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camz
Joined: 15 Apr 2004 Posts: 138 Location: Southern CA
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Posted: Sat Aug 20, 2005 8:43 pm Post subject: |
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Has anyone resealed or pulled apart a Mamiya RB 67 roll-film back? |
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45PSS
Joined: 28 Sep 2001 Posts: 4081 Location: Mid Peninsula, Ca.
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Posted: Sun Aug 21, 2005 5:16 am Post subject: |
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What is the question ? I did a RB67 back a few years ago, a pain in the ............more or less.
_________________ The best camera ever made is the one that YOU enjoy using and produces the image quality that satifies YOU. |
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camz
Joined: 15 Apr 2004 Posts: 138 Location: Southern CA
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Posted: Sun Aug 21, 2005 4:58 pm Post subject: |
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I wanted to know if you replaced the old gummy seals with new ones from Mamiya, or made your own. It's difficult to cut new ones if the old ones are smashed and rolled into sticky pills. |
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glennfromwy
Joined: 29 Nov 2001 Posts: 903 Location: S.W. Wyoming
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Posted: Sun Aug 21, 2005 7:29 pm Post subject: |
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I cut my own from the light seal foam kits available on ebay. The kits usually come with strips of several thicknesses and will do several cameras. If the dark slide seal is good, it's an easy job. I have not had to tackle a slide seal. |
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disemjg
Joined: 10 Jan 2002 Posts: 474 Location: Washington, DC
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Posted: Sun Aug 21, 2005 10:46 pm Post subject: |
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While I have not done a Mamiya RB back, for all the other seal and pad work I do I use either the adhesive backed foam sheets from Fargo or, for some places, yarn.
The foam sheets from Fargo come in a few thicknesses; they have two grades, with the better being Japanese. That is the stuff I use.
Wherever it works well, I prefer the yarn. It is easier to control and never wears out or degrades. It is what they used in the old days before the foam came along.
If you have to do the light trap for the dark slide, remember that whatever you put there has to resist being torn by the dark slide passing over it. |
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45PSS
Joined: 28 Sep 2001 Posts: 4081 Location: Mid Peninsula, Ca.
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Posted: Mon Aug 22, 2005 1:05 am Post subject: |
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The one I did I had to remove the sticky goop that once was a light seal then made my own by dying grey open cell sponge rubber with black leather dye as I was unaware of many of the sources for light seal kits at the time. If I remember correctly there are seals under the top and bottom plates as well as the mount groves.
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While a picture may be worth a thousand words, a quality photograph is worth a million.
[ This Message was edited by: 45PSS on 2005-08-21 18:07 ] |
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