| Model NO. | SFA/30-90X90 |
| Usage | Gift, Bird Watching/Hunting |
| Structure | Porro Prisms |
| Lens Type | Prime Lens |
| Lens | Glass |
| Objective Aperture | >50mm |
| Focusing Type | Center Focusing |
| Aperture | 50-100mm |
| Field of View | 26-11m / 1000m |
| Eye Relief | 13-11mm |
| Length | 490mm |
| Transport Package | Carton |
| Specification | 30-90x90 |
| Trademark | DONTOP/OEM |
| Origin | China (Mainland) |
| HS Code | 90058090 |
| Production Capacity | 2000PCS Per Week |