. The internal surfaces of the adapter feature anti reflection grooves and flat black paint. Specifications Overall thread length 8 mm Inner diameter 51 mm Outer diameter 54 mm Outer thread M54 x 0. 75 Optical length 0 mm SKU BA2458061