The Canon CANOLITE D-Canonet QL17 GIII is a Xenon light flash unit designed for film cameras. Made by Canon, this shoe mount flash features an AF assist light and a guide number of 43m. With a hot shoe mount interface, this unit is compatible with Canon cameras and is ideal for those looking for a reliable flash accessory to enhance their photography. This model was tested in Auto Mode and functions properly, making it a valuable addition to any photographer's gear collection.