Difference between revisions of "B&L Iris Diaphragm Shutter"
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− | The '''Iris Diaphragm Shutter''' of 1891 was | + | The '''Iris Diaphragm Shutter''' of 1891 was the first of [[Bausch & Lomb]]s characteristic series of two-piston multi-speed brass shutters with [[iris diaphragm]] for standard camera lenses. It had a shutter speed setting device on top that reminds of a clock or a ship's machine telegraph. The predecessing version of 1888, invented by Edward Bausch and is attorney Phil. T. Dodge, had only one piston for remote shutter release tube connection, and no shutter speed setting scale.<ref>1888 version, see [http://www.piercevaubel.com/cam/acc/shb&ldiaphagm1888820.htm Iris Diaphragm Shutter, 1888-type, Brass - c. 1889] on piercevaubel.com</ref> |
− | [[Category: | + | ===Notes=== |
+ | <REFERENCES/> | ||
+ | |||
+ | [[Category:1839-1889]] | ||
[[Category:leaf shutters]] | [[Category:leaf shutters]] |
Revision as of 12:25, 13 November 2016
Bausch & Lomb Iris Diaphragm shutter with Bausch & Lomb lens image by Luis Cozeto (Image rights) |
The Iris Diaphragm Shutter of 1891 was the first of Bausch & Lombs characteristic series of two-piston multi-speed brass shutters with iris diaphragm for standard camera lenses. It had a shutter speed setting device on top that reminds of a clock or a ship's machine telegraph. The predecessing version of 1888, invented by Edward Bausch and is attorney Phil. T. Dodge, had only one piston for remote shutter release tube connection, and no shutter speed setting scale.[1]
Notes
- ↑ 1888 version, see Iris Diaphragm Shutter, 1888-type, Brass - c. 1889 on piercevaubel.com