![]() (Note that these shots were taken at ISO 200 as ISO 100 is an extended setting with inferior dynamic range.) Noise in all but the deepest shadows is however very low for a Micro Four Thirds camera. The Far-field shot has good exposure at default settings and almost no blown highlights, though there are some deep shadows. Default contrast is a bit high, but despite the bright appearance there are very few blown highlights in the mannequin's shirt and flowers, which is much better than average. The Olympus E-M1 required an average amount of positive exposure compensation (+0.7 EV) to keep facial tones reasonably bright. Skintones are good but slightly warm with the Auto white balance setting in our "Sunlit" Portrait shot, so we preferred Manual white balance, though it too is a touch warm. Outdoors, the Olympus E-M1 performed very well, with pleasing colors and good exposure. Natural looking colors overall, with good exposure. (Our test lighting for this shot is a mixture of 60 and 100 watt household incandescent bulbs, a pretty yellow light source, but a very common one in typical home settings here in the U.S.) The Olympus E-M1 required an average amount of positive exposure compensation here, at +0.3 EV. The Manual setting is the most accurate, providing a nearly neutral color balance that is just slightly on the cool side. Results with the Incandescent setting are actually pretty good, just a little warm, while the 2,600 Kelvin setting is quite cool with an obvious blue-green tint. Indoors, under normal incandescent lighting, color balance is very warm with the Auto white balance setting, with a strong orange cast. Warm color cast with Auto and cool with 2,600K white balance settings, but good color with Incandescent and Manual. See thumbnails of all test and gallery images See full set of test images with explanations Click on any thumbnail above, then click again to see the full-sized image. The table above shows results with the default as well as the two extreme saturation settings. As can be seen below, the saturation adjustment is effective, covers a useful range, and does a good job of not impacting contrast, though it boosts red and orange a little more than other colors. The Olympus E-M1 lets you adjust the image saturation, contrast, and sharpness in five steps each. ![]() (The shift from cyan to blue is much less pronounced than most cameras, leaving sunny sky colors a little warmer than most.) Overall hue accuracy is very good with a Delta-C color error after correction for saturation of 4.25 at base ISO, which is better than average, and hue accuracy remains better than average across the ISO sensitivity range. The Olympus OM-D E-M1 does shift cyan toward blue, light green toward yellow, and oranges toward yellow, but shifts are fairly minor. ![]() Where oversaturation is most problematic is on Caucasian skin tones, as it's very easy for these "memory colors" to be seen as too bright, too pink, too yellow, etc. The Olympus E-M1 does fairly well here, producing natural-looking Caucasian skin tones, just slightly on the warm side. This is simply because most people like their color a bit brighter than life. Most consumer digital cameras produce color that's more highly saturated (more intense) than what's found in the original subjects. Saturation remains fairly stable across the ISO range, except at ISOs 12,800 and 25,600 where it falls off noticeably. Default saturation at base ISO is 107.4% (7.4% oversaturated), which is just a bit lower than average but still brighter than actual. ![]() The Olympus E-M1 pushes reds by a fair amount and a few other colors by a small amount, but most colors are pretty close to accurate in terms of saturation. Mouse over the links above to compare ISOs, and click to view a larger version. Thus, hue-accurate, highly saturated colors appear as lines radiating from the center. Hue changes as you travel around the center. More saturated colors are located toward the periphery of the graph. In the diagram above, the squares show the original color, and the circles show the color that the camera captured. ![]()
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