Mamiya RB67 90mm Lens Not Working!
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Old 11-01-2010   #1
Alpaca
 
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Default Mamiya RB67 90mm Lens Not Working!

My RB67 works fine with the lens off. The mirror raises, the light baffle raises, all is functional with that. It's the 90mm Sekor lens I have for it that seems to be the problem. With the lens in place, the light baffle doesn't raise and give off it's great "thump" sound. I took the lens off and played with it manually -- the shutter does release, yes, but the turning mechanism that allows for the shutter release is...tough. It's not turning as easily as it should, so of course the camera cant lift the baffle cause it doesn't produce that much force.

Any ideas on how to troubleshoot? The lens was working great a couple months ago. Is it possible the lens needs to be "lubed" somehow? Anything helps!

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Old 11-02-2010   #2
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Default Re: Mamiya RB67 90mm Lens Not Working!

I would take it in to the shop for a check out.....sometimes, the shutter in the lens can "fire" off the camera and needs to be reset to properly engage with the camera controls (this may apply more to hasselblads...it's been a while).

If it feels "tough" as you say, it would probably be worth having it checked out and cleaned.....or buy another from KEH...they are really cheap now!


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[Canon 50D][17-85 f/4-5.6 EF-S]
[Bronica ETRS][50mm f/2.8][75mm f/2.8]
[Mamiya RB67][50mm f/4.5][90mm f/3.8][140mm f/4.5 Macro][Ext. Tube #2][150mm SF-C f/4][250mm f/4.5]
[Minolta X-700][16mm f/2.8 Fisheye][50mm f/1.4]


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