These high quality binoculars from Kinglux feature a stylish rubber
covered aluminium body which protects the device from external
damage. The ergonomic thumb indents and finger ridges provide an
anti-slip grip and make it easy to use these binoculars.
Optical:
The multi-coated optics of these binoculars ensures that you get
bright and sharp images with high contrast by increasing the light
transmission. These binoculars feature a roof-prism type lens with
8x magnification, 5 m closest focusing distance, 28 mm objective
lens diameter, 6.2° degrees actual field of view, and 17 mm eye
relief.
Materials:
Optical glass, aluminium alloy, Rubber, ABS
Model | BT5577 |
Specification | 8x25mm | 10x25mm | 12x25mm |
Magnification | 8x | 10x | 12x |
Obj.lens (mm) | 25 | 25 | 25 |
Angle | 6.5° | 5.5° | 5.0° |
Field of View at 1000m | 114 | 96 | 87 |
Apparent Field of View | 52° | 55° | 60° |
Exit pupil (mm) | 3.1 | 2.5 | 2.1 |
Eye relief (mm) | 13 | 13 | 13 |
Dusk Index | 14.1 | 15.8 | 17.3 |
Relative Brightness | 9.6 | 6.2 | 4.3 |
Type of Prism | Porro |
Focus System | Central |
Lens Coating | Fully Multi |
Eyecups | Fold-Down |
Size (mm) | 115(L)x50(W)x115(H) |
Weight (g) | 240 g | 255 g | 255 g |