ALM4830

M48/30

Alpine Astronomical

The Baader M48 Extension Tube from Alpine Astronomical is used to adjust the working distance of larger cameras and similar accessories with M48 threading.None Telescope side M48 internal thread, 3.5mm depthNone Eyepiece side M48 external thread, 3mm depthNone 30mm optical path lengthNone Also used as M48 / 2" nose piece with 26mm insertion depth, safety kerfs, and 5mm optical height