Action Extreme 8×40 ATB
A real value for legendary Nikon optics, an extra-wide 430-foot field of view and rugged, ATB performance.
- Bright, multicoated lenses and BaK4 high index prisms: Deliver bright, high-resolution images.
- Long eye relief: For a clear and comfortable view, especially for people who wear eyeglasses.
- Smooth central focus knob: Fast range of focus for quick viewing. No bird goes unseen.
- Unique click-stop, twist-out eyecup design: Delivers both long eye relief and variable eye relief to customize these binoculars to your eyes and accommodate glasses.
- Ergonomic body design: Comfortable for extended viewing.
- Durable and protective, rubber-armoured coating: Provides a sure, non-slip grip, wet or dry.
- Waterproof/fogproof: Nitrogen filled and O-ring sealed.
- Manufactured responsibly with lead and arsenic-free Eco-Glass™
Specifications | |
| Focusing System | Central Focus |
| Magnification | 8x |
| Objective Diameter | 40mm |
| Angular Field of View (Real) | 8.2° |
| Angular Field of View (Apparent) | 59.7° |
| FOV at 1000 yds | 430 ft. |
| Close Focus Distance | 16.4 ft. |
| Exit Pupil | 5mm |
| Relative Brightness | 25 |
| Eye Relief | 17.2mm |
| Interpupilary Distance | 56-72mm |
| Waterproof/Fogproof | Yes |
| Prism | Porro |









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