| Model NO. | 4571/8X42 |
| Function | Waterproof |
| Usage | Gift, Bird Watching/Hunting, Travel |
| Structure | Porro Prisms |
| Lens Type | Prime Lens |
| Lens | Glass |
| Objective Aperture | 42mm |
| Focusing Type | Center + Right Eyepiece |
| Aperture | <50mm |
| Objective Dia. | 42mm |
| Exit Pupil Diameter | 5.2mm |
| Field of View | 123m/1000m |
| Exit Pupil Distance | 18mm |
| Interpupillary Distance | 56-74mm |
| Minimum Focus Distance | 2.5m |
| Condition | New |
| Transport Package | Carton |
| Specification | 8x42 10x42 |
| Trademark | DONTOP/OEM |
| Origin | Chongqing China |
| HS Code | 90051000 |
| Production Capacity | 2000PCS/Week |