| Model NO. | 3J/12X42 | 
| Function | Waterproof | 
| Usage | Bird Watching/Hunting, Travel | 
| Structure | Roof Prism | 
| Lens Type | Prime Lens | 
| Lens | Glass | 
| Objective Aperture | 30~50mm | 
| Focusing Type | Center Focusing | 
| Aperture | <50mm | 
| Objective Diameter | 42mm | 
| Field of View | 114m/1000m | 
| Eyepiece Diameter | 23mm | 
| Exit Pupil Distance | 10mm | 
| Nearest Focus Distance | 2.5m | 
| Lens Group | 5e/3G | 
| Focus System | Center + Right Eyepiece | 
| Waterproof | Rain Proof | 
| Transport Package | Carton | 
| Specification | 12X42 | 
| Trademark | OEM/DONTOP | 
| Origin | China | 
| HS Code | 90051000 | 
| Production Capacity | 2000PCS /Week | 
 
                 
                     
                     
                    