Expanded Specifications Zeiss SFL 8x30 Smart Focus Binoculars
Performance | |
Magnification | 8 × |
Effective lens diameter | 30 mm |
Light transmission | 90% |
Exit pupil diameter | 3.75 mm |
Twilight factor | 15.5 |
Field of view at 1,000 m (yds) | 142 m (426 ft) |
Subjective viewing angle | 63° Ww |
Close focusing distance | 1.5 m (4.9 ft) |
Diopter adjustment range | − 4.0 / + 4.0 dpt |
Exit pupil distance | 18 mm |
Pupil distance | 54 – 74 mm |
Lens type | UHD |
Prism system | Schmidt-Pechan |
Features | |
LotuTec / Nitrogen filled | + / + |
Water resistance | 400 mbar |
Physical | |
Operating temperature |
− 20°C / + 55°C (− 4°F / + 131°F)
|
Length | 120 mm (4.7 ") |
Width at an interpupillary distance of 65 mm | 107 mm (4.6 ") |
Weight | 460 g (16.2 oz) |