Expanded Specifications Opticron Oregon 4 Binoculars
| Colour | Black | Black |
| Size | 10x25 | 8x25 |
| Magnification | 10 | 8 |
| Lens Dia. (mm) | 25 | 25 |
| Lens Dia. (inch) | 1 | 1 |
| Field of View (m@1000m) | 96 | 119 |
| Field of View (°) | 5.5 | 6.8 |
| Field of View (ft@1000yd) | 288 | 357 |
| Close Focus (m) | 2 | 2 |
| Close Focus (f) | 6.6 | 6.6 |
| Eye Relief (mm) | 16 | 16 |
| Eye Relief (inch) | 0.6 | 0.6 |
| IPD Range (mm) | 54~71 | 54~71 |
| IPD Range (inch) | 2.1~2.8 | 2.1~2.8 |
| Waterproof | Yes | Yes |
| Prism Type | Roof | Roof |
| Length (mm) | 106 | 106 |
| Width (mm) | 114 | 114 |
| Depth (mm) | 34.5 | 34.5 |
| Dimensions LxWxD (mm) | 106x114x34.5 | 106x114x34.5 |
| Dimensions LxWxD (inches) | 4.2x4.5x1.4 | 4.2x4.5x1.4 |
| Weight (g) | 300 | 290 |
| Weight (oz) | 10.6 | 10.2 |
| Weight (lb) | 0.7 | 0.6 |
