Nikon HFX-DX or UFX series microscope camera controller. Used to control exposure settings for a camera attached to a microscope. Features include ISO, exposure time adjustments, and a wind/reset function. Designed for use in scientific and research settings. Similar models include the UFX-IIA and HFX-IIA Working condition. Good overall cosmetic condition with minor signs of use (small scratches/marks). Sold as shown in photos, no extra accessories included.