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Celestron 71189-A Oceana 7x50 Porro Prism Binoculars, Black
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About Celestron 71189-A Oceana 7x50 Porro Prism
From the Manufacturer Oceana 7x50 Marine (item #71189-A) Oceana 7x50 Marine Item #71189-AOverviewDetailsSpecsOverviewOceana 7x50 Marine - General Features7x50Center Focus for quick and easy focusingFully Multi-Coated for maximum resolution and high contrast viewsWaterproof and Fogproof with nitrogen purging for all weather protectionRubber covered for protection and a firm gripIlluminated Compass built-in for direction locationReticle built-in for determining distance and size of objectsCalculator Dial for quick distance measurementAluminum BodyTripod adapter fitting for tripod mounting for increased stabilitySoft Carrying Case for protecting the binocularsNo Fault Lifetime WarrantyDetailsThe Oceana marine binocular from Celestron is a waterproof binocular designed for marine use but it also useful for various land based observations as well. This feature-packed model includes an illuminated compass for direction finding, reticle for distance measurement, and a convenient center focus system. Maximum optical performance is appreciated with the BaK-4 prisms and fully multi-coated optics for ultra sharp images with high contrast and resolution. It has a large 50mm objective lens to offer maximum image brightness even in low light conditions, like dusk and dawn. SpecsOptical Design: Porro Diameter: 50 mm (1.97 in) Magnification: 7 x Angular Field of View: 7.5 ° Linear Field of View (@1000 yds): 394 ft (120.09 m) Linear Field of View (@1000 m): 131 m (429.79 ft) Exit Pupil: 7.1 mm (0.28 in) Eye Relief: 22 mm (0.87 in) IPD Min: 56 mm (2.2 in) IPD Max: 72 mm (2.83 in) Near Focus (Binoculars): 33 ft (10.06 m) Prisms: BaK-4 Optical Coatings: Fully Multi-Coated Weather Proof: Waterproof Weight: 41 oz (1162.33 g) Product Description Calculator Dial for quick distance measurement
