| Ort der Herkunft |
Yunnan China (Mainland) |
| Marke |
bko |
| Modell-Nummer |
BKO70-B |
Pure metal lens body, with exquisite workmanship. All the parts are combined closely. Its internal focusing pattern can help resist water and dust. With 2 pieces of separate objective lens and multi-layers of films on the surface of the lens, it has clear and bright imaging with little chromatic aberration. Therefore, it is extremely suitable for bird watching and astronomical observation. Aperture: 70mm Focal length: 860mm Magnification: 27x Angular field of view: 1.4:° Resolution on axis: 3.0″ Eye relidf: 40mm Exit pupil: 3.0mm Near focus: 10m Size: 275x90x145mm Weight: 750g