Yunnan Yuanjin Optical Co., Ltd.
1Years

Using new material,solid structure,small size,adopted PORRO optical system,the telescope is easy to carry and good effect of observation,waterproof function,with reticle ranging,have a compass,color have black,blue and camouflage.
Main Specification:
| Objective Diameter | 42 | |
| Exit Pupil Diameter | 4.2 | |
| Field of View | 6° | |
| Eye Relief | 17.5mm | |
| Minimum Focus Distance | 5m | |
| Resolution (Center) | ≤5.3″ | |
| Image Parallelism | ≤40′ | |
| Objective Lens | 3 groups 4 pieces | |
| Eyepiece Lens | 3 groups 5 pieces | |
| Anti-Reflective Lens Coating | Broadband membrane | |
| Anti-Reflective Prism Coating | General membrane | |
| Prism System | Porro | |
| Focus System | Central Made | |
| R elative brightness | 17.6 | |
| Twilight index | 20.5 | |
| MECHANICAL | ||
| Closed Interpupillary Distance | 52mm | |
| Open Interpupillary Distance | 72mm | |
| Positive Ocular Diopter Adjustment | +8 | |
| Negative Ocular Diopter Adjustment | -4 | |
| Ocular Diopter Adjustment Location | 0.5 | |
| Alignment | ||
| Convergence | ≤40′ | |
| Divergence | ≤100′ | |
| Dipvergence | ≤30′ | |
| Drop Test Standard | 1.5m | |
| ENVIRONMENTAL | ||
| Water Resistance Proof | 0.3m/10min | |
| High Temperature Resistance-Operational | ||
| Low Temperature Resistance-Operational | ||
| DIMENSIONAL | ||
| Weight (Binocular Only) | 624g | |
| Size (Measurements) | 174mmX59mmX139mm | |
| SPECIAL FEATURES | ||
| Armor | yes | |
| Tripod Mounting Screw | yes | |
| Retractable Eye Cups | yes | |
| Nitrogen Fill | yes | |