Add review for Celestron OptiView 10x50 LPR Binocular 72102
Celestron OptiView 10x50 LPR Binocular 72102
Celestron OptiView 10x50 LPR Binoculars 72102 have built-in light pollution reduction (LPR) filters designed to selectively reduce the transmission of certain wavelengths of light, specifically those produced by artificial light (see chart). This includes mercury, and both high and low pressure sodium vapor lights common in most city street lights. In addition, they block unwanted natural light caused by neutral oxygen emission in our atmosphere (i.e. sky glow). As a result, 10 x 50 OptiView LPR Binoculars #72102 darken the background sky, making deep-sky observation of nebulae, star clusters and...