Bresser Optics 4910220, Silver, Aluminium, 1/4", Messier/ES/GP/Vixen, 69 mm, 24 mm

Universal dovetail clamp suitable for all optical tubes which are equipped with a standard 44mm dovetail rail (Messier/ES/GP/Vixen). 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. The prism clamp has 2 x 6mm countersunk holes (35mm hole spacing) and 3 additional 1/4" photo tapped holes at 120 degrees angular distance on a pitch circle diameter of 55 mm to allow a versatile adaptation to a variety of other telescopes and adapter plates.