- Model : 7577.
- Focal length : 10 x 42 mm.
- Extra-low dispersion (ED) glass corrects chromatic aberration that causes colour fringing and realises a contrast-rich and high-resolution image.
- Anti reflection coating.
- Multilayer lens and prism for brighter images.
- Long eye relief design ensures a clear field of view, even for eyeglass wearers.
- Eco-glass optics are free of lead and arsenic.
- Waterproof(Up to 1 m / 3,3 in. 10 minutes).
- Fogproof.
- Turn-and-slide rubber eyecups with multi-click facilitate easy positioning of eyes at the correct eyepoint.
- Rubber armouring for shock resistance and a firm, comfortable grip.
- The lightweight body uses a reinforced polycarbonate fiber glass resin.
- Soft-to-the-touch neck strap.
| Magnification(x) | 10 |
|---|---|
| Objective diameter (mm) | 42 |
| Angular field of view (Real/degree) | 5.5 |
| Angular fied of view (Apparent/degree) | 51.3 |
| Field of view at 1,000m (m) | 96 |
| Exit pupil (mm) | 4.2 |
| Relative brightness | 17.6 |
| Eye relief (mm) | 18.4 |
| Central focus distance (m) | 2.5 |
| Length (mm) | 145 |
| Width (mm) | 129 |
| Depth (mm) | 55 |
| Weight (g) | 600 |
| Interpupillary distance adjustment(mm) | 56-72 |
| Type | Roof |






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