Olympus AH2-ASS/AH2-AST Motorized Aperture Diaphragm Unit (Vanox AHBS3)

Olympus AH2-ASS/AH2-AST Motorized Aperture Diaphragm Unit pulled from a decommissioned Olympus Vanox AHBS3 Microscope in working order (see pictures, comes as shown). The Olympus AH2-ASS/AH2-AST is an aperture diaphragm unit. It is part of the AH2 series, which uses a motorized device to automatically set the field stop, aperture stop, and condenser selection. ALL QUESTIONS AND OFFERS WELCOME