The SCA 356 adapter couples all Rolleiflex SL66E/SE, 2000, 3000 and some 6000 model cameras as well as TLR GX with several dedicated SCA flash systems (Metz etcetera) to enable TTL flash  metering with automatic exposure. Ideal for fill in flash and close up photography.
Back side view with ASA dial.

Item # 207 065
Made from 1984-present