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davekarp
Joined: 09 Sep 2004
Posts: 4
Location: CA, U.S.A.
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 Posted: Thu Sep 09, 2004 9:25 pm Post subject: |
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Hi,
I have a 4x5 Crown Graphic in pretty good shape that I use for landscape photography. During my last outing, I noticed that the upper right corner of the GG back did not hold tight to the film holders when they were inserted in the camera. I held the glass firmly against the holder for the rest of the trip. Upon developing my negatives, I found that the ones taken before I noticed the problem were all fogged in that corner. Does anyone have a suggestion for a repair that would tighten the back up a bit? This is a recent development, and I cannot point to an event that would have caused this problem.
Thanks in advance. |
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RichS
Joined: 18 Oct 2001
Posts: 1468
Location: South of Rochester, NY
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| Posted: Thu Sep 09, 2004 9:59 pm Post subject: |
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| Quote: |
On 2004-09-09 14:25, davekarp wrote:
Hi,
I have a 4x5 Crown Graphic in pretty good shape that I use for landscape photography. During my last outing, I noticed that the upper right corner of the GG back did not hold tight to the film holders when they were inserted in the camera. I held the glass firmly against the holder for the rest of the trip. Upon developing my negatives, I found that the ones taken before I noticed the problem were all fogged in that corner. Does anyone have a suggestion for a repair that would tighten the back up a bit? This is a recent development, and I cannot point to an event that would have caused this problem.
Thanks in advance.
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It would depend on whether or not you have a Graflok or spring back.
If it's a spring back, you'd probably have to remove and either retension or replace the spring.
For the Graflok. The two arms that slide into the back are tensioned by coil springs on a shaft. The most common problem is that dirt and/or corrosion get into the area where the shaft goes through the back. Most often a simple touch of light oil and some flexing back & forth fixes this.
If there is very little tension on one of the arms, it is possible the spring has broken. There you're into a replacement.
Check it out a little closer and let us know what type of back you have...
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davekarp
Joined: 09 Sep 2004
Posts: 4
Location: CA, U.S.A.
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| Posted: Thu Sep 09, 2004 10:08 pm Post subject: |
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| Its a Graflok. Sorry, I should have mentioned this. |
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45PSS
Joined: 28 Sep 2001
Posts: 4081
Location: Mid Peninsula, Ca.
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| Posted: Fri Sep 10, 2004 4:18 am Post subject: |
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check your PM's.
_________________
The best camera ever made is the one that YOU enjoy using and produces the image quality that satifies YOU. |
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davekarp
Joined: 09 Sep 2004
Posts: 4
Location: CA, U.S.A.
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| Posted: Fri Sep 10, 2004 3:16 pm Post subject: |
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Hi,
Thanks for the quick responses. I really appreciate them. I hate to sound uninformed, but what are PMs?
Thanks again. |
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Rangemaster
Joined: 06 Jul 2001
Posts: 412
Location: Montana, Glacier National Park
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| Posted: Fri Sep 10, 2004 3:48 pm Post subject: |
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Hi,
If you look at the links in the upper right hand corner, you will see a link for private messages, just click on there and you might have to login like you do to post a message, then you will be able to read and reply to the messages that are there.
Dave
_________________
Focus on the Picture, Not on the Glass.
Satin Snow(TM) Ground Glass |
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davekarp
Joined: 09 Sep 2004
Posts: 4
Location: CA, U.S.A.
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| Posted: Fri Sep 10, 2004 11:48 pm Post subject: |
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| Thanks for the heads up on PMs. |
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