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Traquair
Tinkerer
Username: Traquair
Post Number: 4
Registered: 12-2006
Rating: N/A
Votes: 0 (Vote!) | | Posted on Tuesday, March 11, 2008 - 10:19 am: | 
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Does anyone know if the Metax and Prestor shutters frequently found on Flexaret cameras are original designs or if they are Compur or Prontor copies? Thanks in advance. |
Charlie
Tinkerer
Username: Charlie
Post Number: 147
Registered: 07-2006
Rating: N/A
Votes: 0 (Vote!) | | Posted on Tuesday, March 11, 2008 - 12:46 pm: |
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I think prestors are also found on Zeiss Werras |
Surpriz2002
Tinkerer
Username: Surpriz2002
Post Number: 4
Registered: 02-2008
Rating: N/A
Votes: 0 (Vote!) | | Posted on Wednesday, March 12, 2008 - 01:07 am: |
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Prestor shutters were produced by AGC ( Alfred Gautier, Calmbach). They belonged to the VEB Pentacon Group. They produced the Prontor shutters.
times are:
1, 1/2, 1/4 1/8, 1/15, 1/30, 1/60, 1/125, 1/250, 1/500 or 1/750 Sec |
Adrian
Tinkerer
Username: Adrian
Post Number: 143
Registered: 08-2006
Rating: N/A
Votes: 0 (Vote!) | | Posted on Wednesday, March 12, 2008 - 04:25 am: |
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The Prestor is indeed found on (most - a few have Compur-Rapids or Veburs) Werras. It is a very different beast to a Compur or a Prontor, as it has symmetrical blades that rotate to cock. This requires a second, Capping, shutter behind the first that opens when the shutter is fired but not when it is cocked.
Go googling - but ignore any suggestion of using powdered graphite in it, or you'll have stars all over your pics for ever! |
Reiner
Tinkerer
Username: Reiner
Post Number: 68
Registered: 07-2006
Rating: N/A
Votes: 0 (Vote!) | | Posted on Wednesday, March 12, 2008 - 06:43 am: |
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ACG was based in Culmbach, West Germany. They did not produce the Prestor shutter and they never belonged to the VEB Pentacon which was based in East Germany!
The Prestor shutter was an independant design, very different to Prontor or Compurs. I assume it was produced in East Germany but I am not shure about it. At least it appeared only in the East German Werra cameras. |
Adrian
Tinkerer
Username: Adrian
Post Number: 144
Registered: 08-2006
Rating: N/A
Votes: 0 (Vote!) | | Posted on Wednesday, March 12, 2008 - 10:54 am: |
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Thanks for the Geography lesson, Reiner! I wasn't sure about AGC - I think that the whole camera, shutter and all, was a Carl Zeiss Jena design - but I knew the shutter was a unique design. As far as I know, the only other camera using it, apart from Flexarets and of course the Werra was the Pentina. |
Adrian
Tinkerer
Username: Adrian
Post Number: 145
Registered: 08-2006
Rating: N/A
Votes: 0 (Vote!) | | Posted on Saturday, March 15, 2008 - 05:33 am: |
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Just a thought... If anyone has any dead Prestor shutters on their hands, I'm looking for parts... Any help would be much appreciated!
Adrian |
Wupdigoj
Tinkerer
Username: Wupdigoj
Post Number: 2
Registered: 02-2007
Rating: N/A
Votes: 0 (Vote!) | | Posted on Tuesday, May 13, 2008 - 07:41 am: |
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Hello. I think the metax is a compur copy. At least, it is heavily based on it. Regards |
