Difference between revisions of "Compur"
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== Links == | == Links == | ||
* [[Compur serial numbers]] | * [[Compur serial numbers]] | ||
| − | * [http:// | + | * [http://riess.fotohistoricum.dk/compur.eng.html Up and Down with Compur] ([http://riess.fotohistoricum.dk/compur.html here the German version]) by Klaus-Eckard Riess in his [http://riess.fotohistoricum.dk/ camera site] |
* A discussion of the postwar Compur-Rapid and Synchro-Compur models in [http://www.ph.utexas.edu/~yue/misc/AnscAgfa.html a page by Andrew Yue about the Agfa Isolette] | * A discussion of the postwar Compur-Rapid and Synchro-Compur models in [http://www.ph.utexas.edu/~yue/misc/AnscAgfa.html a page by Andrew Yue about the Agfa Isolette] | ||
* [http://www.daniel.mitchell.name/cameras/compurearly/compur.html Repair notes of a rimset Compur] and [http://www.daniel.mitchell.name/cameras/compur/compur.html of a Compur-Rapid] at [http://www.daniel.mitchell.name/cameras/index.html Daniel Mitchell's camera site] | * [http://www.daniel.mitchell.name/cameras/compurearly/compur.html Repair notes of a rimset Compur] and [http://www.daniel.mitchell.name/cameras/compur/compur.html of a Compur-Rapid] at [http://www.daniel.mitchell.name/cameras/index.html Daniel Mitchell's camera site] | ||
Revision as of 05:42, 6 March 2023
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| Early dial-set Compur shutter on Contessa Nettel Cocarette image by Kimmo Kulovesi (Image rights) |
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| Compur Rapid EX/CR00 image by Hans Kerensky (Image rights) |
Compur is a long-lived series of leaf shutters that were made by the German company F. Deckel, based in München (Munich), Germany. The Compur appeared in 1912[1] and was based on the Compound, but was equipped with a geared slow speed governor instead of a piston and cylinder device.
The first Compur shutters were dial set. This means that the speed setting is by way a rotating dial at the top of the shutter plate. The later models were rim set, with a speed setting rim around the shutter housing. Some Compur shutters were equipped with a self-timer beginning from 1928. [2] Compur shutters have a set of speeds like T,B, 1, 1/2, 1/5, 1/10, 1/20, 1/50, 1/100, 1/250 with some having 1/300 instead of 1/250
The Compur-Rapid is a model released in 1935[3], attaining 1/500 in #00 size and 1/400 in #0 size. Some of the late model shutters had a flash terminal but this is for bulbs (M flash sync).
After the war, the Synchro-Compur added a flash sync swith for M or X and flash is connected using a the PC (Prontor-Compur) socket—the "German" style connector, which eventually became the global standard. At some point in the 1950s the speeds were changed to the modern set of speeds: B, 1, 1/2, 1/4, 1/8,1/15,1/30, 1/60, 1/125, 1/250, 1/500
Several variations of the Synchro-Compur can be found with suffxes such as Mx, MXV, with V indicating self time.
During WWII the Japanese shutter maker Bikōdō probably made Compur variants named Tokyo Compur and Rapid Compur for the Rollekonter TLR cameras.
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Notes
Bibliography
- Kamera no mekanizumu sono I: "Hai! Chīzu" Shunkan o torae-tsuzukeru shattā-ten (カメラのメカニズム・そのⅠ・「ハイ！チーズ」瞬間をとらえ続けるシャッター展, Camera mechanism, part 1 "Cheese!" Exhibition of instant taking shutters). Tokyo: JCII Camera Museum, 2002. (Exhibition catalogue, no ISBN number)
Links
- Compur serial numbers
- Up and Down with Compur (here the German version) by Klaus-Eckard Riess in his camera site
- A discussion of the postwar Compur-Rapid and Synchro-Compur models in a page by Andrew Yue about the Agfa Isolette
- Repair notes of a rimset Compur and of a Compur-Rapid at Daniel Mitchell's camera site
- Synchro-Compur servicing at Roland and Caroline's website
- Compur shutters at S.K. Grimes
- Compur shutter service manual and Synchro-Compur service manualat Learn Camera Repair
