Celestron 15×70 SkyMaster Weather Resistant Porro Prism Binocular

About Celestron SkyMaster Binocular FEATURED REVIEWS See all 54 reviews   Mine work great By Tom R. My primary use is astronomy, but also enjoy bird watching. The negative reviews about poor collimation, etc., are probably accurate for those PARTICULAR units and they should be returned. Hey folks, ANYBODY can have a bad production run and these poorly performing units are probably a result of a bad run. Mine work great and a fellow retired health care professional who has a similar pair also loves his. I use a tripod for stability and would strongly recommend this procedure. I am total… View full Review   amazing By tobizeek Amazing product only bad part is shakiness but easily remedied with tripod The SkyMaster series of large aperture binoculars from Celestron offer phenomenal performance for astronomical viewing. They are also a great choice for terrestrial use, especially over long distances. All models feature high quality BAK-4 prisms and have multi-coatings for enhanced contrast. This product can only be shipped to U.S. and Canada addresses.