Damyung Optical Co., Ltd.

Company Description

Collectively lens camera made ??from optical glass, TV cameras, microscopes, telescopes, etc..
A combination of glass and other optical refractive index and dispersion ratio spherical curvature consists of a combination of different lenses. Place a distinct combination of symmetric and placed the lens back and forth on the same combination group (?) to asymmetric configuration of the photographic lens. Both chromatic aberration (? ? ?) and spherical aberration and coma aberration and non-astigmatic (to increase the sharpness of the image by removing the inherent shortcomings of the lens ? ?? ?) ?screen ten thousand (? ? ??) ?screen distortion purpose. Types (? ?) approximately 50 ?standard angle of view from 180 ?ultra-wide-angle lens fisheye lens, telephoto lens, the focal length of 2,000 mm, F 1.2, large-diameter (? ??) lens.