名称: 柱面透镜
型号:
品牌: ROSS
A lens having at least one surface that is a portion of a cylinder. Cylindrical lenses focus light along one axis only, thus forming a line image from a parallel incident beam. Typically used in the slit illumination of apertures, or converging the light for a line scan detector as well as stretching a point of light into a line as in a laser level.
◆Positive Cylinder |
◆Negative Cylinder |
◆Rod Lens |
www.2138.com_太阳集团游戏官方网址 备案号:京ICP备13029673号-1 京公网安备11010802012682