Difference between revisions of "Unicum"
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|image_source= http://www.flickr.com/photos/132420193@N06/16591742453/in/pool-camerawiki/ | |image_source= http://www.flickr.com/photos/132420193@N06/16591742453/in/pool-camerawiki/ | ||
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|image_text= Bausch & Lomb Unicum shutter | |image_text= Bausch & Lomb Unicum shutter | ||
Revision as of 06:19, 2 September 2022
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| Bausch & Lomb Unicum shutter image by Luis Cozeto (Image rights) |
Bausch & Lomb introduced its Unicum two-blade shutter in 1897. On top it had a speed dial with speed scale from ½ to 1/100 sec. or 1 to 1/100 sec. plus B and T mode. It had two pistons, one to connect the tube of the release bulb, the other as part of the speed setting mechanics. For aperture setting it had a built-in iris diaphragm.
A stereo variant was available. It was one of the best shutters of its time.
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| scanned by Uwe Kulick (Image rights) |
