120X-180X-360X-720X 50mm Microscope Indusry Camera Zoom C-Mount 25mm Glass Lens

  
About 20 - 360X(when the adapter is 1X) on the display. About 40 - 720X(when the adapter is 2X) on the display. About 10 - 180X(when the adapter is 0.5X) on the display. About 7 - 120X(when the adapter is 0.35X) on the display.