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E-P1 with legacy lenses - exposure settings?

Discussion in 'Adapted Lenses' started by chromewaves, Jun 14, 2010.

  1. chromewaves

    chromewaves Mu-43 Rookie

    Jun 14, 2010
    Hi - I just got my first legacy lens for my E-P1, a Canon FD 50mm f/1.4, and am still getting the hang of using it. First thing I'm noticing is that when I have the camera on Av, when I stop it down, the image on the LCD darkens - as I'd expect - and the auto-set shutter speed gets incrementally slower, but not nearly enough to compensate for the reduced light hitting the sensor. Unsurprisingly, when I shoot the resulting image is a lot darker even though the exposure compensation reads 0. The exposure appears correct when I shoot wide open. My understanding was that shooting in Av would result in the camera automatically adjusting itself to the manually-set aperture. Is that incorrect? Do I need to shoot in full manual and set the shutter speed myself?

    Assistance is appreciated.
  2. Charles2

    Charles2 Mu-43 Regular

    May 17, 2010
    My rough method for this problem

    Haven't noticed the variations you describe in detail, but in general, legacy lenses on my E-P1 produce raw files with dynamic range narrower than maximum.

    I shoot Aperture priority, and take shots with more and more exposure compensation until image review shows highlight blinking.

    That helps some, but I still brighten images and expand their histograms in post-processing (Picture Window Pro).

    This one was taken with a Yashica ML 50mm f/1.9 lens. I forget the aperture, but it was done at ISO 800.
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