| 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 | 
 
                 
                     
                     
                    