Diagonal Prism Optical Prism inside rather than a mirror which makes your image clear and sharp
1.25 inch 45 degree mirror star diagonal for any telescope with 1.25 inch connector ;not suitable for Newtonians
More comfortable viewing orientation as you observe from above; filter thread for any 1.25 inch filter;. Accepts standard 1.25 inch eyepieces
The laser comes fully adjusted; It can be further adjusted if required; It has three openings for adjustment: arranged at 120 degree which are initially sealed; The battery can be exchanged by unscrewing the small screw cap at the rear of the laser
This adjustment tool can be used in all 1.25 inch focusers; We provide you with precise instructions in German and English with a step by step explanation of how to adjust a telescope using this laser unit; Even if you are a newcomer to amateur astronomy