The 40mm Baader M48 Extension Tube from Alpine Astronomical is used to adjust the working distance of larger cameras and accessories with an M48 thread. The telescope side features M48 internal threading and a 3.5mm depth. The eyepiece/camera side...
The 40mm Baader M48 Extension Tube from Alpine Astronomical is used to adjust the working distance of larger cameras and accessories with an M48 thread. The telescope side features M48 internal threading and a 3.5mm depth. The eyepiece/camera side...