Expanded Specifications Celestron SkyMaster Pro ED 15x70mm Porro Binocular
| Magnification: | 15x |
| Objective Lens Diameter: | 70mm (2.75") |
| Focal Length of Objective Lens: | TBD |
| Angular Field of View: | 4.4° |
| Linear Field of View (@1000 yds) / @1000 m): | 230 ft (77 m) |
| Exit Pupil: | 4.4mm (.17") |
| Eye Relief: | 15.7mm (.62") |
| Close Focus: | 42.7 ft (13 m) |
| Interpupillary Distance (max): | 72mm (2.83") |
| Interpupillary Distance (min): | 56mm (2.20") |
| Diopter Adjustment Range: | ±3 |
| Twilight Factor | 32.4 |
| Relative Brightness: | 21.78 |
| Limiting Stellar Magnitude: | Ideal:11.73 |Moderate:10.73 |Poor:9.73 |
| Lens Coatings: | Fully Multi-Coated - XLT Coatings |
| Prism Glass (Type): | BaK-4 |
| Prism Coatings: | N/A |
| Weight: | 73.7 oz (2,089g) |
| Environmental Protection: | Waterproof (IPX7) |
| Nitrogen Filled: | Yes |
| Tripod Adaptable: | Yes |
| Carrying Case: | Deluxe Nylon |
| Dimensions: | 258mm x 220mm x 85mm (10.2" x 8.7" x 3.4") |
| Included Items: | Binoculars Objective lens caps Eyepiece Covers Rainguard Neck strap Lens cloth Non-Silica Dessicant Case Instruction manual |
