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Lens support system from Buckeyestargazer lands
Tuesday, March 24, 2026 by Austin Harris
A telephoto lens and camera can make beautiful deep sky images, but the setup lives or dies by how well it is mounted-as many of you know. If the lens flexes a little when you slew, if the camera tilts a hair when you focus, your stars will tattle. The difference between soft ovals and tight circles...
Askar 185 APO review
Wednesday, January 29, 2025 by Richard Harris
The Askar 185 APO optical tube assembly (OTA) features a 185mm aperture and a focal length of 1295mm, yielding a native focal ratio of f/7. The design incorporates a triplet air-spaced apochromatic (APO) lens, including one element made from ED (extra-low dispersion) glass, to correct chromatic aber...
Askar 203 APO review
Friday, January 24, 2025 by Russ Scritchfield
The Askar 203 APO from Jiaxing Rui Xing Optical Instrument Co., maker of Askar telescopes, is a powerhouse refractor built for astrophotography and stargazing. With a 203mm aperture and 1421mm focal length, it offers a versatile f/7 focal ratio. Its design aims to pull in plenty of light, giving you...
Askar 160 APO Triplet
Wednesday, January 15, 2025 by Richard Harris
The recently introduced Askar 160 APO Triplet Air-Spaced Refractor offers an upgraded aperture compared to its predecessor, the 140APO, with a 30% larger effective aperture area. This improvement enhances the telescope's limiting magnitude, reaching 12.79, and provides a native focal ratio of f/...