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01/26/2010 09:12:05 PM · #1 |
I have a D90 but also noticed this with my old D70.
I usually set my camera on shutter priority when I'm out shooting. Of course, if I stumble upon something interesting and have time to set-up, I'll switch to app. priority if necessary.
As I understand it, if I choose priority "shutter", the in camera metering will select the correct app setting in order to expose my pic as needed.
There are many times when I choose a priorty and snap the pic - there will be blown out areas...sometimes very bad depending on the scene.
Isn't the "programing" in the camera supposed to compute and choose the correct setting of the "unchosen" priority to avoid the overexposure? If so....are more expensive cameras...say $2500 better at this than say a $600 camera?
I hope this makes sense.
Ken |
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01/26/2010 09:31:50 PM · #2 |
The reason is that the cameras metering is based on an 18% gray, which is considered the "average" distribution of light and dark tones. Problem is, real life is not always 18% gray and the camera does not know what the subject is and what is important. It often guesses wrong.
For example in this photo of mine:
Normal matix metering exposed primarily for the dark room, and the subject on the stage was totally blown in the first shot. I then switched to spot metering and it exposed only based on what I was pointing directly at.
Try some of the alternate metering methods your camera offers. Some work better in different situations. You also have an exposure compensation function when in shutter or aperture priority. This tells the camera to lighten or darken it up a little from what it would normally expose at.
Message edited by author 2010-01-26 21:33:39. |
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