| Model NO. | S53A/16-48X70 |
| Magnification | 16-78X |
| Function | Waterproof, Fogproof |
| Usage | Bird Watching/Hunting, Travel |
| Lens Type | Prime Lens |
| Lens | Glass |
| Objective Aperture | 30~50mm |
| Focusing Type | Center Focusing |
| Aperture | <50mm |
| Objective Dia | 70mm |
| Exit Pupil Distance | 18-15mm |
| Exit Pupil Diameter | 4.3-1.4mm |
| Field of View | 43.7-21.8m/1000m |
| Prisms | Bak4, Coated |
| Nitrogen Filled | Yes |
| Waterproof | Yes |
| Transport Package | Carton |
| Specification | 16-48X70 |
| Trademark | DONTOP/OEM |
| Origin | Chongqing China |
| HS Code | 900580000 |
| Production Capacity | 2000PCS/Week |