Optical system, and image observing apparatus and image pickup apparatus using it
暂无分享,去创建一个
The present invention has been, the first surface of the optical device with a symmetrical second surface only for symmetrical with the first plane and the plane of symmetry for only one plane of symmetry is a concave inclined with respect to the reference axis light ray emitted in the plane of symmetry and the reflecting surface, the partial region of the second side portion at a constant power will change.