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Mamiya RB 67 Pro-S Film Magazine

 
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camz



Joined: 15 Apr 2004
Posts: 138
Location: Southern CA

PostPosted: Sat Aug 20, 2005 8:43 pm    Post subject: Reply with quote

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.

PostPosted: Sun Aug 21, 2005 5:16 am    Post subject: Reply with quote

What is the question ? I did a RB67 back a few years ago, a pain in the ............more or less.

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camz



Joined: 15 Apr 2004
Posts: 138
Location: Southern CA

PostPosted: Sun Aug 21, 2005 4:58 pm    Post subject: Reply with quote

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

PostPosted: Sun Aug 21, 2005 7:29 pm    Post subject: Reply with quote

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

PostPosted: Sun Aug 21, 2005 10:46 pm    Post subject: Reply with quote

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.

PostPosted: Mon Aug 22, 2005 1:05 am    Post subject: Reply with quote

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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[ This Message was edited by: 45PSS on 2005-08-21 18:07 ]
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