Compact body with a compact body of the objective lens diameter 21mm with excellent portability, can be used on the go willingly, such as theater and indoor nature of the outdoors, in a variety of contexts.
Field of view are bright and clear by a prism with a high refractive index glass and multi-coated BaK4 which I made to the lens, and to improve the transmittance and reflectance of light, bright field of view can be obtained. Further, the aspherical lens, the peripheral portion of the field of view to have realized clear image with less distortion. Adopt a rubber coat I give the rubber coating on the exterior body, in order to improve the impact resistance and ease of grip.
Eye width adjustment is easy to match it uses can be smoothly adjusted by a simple operation eye width varies from person to person to use, (2-shaft linked) eye width adjustment method of our binoculars own.
