Active Member
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[China]
Address: No. 80, Tongji Avenue, Qingbaijiang District, Chengdu City, Sichuan Province
Contact name:Ben Xie
Lijing International Optical Equipment Factory |
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7x50 Waterproof Floating Giant Long Distance HD Wide-Angle Strong Binoculars Telescopio For Sale
Parameter:
| Type | 7x50 | Objective Diameter | 50mm |
| Field angle | 5.5°±5% | Field of view | 96m at 1000m |
| Near focus | 7m | Relative brightness | 17.39 |
| Objective lens | 2E1G | Ocular lens | 4E3G |
| Prism | Porro | Optical material | BAK4 |
| Coating condition | Fully coated | Surface treatment | Rubber paint and rubber |
| Resolving power | 5.6'' | Focusing system | Center focus |
