Some cameras have a quite limited compensation range; for example, the Canon 350D allows to underexpose or overexpose just up to 2 stops.

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Take care when metering water as the large areas of white can fool the meter to underexpose, making the picture look dark.

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And, since the camera has kept the overall ISO to 200, there isn't the same noise penalty to be paid as when conventional sensors try to underexpose and then pull the brightness back up.

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But shooting the sun is tricky. On a clear day, the sun is so bright that your camera's meter will tend to underexpose everything else in the frame. Shoot in manual mode, or take a reading without the sun in frame, depressing the shutter button halfway to hold the exposure, then reframe before you shoot. If you're shooting film, bracket a lot to make sure of getting the exposure you want.

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Think about including the sun in your photograph—it's one sure way to say hot and harsh. But shooting the sun is tricky. On a clear day, the sun is so bright that your camera's meter will tend to underexpose everything else in the frame. Shoot in manual mode, or take a reading without the sun in frame, depressing the shutter button halfway to hold the exposure, then reframe before you shoot.

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underexpose：曝光不足

或許您曾經(jīng)采用曝光不足(Underexpose)的方法來避免圖像的高光部分曝光過度(Blowing out),但如果這么做,您已經(jīng)浪費了大量數(shù)碼相機(jī)可以采集到的數(shù)據(jù)位(Bit),同時還會陷入在中間調(diào)(Midtone)和陰影(Shadow)部分引入更多噪點(Noise)的嚴(yán)重隱患.

underexpose：未充分照射 不充分照射

underexploitation 開發(fā)不足 | underexpose 未充分照射 不充分照射 | underexposed 欠曝光的

underexpose：使感光不足

underexploitation /開發(fā)不足/ | underexpose /使感光不足/ | underexposure /曝光不足/

underexpose：未充分照射;照射不足

underexpansion 不完全膨脹;膨脹不足 | underexpose 未充分照射;照射不足 | underfloor 地面下的;地板下的