China 8X42 10X42 Cost Effective Telescopes Waterproof Binoculars, Find details about China Binoculars Telescopes, Birding Binocular from 8X42 10X42 Cost Effective Telescopes Waterproof Binoculars
Mode | 4582G/8X42 | 4582G/10X42 |
Magnification | 8X | 10X |
Objective diameter | 42mm | 42mm |
Exit pupil distance | 17mm | 14mm |
Exit pupil diameter | 5.2mm | 4.2mm |
Diopter range | +/-3 degree | +/-3 degree |
Field of view | 119m/1000m | 102m/1000m |
Minimum focus distance | 3m | 3m |
Relative brightness | 27 | 17.6 |
Twilight index | 18.3 | 20.4 |
Interpupillary distance | 56-74mm | 56-74mm |
Lens group | 6E/4G | 6E/4G |
Focus system | center + right eyepiece | center + right eyepiece |
Focus lens | internal | internal |
Eyepiece system | twist-up | twist-up |
Waterproof | 0.5m 10 minutes | 0.5m 10 minutes |
Sealing gas | Nitrogen | Nitrogen |
Coating | Two ends multi, other single layer | Two ends multi, other single layer |
Size | 160*133*55mm | 157*132*55mm |
Net weight | 580g | 560g |