Difference between revisions of "Prontor"

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Disambiguation:
The '''Prontor''' is a series of leaf shutters that were made by the German company [[Gauthier]].
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*1. '''[[Prontor (company)|Prontor]]''' is the new name of the shutter maker [[Gauthier]].
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*2. '''Prontor''' is a [[leaf shutter]] with a great range of speeds, introduced in 1935 by [[Gauthier]].
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{{br}}
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{{Flickr image
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| image_source=https://www.flickr.com/photos/camerawiki/33615313558/in/pool-camerawiki
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| image=https://live.staticflickr.com/7902/33615313558_dbbe4b0e42_m.jpg
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| image_align=right
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| image_text=Prontor II on Japanese camera<br/><small>image by eBayer hbpartner</small>
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|image_by=
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|image_rights= with permission
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}}
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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:
 
The '''Prontor II''' exists with the following speed ranges:
* T, B, 175, 100, 50, 25, 10, 5, 2, 1
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* T, B, 175, 100, 50, 25, 10, 5, 2, 1, not synchronized
* 200, 100, 50, 25, 10, 5, 2, 1, B, T
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* 200, 100, 50, 25, 10, 5, 2, 1, B, T, synchronized
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The '''Prontor-S''' is [[flash sync]]hronized.
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The '''Prontor-SV''' has dual M/X synchronization and exists with 1, 2, 5, 10, 25, 50, 100, 250, B speed range (alternatively 1/300 instead of 1/250).
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The '''Prontor-SVS''' has a common mechanism for the M/X synchronization and the [[self-timer]] (usage: first select the wanted speed, then cock the shutter and then optionally engage the self-timer by moving the V/X/M lever to V). Exists with 1/300 and 1/500 top speeds.
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The '''Prontor Reflex''' has speeds 1 to 1/300 and V/X/M.
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The '''Prontor 125''' is an [[everset]] 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 250 LK''', '''Prontor 300 LK''', '''Prontor 500 LK''' and '''Prontor 1000 LK''' are [[meter]]-coupled Prontors.
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The '''Prontor-SLK''' is a fast flash synchronized meter-coupled shutter.
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The '''Prontor-Lux'''
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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-Matic-P''' has speeds to 1/500
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{{br}}
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{{Flickr image
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| image_source=http://www.flickr.com/photos/uwe_kulick/2954944838/in/pool-camerawiki/
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| image=http://farm4.static.flickr.com/3015/2954944838_b0f21f6ff8_m.jpg
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| image_align=right
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| image_text=Prontor-Press with [[JML]] lens
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| image_by=Uwe Kulick
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| image_rights=with permission
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}}
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The '''Prontor-Press''' is a so-called "press shutter". That means that it is an [[everset]] [[flash sync]]hronized large format [[leaf shutter]]. It has five shutter leaves and an additional five-leaf aperture [[diaphragm|iris]]. Its speed range is 1 sec. to 1/125 sec. and includes T and B modes. Speeds can easily be set stepwise by means of the speed 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.
  
The '''Prontor-S''' is synchronized.
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The '''Prontor Professional''' is a [[large format]] shutter with speeds from 1 to 1/125 sec. plus B. It has an additional cable release thread for an aperture release, a lever to switch from stepless to stepwise aperture setting, and facilities to connect its aperture levers to a mechanical aperture remote control on the camera back.
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{{br}}
  
The '''Prontor-SV''' has dual M/X synchronization and exists with 1, 2, 5, 10, 25, 50, 100, 250, B speed range.
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== Photos of internal mechanisms ==
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{{Flickr_image
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|image_source= http://www.flickr.com/photos/29504544@N08/8100953908/in/pool-camerawiki/
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|image= http://farm9.staticflickr.com/8468/8100953908_1d394d113c_m.jpg
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|image_align= right
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|image_text= Prontor SVS size 00,Zeiss Ikon Ikoflex 1c
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|image_by= Hans Kerensky
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|image_rights=  with permission
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}}
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{{Flickr_image
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|image_source= http://www.flickr.com/photos/29504544@N08/5672380312/in/pool-camerawiki
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|image= http://farm6.static.flickr.com/5061/5672380312_9edf942f13_m.jpg
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|image_align= left
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|image_text= Prontor-S, size 0
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|image_by= Hans Kerensky
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|image_rights= with permission
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}}
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{{Flickr_image
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|image_source= http://www.flickr.com/photos/29504544@N08/5674641227/in/pool-camerawiki
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|image= http://farm6.static.flickr.com/5147/5674641227_7119cae041_m.jpg
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|image_align= center
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|image_text= Prontor-S mechanics, side views
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|image_by= Hans Kerensky
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|image_rights= with permission
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}}
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{{br}}
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{{Flickr_image
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|image_source= http://www.flickr.com/photos/29504544@N08/38673908282/in/pool-camerawiki/
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|image= http://farm5.staticflickr.com/4539/38673908282_cabecac4d1_m.jpg
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|image_align= left
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|image_text= Prontor SVS size 0, Rollop 2.8 Automatic
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|image_by= Hans Kerensky
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|image_rights=  with permission
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}}
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{{Flickr_image
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|image_source= http://www.flickr.com/photos/29504544@N08/8421074538/in/pool-camerawiki/
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|image= http://farm9.staticflickr.com/8091/8421074538_33a9c94d47_m.jpg
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|image_align= right
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|image_text= Prontor II size 00
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|image_by= Hans Kerensky
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|image_rights= with permission
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}}
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{{Flickr_image
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|image_source= http://www.flickr.com/photos/29504544@N08/30771030840/in/pool-camerawiki/
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|image= http://farm6.staticflickr.com/5575/30771030840_a47a23d53a_m.jpg
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|image_align= center
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|image_text=  Prontormat S 602K
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|image_by= Hans Kerensky
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|image_rights=  with permission
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}}
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{{br}}
  
The '''Prontor-SVS''' has a common mechanism for the M/X synchronization and the self-timer.
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== Bibliography ==
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* ''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 ==
 
== Links ==
* Repair notes for the [http://pheugo.com/cameras/klio/klio.html Klio, Prontor-S and Prontor II], [http://pheugo.com/cameras/prontor/prontor.html Prontor SVS] at [http://www.daniel.mitchell.name/cameras/index.html Daniel Mitchell's camera site]
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* 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]
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* [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]
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* [http://www.skgrimes.com/library/used-obsolete-discontinued-shutters/prontor Prontor shutters] at [http://www.skgrimes.com/index.htm S.K. Grimes]
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* [http://www.kl-riess.dk/compur.eng.html Up and Down with Compur] ([http://www.kl-riess.dk/compur.html German version]) (includes relevant information about Prontor shutters), by Klaus-Eckard Riess in his [http://www.kl-riess.dk/ camera site]
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*[http://www.cameramanuals.org/pdf_files/futura_german.pdf Prontor-SV manual supplement] for a [[Futura P]] on [http://www.cameramanuals.org Butkus' site] (German)
  
 
[[Category: Leaf shutters]]
 
[[Category: Leaf shutters]]
[[Category: Germany]]
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[[Category: German shutters]]

Revision as of 17:53, 10 October 2019

Disambiguation:


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 flash synchronized.

The Prontor-SV has dual M/X synchronization and exists with 1, 2, 5, 10, 25, 50, 100, 250, B speed range (alternatively 1/300 instead of 1/250).

The Prontor-SVS has a common mechanism for the M/X synchronization and the self-timer (usage: first select the wanted speed, then cock the shutter and then optionally engage the self-timer by moving the V/X/M lever to V). Exists with 1/300 and 1/500 top speeds.

The Prontor Reflex has speeds 1 to 1/300 and V/X/M.

The Prontor 125 is an everset shutter, named after its maximum speed 1/125 sec. .

The Prontor 300 is also named after its max. speed, but needs cocking.

The Prontor 250 LK, Prontor 300 LK, Prontor 500 LK and Prontor 1000 LK are meter-coupled Prontors.

The Prontor-SLK is a fast flash synchronized meter-coupled shutter.

The Prontor-Lux

The Prontor-Mat-S was a shutter for early cameras with automatic exposure setting control.

The Prontor-Matic-P has speeds to 1/500

The Prontor-Press is a so-called "press shutter". That means that it is an everset flash synchronized large format leaf shutter. It has five shutter leaves and an additional five-leaf aperture iris. Its speed range is 1 sec. to 1/125 sec. and includes T and B modes. Speeds can easily be set stepwise by means of the speed 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.

The Prontor Professional is a large format shutter with speeds from 1 to 1/125 sec. plus B. It has an additional cable release thread for an aperture release, a lever to switch from stepless to stepwise aperture setting, and facilities to connect its aperture levers to a mechanical aperture remote control on the camera back.

Photos of internal mechanisms



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