
| Specification | 20x80mm | 30x80mm |
| Magnification | 20x | 30x |
| Obj.lens | 80mm | 80mm |
| Angle | 3.7° | 2.4° |
| Field of View | 65m/1000m | 42m/1000m |
| Apparent Field of View | 74° | 72° |
| Exit pupil | 4.4mm | 3.0mm |
| Eye relief | 18.0mm | 13.0mm |
| Prism System | Porro | Porro |
| Prism Glass | BaK-4 | BaK-4 |
| Lens Coating | Fully Multi | Fully Multi |
| Eyecups | Twist-Up | Twist-Up |
| Focus System | Center | Center |
| Size Class | 228x120x325 | 228x120x325 |
| Color | Black( various colors for option) | |
| Water Fogproof | Yes | Yes |
| Weight | 2200 g | 2120 g |
| Patent Number | ZL 2004 2 0104592.3 | |