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. Features:
Specifications:Type of Prism: Porro, BAK-4 Prism Coating: Multi-coated Real Angular Field of View: 4.4 degrees Field of View at 1000 Yards: 230' Exit Pupil: 4.7mm Eye Relief: 18mm Close Focus Distance (ft): 43' Waterproof / Fogproof: No (Water Resistant) Camera Tripod Adaptable: Yes Weight: 48 ounces