Mamiya 90mm rb lens repair manual?

brent.bousquet · Mar 12, 2017

I got a lot of old rb lenses and some of them are in different states of disassembly. I think the person was going to try to make a good one using the parts but now I'm not sure exactly how they go back together any ideas on a manual for at least the 90mm I cant find one online.

EdColorado · Mar 13, 2017

I think I might have one buried around here someplace Brent. I'll take a look, if I can find it I'll scan it for you. If its the one I'm thinking of however it didn't look overly useful. I think it amounted to an exploded view and a parts list. Could however be enough to show you how things screw back together.

Back soon...

brent.bousquet · Mar 14, 2017

EdColorado said:
I think I might have one buried around here someplace Brent. I'll take a look, if I can find it I'll scan it for you. If its the one I'm thinking of however it didn't look overly useful. I think it amounted to an exploded view and a parts list. Could however be enough to show you how things screw back together.

Back soon...

Thanks for looking anything is better than what I have which is a pile of parts. haha Luckily there was a mostly complete one but I cant figure out how the back goes together.

EdColorado · Mar 14, 2017

Brent, I found some information for you. I have scans of the exploded views for the 50, 65, 90, 127, 180, 250, and 360mm lenses. I also have a scan of the Pro S repair manual which has some lens detail near the end. All together the two .pdf documents will be about 8.5mb. PM me your email address and I'll get them off to you.

tedr1 · Mar 14, 2017

Some Mamiya information can be found online here http://www.butkus.org/chinon/mamiya.htm

flavio81 · Mar 14, 2017

EdColorado said:
Brent, I found some information for you. I have scans of the exploded views for the 50, 65, 90, 127, 180, 250, and 360mm lenses. I also have a scan of the Pro S repair manual which has some lens detail near the end. All together the two .pdf documents will be about 8.5mb. PM me your email address and I'll get them off to you.

i want them too!! i'll send you a PM

M Carter · Mar 14, 2017

90's are pretty cheap. If nothing else, buy one, take it apart and take pics of every step. You should be able to ID every screw and so on. Then you can sell one. And you'll need a spanner wrench either way.

Apugger Ron Paul is very knowledgable about servicing RB lenses, too.

EdSawyer · Mar 14, 2017

Www.Edsawyer.com/lenstests/ is where I have a bunch of mamiya repair info posted, mostly RZ but it would be similar to RB as well.

EdColorado · Mar 15, 2017

EdSawyer said:
Www.Edsawyer.com/lenstests/ is where I have a bunch of mamiya repair info posted, mostly RZ but it would be similar to RB as well.

A nice collection of articles Ed, thanks for putting it all together!

EdSawyer · Mar 15, 2017

Glad to help out!

Mamiya 90mm rb lens repair manual?

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