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09-26-2013, 08:06 AM   #1
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pentax mz-s & fa 35-70 troubles

Hello,

When i fit the fa 35-70 onto my pentax mz-s , the aperture reading is of by a half stop.

The lens starts at 3,5 but the viewfinder shows 4, same for all the folllowing steps till f22 that shows f27.

I have 3 other lenses tested with the camera and wit the other ones i have no problems. Anybody an idea how to solve this?

Already cleaned the contacts and wiggled the lens, but it doesn't help.

On my digital kr i can set the aperture from 3,5 to 22 via the camera dial as supposed to be!

regards,

Adam

09-26-2013, 08:20 AM   #2
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That's weird. It could be that your mz-s thinks the lens is zoomed in when it really isn't. Are the exposures off, or are they ok?

Adam
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09-26-2013, 08:35 AM   #3
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just fitted the lens, haven't made any pictures yet!
will make some tonight and develop tomorrow to see if the exposure is correct

Adam
09-29-2013, 12:38 AM   #4
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Problem solved!

I've dismantled the rear of the lens, and cleaned & lubed the aperture ring (wasn't going smooth anymore). While i was in i cleaned the contacts on the inside.

All is working fine again!

Nice & compact lens on the mz-s i need to say!

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