| Model NO. | 4I/8X42 |
| Function | Waterproof, Shock Proof |
| Usage | Bird Watching/Hunting, Travel |
| Lens Type | Prime Lens |
| Lens | Glass |
| Objective Aperture | 30~50mm |
| Focusing Type | Center Focusing |
| Aperture | <50mm |
| Objective Dia | 42mm |
| Field of View | 129m/1000m |
| Eye Relief | 18m |
| Prism Type | Bak4 |
| Waterproof | Yes |
| Net Size | 139*128*52mm |
| Net Weight | 750g |
| Transport Package | Carton |
| Specification | 8x42 |
| Trademark | OEM or DONTOP |
| Origin | China |
| HS Code | 90051000 |
| Production Capacity | 100000PCS /Year |