Vitiny UM20A-CSZ064C Digi Microscope directly connect to monitor, plug and play. There is built-in 5 objective lens and coaxial light. The parfocal distance at WD 82mm allows continuous zoom from FOV 12.1mm to 1.85mm and larger magnification. By the way, it is flexible to change the other C mount zoom lens and obtain different parfocal distance. Vitiny again upgrade 1080p high image quality and delicate color. It controls focus, zoom in, white balance, exposure value and luminance through IR remote controller. Additionally, the function of defog can enhance the contrast and mirror reverse image etc.