SV197 1.25″ Cheshire Collimating Eyepiece for Newtonian Telescopes CNC Machined Aluminium it comes preloaded with the

it comes preloaded with the required software and drivers

Its Newtonian reflector design is easy to operate

25″ holder and 1

Adjust the secondary and primary mirror collimation screws while viewing through the Cheshire eyepiece until alignment is achieved

Focal position (perfect distance to the sensor): 91

SV197 1.25″ Cheshire Collimating Eyepiece for Newtonian Telescopes CNC Machined Aluminium it comes preloaded with theSV197 1. 25 Cheshire Collimating Eyepiece for Newtonian Telescopes The SV197 Cheshire Collimating Eyepiece is a precision alignment tool designed for accurate collimation of Newtonian reflector telescopes. By ensuring correct optical alignment, it helps deliver sharper stars, improved contrast, and better overall observing performance. Key Features Accurate Optical Alignment Designed to help precisely align primary considered to secondary mirrors,