Expanded Specifications Swarovski 10x50 Field Pro EL Binoculars
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| OBJECTIVE | ||
| Magnification | 10x | |
| Effective objective lens diameter | 50 mm | |
| Exit pupil diameter | 5 mm | |
| Exit-pupil-distance-eye-relief-mm | 20 mm | |
| Field of view at m/1,000 m / ft/1,000 yds | 115 m/1000m | |
| Field of view degrees | 6.6 ° | |
| Field of view with eye glasses (°) | 6.6 ° | |
| Field of view apparent | 62 ° | |
| Shortest focusing distance | 2.8 m | |
| Diopter adjustment | ± 4 dpt | |
| Diopter correction at ∞ | 5 dpt | |
| Light transmission | 90 % | |
| Pupil distance | 56-74 mm | |
| Twilight factor acc. to ISO 14132-1 | 22.4 | |
| SIZE & WEIGHT | ||
| Length in mm. | 174 mm | |
| Width in mm. | 131 mm | |
| Height in mm. | 67 mm | |
| Weight | 999 g | |
| ENVIRONMENT & CONDITIONS | ||
| Functional temperature | -25 to +55 °C | |
| Storage temperature | -30 to +70 °C | |
| Submersion tightness | 13 ft / 4 m water depth (inert gas filling) | |
