
Originally Posted by
WIlliam Maroldo
Hi Lee. The reason I asked about the crop is because sometimes a significant crop causes image degredation problems, but we can rule that out.
The reason I asked about the clouds is because without the diffusing effect they have on sunlight, a subject with extremes of brightness variation, from dark to bright, will exhibit serious exposure problems, that (in my opinion of course) have no satisfactory post-processing solution.
The problem here was due to the eye and surrounding area being in the shade. You exposed for the white plummage, which seems reasonable, but this left the shaded area significantly underexposed. Significant underexposure makes recovery of detail very unlikely.
Unfortunately a camera sensor's dynamic range doesn't cover the extreme range of brightness that existed in this scene. You can properly expose the light parts, or the darks, but not both. Actually either choice is a bad one, expose for the lights and you lose detail in the darks(which is what happened here); expose for the darks and you lose the lights (they become clipped which means pure white with no detail). Yech! Actually this is the reason HDR was invented, since if you take more than one image with different exposures and combine them you can capture the full range.
You have two choices. Avoid shadows by shooting early or late in the day with the sun at your back, when the contrast tends to be lower (but not always) or shoot when there are clouds, overcast, smoke, fog, mist, anything to scatter the direct sunlight. This diffuses the light which lowers the contrast and the sensor can capture the full range of brightness. Hope I've been helpful. regards~Bill