This is the "Proctica" Endoscopic camera made in East Germany in the early 1970s. Note the helical flash tube, which was part of the motorised front cone assembly. Two button switches on the hand grips allowed the lens/flash assembly to be inserted/extracted efficiently, using a 24 volt electric motor.
flash tube allowed for positive inserting grip, and efficient internal
illumination, as well as the ability to cauterise polyps, growths, and some
Photos and text © by Alvis 3.1