10X42 Outdoor Waterproof Long Distance Binoculars (BM-7221D) Magnification10Objective Diameter(mm)42mmPrism TypeBAK4Lens CoatingFMCFocus SystemCent.Exit Pupil Diameter(mm)4mmExit Pupil Distance(mm)15mmField of View6.3°FT/1000YDS331FT/1000YDS110M/1000MMIN.FOCAL.LENGTH3.2mWATER PROOF and fogpr......

| Magnification | 10 |
| Objective Diameter(mm) | 42mm |
| Prism Type | BAK4 |
| Lens Coating | FMC |
| Focus System | Cent. |
| Exit Pupil Diameter(mm) | 4mm |
| Exit Pupil Distance(mm) | 15mm |
| Field of View | 6.3° |
| FT/1000YDS | 331FT/1000YDS 110M/1000M |
| MIN.FOCAL.LENGTH | 3.2m |
| WATER PROOF and fogproof | Yes |
| Eyecups system | Twist-Up Eyecups |
| UNIT DIAMENSION | 143*128*54mm |
| UNIT WEIGHT | 674g |







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