cz23
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The thing is that it only happens with a lens mounted. And the damper does not feel sticky. Thanks for your thoughts.
John
monopix
Cam repairer
That has got to be the worst piece of advice I've ever seen in this forum - anywhere.
Why anyone who admits they know nothing about the camera should feel qualified to give any advice I don't know. And they are correct, lube will go miles, it can get everywhere, in all the wrong places and can totally screw up a camera.
Don't EVER put lube into a camera because it sounds like a good idea.
monopix
Cam repairer
To the OP:
Your problem is a slipped mirror - that's 100%. You've even confirmed the mirror has slipped. So why start squirting oil where it shouldn't be.
You can push it back but it won't stay unless you glue it but I wouldn't. I always remove the mirror, clean the old adhesive off then refix.
You can find information on the DIY page of my website - link below.
Your problem is a slipped mirror - that's 100%. You've even confirmed the mirror has slipped. So why start squirting oil where it shouldn't be.
You can push it back but it won't stay unless you glue it but I wouldn't. I always remove the mirror, clean the old adhesive off then refix.
You can find information on the DIY page of my website - link below.
valdas
Veteran
Slightly off topic: As a Contax expert - do you know if 139 and RTS II mirrors are interchangeable? I have one dead 139 with nice mirror and my RTS II is on the way (I was told that the mirror is in so so condition). Would I be able to swap those, probably not?
monopix
Cam repairer
HI Valdas,
I don't have a RTSII at the moment I can check with but I would guess not. But it's surprising how bad mirrors can be without having any noticeable effect so I would try it first. Maybe just a good clean is all it will need.
valdas
Veteran
Thanks. Yes, I guess it's still usable. I was told this RTS II has the mirror slip, so I'll have to remove it anyway, so maybe some cleaning would help.
Peter, glad to see your site is restored. 
monopix
Cam repairer
My holiday project.Peter, glad to see your site is restored.
Sent from my SM-G903F using Tapatalk
oftheherd
Veteran
Great information there. Thanks!
ColSebastianMoran
( IRL Richard Karash )
Presenting Symptoms: Contax 139, press shutter button, shutter fires, but mirror stays up. Cannot wind-on.
Diagnosis: See this web site Contax139.info and scroll down to "Shutter Curtain Bounce Catch." If your curtains match the 3rd image in this topic, the bounce catch has prevented the shutter from fully closing. It's gummed up a bit. It's a mechanical problem, not electronic, not a circuit board.
Best solution: remove the catch, clean the faces of the catch and washers, reinstall. Requires disassembly of much of the camera.
But, this worked for me:
- Remove baseplate, keep the battery in place
- Push this black lever in the direction indicated, allows you to wind on, mirror pops back.
- Exercise the camera so it works in spite of accumulated gumminess.
Diagnosis: See this web site Contax139.info and scroll down to "Shutter Curtain Bounce Catch." If your curtains match the 3rd image in this topic, the bounce catch has prevented the shutter from fully closing. It's gummed up a bit. It's a mechanical problem, not electronic, not a circuit board.
Best solution: remove the catch, clean the faces of the catch and washers, reinstall. Requires disassembly of much of the camera.
But, this worked for me:
- Remove baseplate, keep the battery in place
- Push this black lever in the direction indicated, allows you to wind on, mirror pops back.
- Exercise the camera so it works in spite of accumulated gumminess.