Wollensack sky-shade shutter, made by the Wollensak Optical Company, Rochester, New York. One shutter blade, speeds: 1/2/5/25/50/100/B/T. Pneumatic release. Spring clip attachment for 1 1/2" lens barrels for use in front of camera lens giving reduced exposure to the top of the photograph. Patented May 1, 1905, in case with instructions.
Wollensack sky-shade shutter, made by the Wollensak Optical Company, Rochester, New York. One shutter blade, speeds: 1/2/5/25/50/100/B/T. Pneumatic release. Spring clip attachment for 1 1/2" lens barrels for use in front of camera lens giving reduced exposure to the top of the photograph. Patented May 1, 1905.
Instruction book for a Wollensack sky-shade shutter, made by the Wollensak Optical Company,
Case for a Wollensack sky-shade shutter, made by the Wollensak Optical Company, Rochester, New York.
