| Model NO. | SFA/33-100X100 |
| Function | Waterproof, Fogproof |
| Usage | Bird Watching/Hunting |
| Structure | Prismatic |
| Lens Type | Prime Lens |
| Lens | Glass |
| Objective Aperture | >50mm |
| Focusing Type | Internal Focusing |
| Aperture | 50-100mm |
| Objective Dia. | 100mm |
| Field of View | 23-10m/1000m |
| Exit Pupil Distance | 13-11mm |
| Minimum Focus Distance | 10m |
| Transport Package | Carton |
| Specification | 33-100X100 |
| Trademark | DONTOP/OEM |
| Origin | Chongqing China |
| HS Code | 900580000 |
| Production Capacity | 2000PCS/Week |