Astronomical Extension Tube - T2 Extension Ring Adapter for Cameras and Eyepieces - Length 30mm - M42x 0.75 on Both Sides T2 thread extension tube with T-mount thread (M42x 0.75 ) often found on telescopes and photographic accessories. The male thread is intentionally kept short in order to function also with filter wheels where a longer thread might get in the way. The adaptors are black anodized to keep down reflections.
Package Include: 1x 30mm Extension tube P.
S: 30 days no reason return warranty: You can apply for return without any reason within 30 days, simple and convenient return process. We take full ownership and responsibility for the quality of our products and will do best to solve your problem quickly and efficiently.