This page shows an unusually compelling example of how far off camera metering can be, and how well RAW can do to rescue poor JPEG results. The camera was the Olympus OM-D E-M5, which actually has a very capable dynamic range when shot in RAW.
For this example:
- The camera metered the scene at 1/125 second, but an exposure bracketing sequence proves that the 1/25 second exposure is ideal, a full 2 1/3 stops more exposure.
- JPEG was hopeless for making a top quality image in this scene; JPEG highlight detail is severely blown for the ideal RAW exposure.
- Noise is substantially reduced with the extra exposure RAW makes possible.
- Dynamic range is enhanced with RAW; detail is captured in the darkest and brightest areas with very low noise; no pinning of shadow detail, no blowout of highlight detail.
- White balance can be made perfect from RAW with no concern during the exposure for the correct white balance.
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