Expanded Specifications Celestron 25x70 Binoculars
| Magnification: | 25x |
| Objective Lens Diameter: | 70mm (2.75") |
| Focal Length of Objective Lens: | 279.63mm (11") |
| Angular Field of View: | 2.7° |
| Linear Field of View (@1000 yds) / @1000 m): | 141 ft (47 m) |
| Exit Pupil: | 2.8mm (.11") |
| Eye Relief: | 13mm (.51") |
| Close Focus: | 75 ft (23 m) |
| Interpupillary Distance (max): | 72mm (2.83") |
| Interpupillary Distance (min): | 56mm (2.20") |
| Diopter Adjustment Range: | -4 to +8 |
| Twilight Factor: | 41.83 |
| Relative Brightness: | 7.84 |
| Limiting Stellar Magnitude: | Ideal: 11.73 | Moderate: 10.73 | Poor: 9.73 |
| Lens Coatings: | Multi-Coated |
| Prism Glass (Type): | BaK-4 |
| Prism Coatings: | N/A |
| Weight: | 52 oz (1474 g) |
| Environmental Protection: | Water Resistant |
| Nitrogen Filled: | No |
| Tripod Adaptable: | Yes |
| Carrying Case: | Nylon |
| Dimensions: | 220mm x 110mm x 280mm (8.7" x 4.3" x 11.0") |
| Included Items: | Objective lens caps Tripod adapter Rainguard Carrying case Neck strap Lens cloth Instruction manual |
