Difference between revisions of "Ball Bearing Shutter"
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==Links== | ==Links== | ||
*[http://pheugo.com/cameras/index.php?page=kodakbb Ball Bearing shutter in detail] at Camera Collecting and Restoration [http://pheugo.com/cameras/] | *[http://pheugo.com/cameras/index.php?page=kodakbb Ball Bearing shutter in detail] at Camera Collecting and Restoration [http://pheugo.com/cameras/] | ||
| − | *[http://www.vintage-camera-repair.info/ball%20bearing%20shutter.htm repair instructions] on vintage-camera-repair [http://www.vintage-camera-repair] | + | *[http://www.vintage-camera-repair.info/ball%20bearing%20shutter.htm repair instructions] on vintage-camera-repair [http://www.vintage-camera-repair.info/index.htm] |
[[Category:leaf shutters]] | [[Category:leaf shutters]] | ||
[[Category:Kodak|Ball Bearing Shutter]] | [[Category:Kodak|Ball Bearing Shutter]] | ||
[[Category:1911-1914]] | [[Category:1911-1914]] | ||
Revision as of 01:18, 23 November 2008
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| marked as patented in 1913 |
The Ball Bearing shutter was very common on old Kodak cameras. It appeared when Kodak wanted to become more independent from suppliers of shutters and lenses like Bausch & Lomb. Many Kodak cameras of that time got a Kodak shutter but still a Bausch & Lomb lens or vice versa. The Ball Bearing Shutter is a five-blade leaf shutter, often with choice between two or three instant speeds plus bulb and time mode. It has a screw mount for a remote cable. The Ball Bearing shutter is famous for its odd speed selection scale with the B mode between the first and the second instant speed, and the T mode between the second and the third instant speed. The shutter unit also contains a ten-blade diaphragm. The aperture scale may be given in the U.S. aperture system, with the 4 equivalent to f-stop f8 and the 64 equivalent to the f-stop f32.
Links
- Ball Bearing shutter in detail at Camera Collecting and Restoration [1]
- repair instructions on vintage-camera-repair [2]
