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



Item Weight: 3.2 Ounces. Finderscope: Reflex. Focus Type: Manual Focus. Telescope Mount Description: Altazimuth Mount. Brand: MEOPTEX. Manufacturer: MROPTEX. Date First Available: July 5, 2019. Is Discontinued By Manufacturer: No. Best Sellers Rank: #63 in Telescope Eyepieces. Customer Reviews: 4.6 out of 5 stars 60 ratings 4.6 out of 5 stars. Item model number: 5263469705. : B07K1R95H9. Item Weight: 3.2 ounces. Package Dimensions: 3 x 1.75 x 1.6 inches.