【Professional Instruments】For aligning optics of Newtonian reflectors, Dobsonian reflectors, and Schmidt-Cassegrain Telescopes (SCTs).
【Visual Accuracy】The short collimator for mirror (reflector) telescopes has a 45 degree plate for easier visual accuracy.
【High-quality and Durable】Item was made by aluminum with crosshair at the bottom allow quick and precise centering of the optics.
【Easy to Use】Fits in 1.25" focusers and easy to use;simply cap the telescope, remove the diagonal, and place the eyepiece directly in the focuser.
【Widely Used】This collimation eyepiece can be used for precisely collimating the Newtonian and Schmidt-Cassegrain reflector telescopes for better image quality.
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