1.25'' red laser collimator with 2'' adapter.Designed for accurate collimation of Newtorian and SCT reflector telescopes. SV121 Red Laser Collimator adopts retaining only one optimal gear position brightness, reducing cumbersome manual adjustment; Moreover, the spot shape is a dot not a grainy elliptical point.
New SV197 1.25" Cheshire Collimating Eyepiece. Designed for accurate collimation of all Newtonian reflector telescopes. Ensuring the best optical alignment.