Astromania Dovetail mp Messier Vixen-Style - Piggy Back Camera Holder for 20mm Counterweight Shaft for Telescope Mounts

Lightweight Aluminum Piggy back Camera holder in silvery white.The back camera holder is for 20mm/18mm counterweight shaft. You can attach a camera or a compact guiding scope to the counterweight shaft of your astronomical mount with it.This reduces the overall load for the mount. Stability is limited only by the stability of the counterweight shaft itself. This fixed on the shaft by two M6 screws.The maximum weight it can hold is 6kg. Also a screw kit is included for mounting the dovetail clamp direct on the top of the handle of all BRESSER Messier und EXPLORE-SCIENTIFIC telescopes. Thus a parallel mounted guiding telescope can be set up very easy and enables long exposure astrophotagraphy with autoguiding. Universal dovetail clamp suitable for all optical tubes which are equipped with a standard 43mm dovetail rail (Messier/ES/GP/Vixen). Further 1/4" Photo thread holes allows to adapt this dovetail clamp to many other field tripods and mounting plates.