Seneca Duo
The Duo was a dustproof leaf shutter with slow speeds downto 1 second. The images show it with a Seneca 5×7 Rapid Rectilinear lens. It was made by Wollensak.
images by Dirk HR Spennemann (Image rights) |
The Duo was a dustproof leaf shutter with slow speeds downto 1 second. The images show it with a Seneca 5×7 Rapid Rectilinear lens. It was made by Wollensak.
images by Dirk HR Spennemann (Image rights) |