Celestron SkyMaster Pro ED 7x50 Porro Binoculars

ED OBJECTIVE LENSES: Extra-Low Dispersion (ED) glass virtually eliminates chromatic aberration or colour fringing, a visual defect common in binoculars, so you can enjoy sharp images with true-to-life colour 7X MAGNIFICATION: This classic astronomy binocular features large 50mm objective lenses and 7x magnification - for viewing wide-field astronomical targets like the Pleiades Open Star Cluster, Milky Way, Andromeda Galaxy, and more XLT LENS COATINGS: All air-to-glass surfaces are multi-coated with Celestron’s proprietary XLT coatings - the same ones we use on our observatory-class telescopes - to maximise the light transmission through the optical path for brighter images THREADED TO ACCEPT ASTRONOMICAL EYEPIECE FILTERS: Add a 1.25" astronomical eyepice filter to each eyepiece to experience game-changing views DURABLE, WATERPROOF BODY: A rubber-armoured, polycarbonate housing protects your binoculars from damage and stands up to the toughest weather conditions. They're also fully waterproof and nitrogen purged to prevent internal fogging of the lenses