Company Description
Hangzhou yongxin optical & electrical instrument co.,ltd. manufacture glass aspherical and spherical condense, reflector, lenses; filter, projector lenses, , telescope ,microscope etc:
(1) glass aspherical products : glass aspherical condenser , reflector, glass aspherical lenses (paraboloidal , hyperboloidal, cylindrical, ellipsoidal)
(2) large diameter spherical lenses :?40mm??200mm
(3) projector lenses: effective aperture more than ?60mm
(4) multicoating: wide-band increased transmisson layer, high reflection reflecting layer(reflection more than 90%), wave-band filter
(5) telescope: 8 x 42 binocular pechan prism telescope