Does the 50D have a tendency to overexpose?

Discussion in 'Photography Beginners' Forum' started by JClishe, Aug 11, 2010.

  1. JClishe

    JClishe No longer a newbie, moving up!

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    Whenever I'm shooting outside and in Av mode, I almost always have to dial down exposure comp to about -1/3 or even more otherwise I get blown out highlights. I actually leave it at -1/3 as the default and only dial it back up when needed. The other day I was shooting an old farmhouse during sunset and I still had to underexpose.

    Is this typical with the 50D?
     
  2. gsgary

    gsgary Been spending a lot of time on here!

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    What metering were you using ?
     
  3. Robin Usagani

    Robin Usagani Been spending a lot of time on here!

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    +1
     
  4. Overread

    Overread has a hat around here somewhere Staff Member Supporting Member

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    In stronger daylight I find I do the same with my 400D and its the same with many cameras. The meter is very accurate but it can be fooled, and in certain situations you have to learn (as you have done) to compensate for when the light will trick the meter.
     
  5. Big Mike

    Big Mike I am Big, I am Mike Staff Member Supporting Member

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    Also, what are you using to judge that the images are overexposed? Don't rely on the image preview on the LCD...but rather use the histogram.
     
  6. Taylor510ce

    Taylor510ce TPF Noob!

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    Turn on your histogram and look for "blinkies" I have had some situations where I needed to do the same thing. Thats why exposure comp is there, to be used.
     
  7. Ron Evers

    Ron Evers Been spending a lot of time on here!

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    I have the same issue with my G1. I use centre weighted metering.


     
  8. Flash Harry

    Flash Harry TPF Noob!

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    must be a canon/panasonic thing, lol. H
     
  9. Idahophoto

    Idahophoto TPF Noob!

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    It does a slight bit I think. I usually have mine set for 1/3 stop under exposure which seems to be about right most of the time. If the light is tricky I'll knock it down 2/3 but don't recall needing to go past that unless when I wanted it to be underexposed on purpose.
     
  10. Derrel

    Derrel Mr. Rain Cloud

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    Both my Canons, 20D and 5D, have a tendency toward overexposure at times. If all it takes is Minus 1/3 the problem surely isn't much of a big deal. My good friend Steve and I were talking a few weeks ago...he's recently begun shooting the Rebel XSi using Minus 2/3 stop, and has corrected a longstanding problem he's had when shooting in bright sunshine...with Minus 2/3 dialed in, his camera is giving him perfect exposures the majority of the time.
     
  11. robertwsimpson

    robertwsimpson No longer a newbie, moving up!

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    weird. I leave my 50d at +1ev or thereabouts when shooting any of the auto modes. Are you shooting in JPG or RAW? I think JPGs overexpose and RAWs underexpose.
     
  12. TiCoyote

    TiCoyote TPF Noob!

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    I have found this problem with the 50D. I did a search on the 'net and I found that often the culprit is the "Auto Lighting Optimizer." It's a feature that is supposed to add fill light to dark areas. It can be set to 0-std, 1-low, 2-strong, 3-disable. The default is 0, but I find that 1 is better. The menu code to find it is C.Fn II -4. It's on p. 177 in your manual.
     

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