2'' TUBE EXTENSION - 50mm Power 15 x 15 mm Alloy

15 x 15 mm Alloy composition

so that the degradation of pointing models (simply due to terrain creeping and other “very slow” things) is always faster than this change

this filter is needed to cut off unwanted wavelengths in colour cameras which are sensitive to these radiations

Directly pluggable to all the GMXXXX mounts control box with MD6 - RJ11 extension cable

2'' TUBE EXTENSION - 50mm Power 15 x 15 mm AlloyExtension tubes are used when the optical tube is too short and the focuser has not enough travel to reach the focus. This accessory increase the optical path of your telescope of 50mm. The tube includes two thumb screws to secure the camera or the accessory used. The internal compression ring avoid any scratch on your accessory. The bottom part is threaded (M48x0. 75) to allow the connection of standard 2" filters. The safety groove stop the