Rolleimarin 6000
1978
Extremely rare Oceanoptics Rolleimarin 6000 underwater housing for Rollei 6000 series cameras, designed by the famous underwater pioneer Wulf H. Koehler and manufactured by Oceanoptics Darmstadt, Germany, die-cast aluminum body with neutral buoyancy, made for depths up to 150m/500ft, including dome port for 30mm and 90mm lenses and focusing gears for 40mm Super Angulon and 90mm Apo-Symmar.
Photo credit: © WestLicht Photographica Auction