The 12x50 Action Extreme ATB Binocular from Nikon is a general purpose optic that offers a weather-sealed housing and slip-resistant handling. Additionally, Action Extreme ATB binoculars are equipped with a fully multicoated optical path that displays a 59.8° apparent viewing angle. Nikon's Eco-Glass optics are made of environmentally-friendly lenses and prisms that don't contain lead or arsenic. Complementing the image quality and nitrogen-filled housing are Turn-and-Slide eyecups and a 16mm eye relief, allowing the viewer to set a comfortable viewing distance even while wearing eyeglasses.
Features
Optical Performance
- Magnification: 12x
- Objective lenses: 50mm diameter
- Apparent viewing angle: 59.8° wide angle
- Eco-Glass: lenses and prisms don't contain lead or arsenic
- Fully multicoated optics
- BAK4 prism glass
- 16mm eye relief
Use and Handling
- Turn-and-slide rubber eyecups with multiple click-stop positions
Construction Details
- Nitrogen-filled for fogproof and waterproof performance
- Slip-resistant rubber armoured housing
- Weight: 37 oz
Specifications
| Prism Type | Porro |
| Magnification | 12.0x |
| Objective Lens Diameter | 50mm |
| Angle of View | 5.5° (actual) |
| Field-of-View | 288' @ 1000 yd / 95.62 m @ 1000 m |
| Minimum Focus Distance | 22.97' / 7 m |
| Exit Pupil Diameter | 4.2 mm |
| Eye Relief | 16.1 mm |
| Interpupillary Adjustment | 56 - 72 mm / 2.20 - 2.83" |
| Focus Type | Centre |
| Tripod Mount | Yes (Adapter Optional) |
| Dimensions | 7.0 x 2.9 x 7.7" / 17.78 x 7.37 x 19.56 cm |
| Weight | 36.8 oz / 1043.3 g |
