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Product Description
An ideal companion for general-purpose glassing on the trail, at the stadium, or around town, the Nikon 8x25 ProStaff ATB Binocular is equipped with space-saving BAK4 reverse-Porro prisms, a multi-coated optical path, and aspherical eyepiece lenses. These features work together to produce clear and crisp high-contrast views with accurate color rendition. Nikon's proprietary Eco-Glass optics are made of environmentally-friendly lenses and prisms that don't contain lead or arsenic. Complementing the image quality, the optical tubes are nitrogen-filled and O-ring sealed to be waterproof and resistant to internal fogging; and the housing is wrapped in a textured rubber armor that provides a slip-resistant grip — especially in cold or wet weather. Weighing in at just 12.5 ounces and measuring a mere 4.5-inches long, the ProStaff ATB can easily fit in most packs, pockets, or purses without adding excessive bulk to slow you down.
| Prism Type | Porro |
| Magnification | 8x |
| Objective Lens Diameter | 25mm |
| Angle of View | 6.3° (actual) |
| Field of View | 330.0' @ 1000 yd / 109.56 m @ 1000 m |
| Minimum Focus Distance | 9.2' / 2.8 m |
| Exit Pupil Diameter | 3.1 mm |
| Eye Relief | 15.5 mm |
| Interpupillary Adjustment | 56.0 - 72.0 mm / 2.2 - 2.8" |
| Dioptric Correction | Not Specified by Manufacturer |
| Focus Type | Center |
| Tripod Mount | None |
| Dimensions | 4.5 x 3.9" / 11.4 x 9.9 cm |
| Weight | 12.5 oz / 354.4 g |
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