24mm underexposure problem

[tom0511]

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My 24 underexposes on my S3 by over 2 stops.

it doesn't on my S007 and all my other lenses don't underexpose on my S3.

Has anybody experienced something similar or any idea what I can do except sending either the lens or the camera or both in to service?

 

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[mgrayson3]

Look into the lens as you press the shutter and make sure the aperture is moving to the correct diameter. (Not at all wide open, quite small at f/16, etc.) Does it underexpose at all f/stops? I could imagine that the camera thinks it's wide open, somehow.

[tom0511]

vor 49 Minuten schrieb mgrayson3:

Look into the lens as you press the shutter and make sure the aperture is moving to the correct diameter. (Not at all wide open, quite small at f/16, etc.) Does it underexpose at all f/stops? I could imagine that the camera thinks it's wide open, somehow.

thanks I will check this out

 

[Eclectic Man]

You could also check the electrical contacts on the lens to make sure they make a good connection to the camera.

[John McMaster]

Different metering mode?  I never got on with the S2 centre weighting, it was very different to the M9/M240,  and have only used spot for many years...

john

[LeicaR10]

Tom0511,  I agree with Eclectic Man's post #4.  I would also suggest you clean the lens contacts and even camera contacts.  Worst case, the 24 might need a vacation to the Wetzlar mothership for a check up. The S 24 as you know is a superb lens.  BTW, I only had this type issue with S 70 once.  The lens needed warranty servicing at Wetzlar back in 2010 for a faulty electronic aperture.   r/ Mark

[tom0511]

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Cleaned contacts, checked f-stop (it is closing).

Weird thing: in life view at 3.5 it also underexposes. In life view f4.0-closed down it exposes correct.

I SLR mode it underexposes at all f-stops. I am afraid I have to send it in.

 

[Eclectic Man]

@tom0511 Sadly there is no 'commiserations' tag, but I hope you get it back soon.