Ikeda Lens Kenmax 29g Monocular 4x Multi-Focus KM-421 1 pc

Catalog number: KM-421 Features: ● A telescope that can be used from the maximum close-up focal position to infinity. ● Comes with a monocular case. ● Comes with a finger ring that prevents fatigue even after long periods of use, which is appreciated by people with weak eyesight. ● Optical lenses and metal parts are made in Japan. Applications: ● General inspection and observation. ● Inspections where you cannot get close to the object. Specifications: ● Effective field of view (mm): * ● Width (mm): 22 ● Height (mm): 51 ● Eye relief (mm): 14 ● Brightness (lm): 5.7 ● Objective lens (mm): Effective diameter 10 ● Actual field of view (degrees): 12.5 ● Maximum close-up position (cm): 20 ● Magnification (times) at infinity: 4.2 ● Magnification (times) at close range: 5.3 ● Visible range at 100m (m): 17 ● Pupil diameter (mm): 2.4 Material/Finish: ● Lens: Optical glass lens (fully multi-coated)