10x20 IS
 
                            
                            
                        | Apparent Angle-of-View (°) | 49.5 | 
| Battery Life *Battery life figures are approximate and based on continuous viewing at 77°F or 25°C. | 12hrs | 
| Pupil Diameter (mm) | 2.0 | 
| Image Stabilization System | Lens shift | 
| Eye-Relief (mm) | 13.5 | 
| Field-of-View at 1,000 meters (m) | 93 | 
| Focus Range (m) | 2.0 - infinity | 
| Focusing Adjustment Method | Manual focusing by turning the focusing knob | 
| Magnification | 10x | 
| Obj. Lens Diameter (mm) | 20 | 
| Power Source | 1 CR123A Lithium-ion battery | 
| Prism | Porro I type prism | 
| Real Field-of-View (°) | 5.3 | 
| Relative Brightness | 4.00 | 
| Size (W x D x H) (mm) | 118 x 142 x 69 | 
| Water Resistant | - | 
| Weight (g) *Without Batteries. | 430 |