Difference between revisions of "Prontor"
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*1. '''Prontor''' is the new name of the shutter maker [[Gauthier]]. | *1. '''Prontor''' is the new name of the shutter maker [[Gauthier]]. | ||
*2. '''Prontor''' is a [[leaf shutter]] with a great range of speeds, introduced in 1935 by [[Gauthier]]. | *2. '''Prontor''' is a [[leaf shutter]] with a great range of speeds, introduced in 1935 by [[Gauthier]]. | ||
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The '''Prontor-SVS''' has a common mechanism for the M/X synchronization and the self-timer. | The '''Prontor-SVS''' has a common mechanism for the M/X synchronization and the self-timer. | ||
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| + | The '''Prontor 125''' is a self-cocking shutter, named after its maximum speed 1/125 sec. . | ||
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| + | The '''Prontor 300''' is also named after its max. speed, but needs cocking. | ||
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| + | The '''Prontor 300 LK''', '''Prontor 500 LK''' and '''Prontor 1000 LK''' are [[meter]]-coupled Prontors | ||
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| + | The '''Prontor-SLK''' are fast flash synchronized meter-coupled shutters. | ||
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| + | The '''Prontor-Mat-S''' was a shutter for early cameras with automatic exposure setting control. | ||
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The '''Prontor-Press''' is a so-called "press shutter". That means that it is a self-cocking [[flash sync]]hronized large format [[leaf shutter]]. It has five shutter leaves and an additional five-leaves aperture. Its speed range is 1 sec. to 1/125 sec. and includes T and B mode. Speeds can easily be set stepwise by means of the setting ring around its front. It has a screw mount in either the front and the back since it's a shutter for lens kits with separate [[lens barrel|barrel]]s for front and rear elements. The shutter's release lever can alternately be operated with a common remote cable. | The '''Prontor-Press''' is a so-called "press shutter". That means that it is a self-cocking [[flash sync]]hronized large format [[leaf shutter]]. It has five shutter leaves and an additional five-leaves aperture. Its speed range is 1 sec. to 1/125 sec. and includes T and B mode. Speeds can easily be set stepwise by means of the setting ring around its front. It has a screw mount in either the front and the back since it's a shutter for lens kits with separate [[lens barrel|barrel]]s for front and rear elements. The shutter's release lever can alternately be operated with a common remote cable. | ||
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| + | The '''Prontor Press Electronic''' is an electronically controlled shutter, the '''Prontor magnetic''' another electrically driven one. | ||
== Bibliography == | == Bibliography == | ||
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== Links == | == Links == | ||
| − | * Repair notes for the [http://pheugo.com/cameras/klio | + | * Repair notes for the [http://pheugo.com/cameras/index.php?page=klio Klio, Prontor-S and Prontor II], [http://pheugo.com/cameras/index.php?page=prontor Prontor SVS] at [http://www.daniel.mitchell.name/cameras/index.html Daniel Mitchell's camera site] |
| + | * [http://www.apug.org/forums/forum147/54789-disassembly-prontor-shutter-folder.html disassembly of Prontor-S] at APUG [http://www.apug.org] | ||
* [http://www.rolandandcaroline.co.uk/repair/prontors1.html Prontor-S servicing] at [http://www.rolandandcaroline.co.uk/map.html Roland and Caroline's website] | * [http://www.rolandandcaroline.co.uk/repair/prontors1.html Prontor-S servicing] at [http://www.rolandandcaroline.co.uk/map.html Roland and Caroline's website] | ||
* [http://www.skgrimes.com/prontor/index.htm Prontor Professional shutters] at [http://www.skgrimes.com/index.htm S.K. Grimes] | * [http://www.skgrimes.com/prontor/index.htm Prontor Professional shutters] at [http://www.skgrimes.com/index.htm S.K. Grimes] | ||
Revision as of 17:04, 19 October 2008
Disambiguation:
- 1. Prontor is the new name of the shutter maker Gauthier.
- 2. Prontor is a leaf shutter with a great range of speeds, introduced in 1935 by Gauthier.
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| Prontor II on Japanese camera |
The Prontor is a long-lived series of leaf shutters made by the German company Gauthier based in Calmbach.
The Prontor II exists with the following speed ranges:
- T, B, 175, 100, 50, 25, 10, 5, 2, 1, not synchronized
- 200, 100, 50, 25, 10, 5, 2, 1, B, T, synchronized
The Prontor-S is synchronized.
The Prontor-SV has dual M/X synchronization and exists with 1, 2, 5, 10, 25, 50, 100, 250, B speed range.
The Prontor-SVS has a common mechanism for the M/X synchronization and the self-timer.
The Prontor 125 is a self-cocking shutter, named after its maximum speed 1/125 sec. .
The Prontor 300 is also named after its max. speed, but needs cocking.
The Prontor 300 LK, Prontor 500 LK and Prontor 1000 LK are meter-coupled Prontors
The Prontor-SLK are fast flash synchronized meter-coupled shutters.
The Prontor-Mat-S was a shutter for early cameras with automatic exposure setting control.
|
| Prontor-Press wirh JML lens |
The Prontor-Press is a so-called "press shutter". That means that it is a self-cocking flash synchronized large format leaf shutter. It has five shutter leaves and an additional five-leaves aperture. Its speed range is 1 sec. to 1/125 sec. and includes T and B mode. Speeds can easily be set stepwise by means of the setting ring around its front. It has a screw mount in either the front and the back since it's a shutter for lens kits with separate barrels for front and rear elements. The shutter's release lever can alternately be operated with a common remote cable.
The Prontor Press Electronic is an electronically controlled shutter, the Prontor magnetic another electrically driven one.
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
- Repair notes for the Klio, Prontor-S and Prontor II, Prontor SVS at Daniel Mitchell's camera site
- disassembly of Prontor-S at APUG [1]
- Prontor-S servicing at Roland and Caroline's website
- Prontor Professional shutters at S.K. Grimes
