0.7-4.5X Video Lens 0.5X Adapter C Mount for Industrial Microscope Camera Zoom
Type: Zoom C-mount Lens. Zoom Ratios: 1:6.4. Adapter: 0.5X C-mount. It can be mounted on circular fluorescent lamp, LED ring lights, fiber optic cold light source. 0.7X - 4.5X range (about 10 - 180X magnification).