Koilos
From Camerapedia.org
Koilos shutter on a Sirius.
Picture courtesy of eBayer hbpartner. (Image rights)
The Koilos is a German three-leaf shutter. It was the first leaf shutter developed by Gauthier, introduced in 1904. It needed cocking and used a leather break to regulate speeds.
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Cameras equipped
The fact that a camera is listed here does not imply that all its versions were equipped with a Koilos shutter:
- Lily Portable Camera
- Nifca-Dox
- Nifcarette
- Sirius
- Super and Special Super
- Murer's Express
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Links
In English:
- Shutters - History and Use, an article by Ernest Purdum at largeformatphotography.info with erroneous mentioning of Kenngott as the shutter's maker
In Japanese:
- Unknown plate folder with a Koilos shutter and a Heliostar lens, at the Monomono blog
