B&L Automatic Shutter
Revision as of 10:48, 20 December 2010 by U. kulick (talk | contribs) (Created page with "Bausch & Lomb's '''Automatic''' shutter was still one with pneumatic controls, with one cylinder to connect a bulb's flexible tube, the other to regulate speed. It included a...")
Bausch & Lomb's Automatic shutter was still one with pneumatic controls, with one cylinder to connect a bulb's flexible tube, the other to regulate speed. It included a diaphragm and a shutter release lever. It fitted two-part screw-mount lens kits.