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. The 80mm and 100mm Models are waterproof and feature structural reinforcements of the main body for maximum stability and secure alignment. In addition they have a built-in super rigid photo tripod adapter
Type of Prism: Porro, BAK-4 Prism
Real Angular Field of View: 3 degrees
Field of View at 1000 Yards: 157'
Exit Pupil: 4mm
Eye Relief: 15mm
Close Focus Distance (ft): 80'
Waterproof / Fogproof: Yes
Camera Tripod Adaptable: Yes
Weight: 157 ounces