Homoyoyo Optical Axis Collimator Optical Eyepiece Low Power Eyepiece Aluminium Alloy Collimating Eyepiece an Fittings Zoom Telescope Eyepiece Metal Accessories Aluminum Alloy Collimation - OWD1324J20G2

• Collimation ?eyepiece-- this collimation eyepiece can be used for precisely collimating the newtonian and schmidt-cassegrain reflector telescopes for better images quality. An fittings-- fits in 1.25 inch and easy to use. simply caps the telescope, remove the diagonal, and place the eyepiece directly in the . Telescopio-- used to calibrate the optical of a refractor, put the collimation eyepiecre into the tube. Aluminium alloy collimating eyepiece-- collimation is the alignment of elements inside an optical system like a telescope. Telescopes-- a wonderful accessory for both photography and astronomy lovers.