| 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 | 
 
                 
                     
                     
                    