Lijing International Optical Equipment Factory
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BAK4 Prism 10X50 ED Lens Waterproof Binoculars Telescope for Military Army
Parameter:
| TYPE | 10x50 Waterproof ED Binoculars |
| BODY STYLE | SEMI-AROMATIC THERMOPLASTIC BODY |
| POWER | 10 X ± 5% |
| OBJECTIVE DIAMETER | 50mm ± 1 mm |
| FEILD ANGLE | 6.5 ° ± 5% |
| FIELD OF VIEW(at 1000m/at 1000yds.) | 114m / 341ft. |
| EXIT PUPIL DIA. | 5mm ±10% |
| NEAR FOCUS | 3m |
| EYE-RELIEF | 17.2mm |
| RELATIVE BRIGHTNESS | 22.4 |
| OBJECTIVE LENS: | 4E3G |
| OCULAR LENS: | 5E3G |
| LENS TYPE: | SPHERICAL LENS |
| PRISM: | ROOF BaK4 |
| COATING CONDITION | ALL LENS - FULLY COATED |
| SURFACE TREATMENT | PAINT / RUBBER |
| RESOLVING POWER | 4.8 ” |
| FOCUSING SYSTEM | CENTER FOCUS |
| FOCUSING ADJUSTMENT | -4 TO +8 DIOPTER |
| OCULAR ADJUSTMENT | -4 TO +4 DIOPTER |
| ADJUSTABLE EYE PUPIL | 56--74mm |
| EYECUPS | REVOLVING STRETCH EYCUPS |
Features:
* Quality optics with stunning ED clarity
* 100% quality materials used and tested extensively
* Beautiful design and durability built to last
* Instafocus binoculars with 10x magnification and 50mm objective lenses
* High quality BK-7 prism multi-coated optics for bright, clear, crisp viewing
* Fold-down eyecups favor all viewers including eyeglass wearers
* Non-slip rubber armor absorbs shock while providing a firm grip
* All-purpose binoculars for sporting events and nature viewing
