![]() ![]() At ISO 1600, the measured MTF50 of 741 line pairs per picture height in high contrast compares fairly well to 522 line pairs per picture height in low-contrast parts of a scene.At ISO 200, MTF50 is similar in high- and low-contrast parts of a scene (978 line pairs per picture height at high contrast, 799 at low contrast).Although MTF50 of images shot of high-contrast scenes declines with each step upwards in ISO, the difference at lower ISOs is not great (978 line pairs per picture height at ISO 200, 897 at ISO 400, 741 at ISO 1600, 753 at ISO 3200, dropping to 523 at the highest native ISO of 6400).Relatively many artifacts are produced by the Olympus OM-D E-M10 Mark III, more than by its predecessor.The vertical pink line is a reference representing half the number of pixels in the sensor height (the Nyquist frequency). The limiting resolution for each ISO can be found by identifying to the highest spatial frequency which results in a contrast of 0.1, or where the ISO curve crosses the thicker horizontal thicker black line marking 0.1. The further to the right a curve stretches before descending, the better the resolution at that ISO. This graph shows the loss of contrast (y-axis) as a function of the spatial frequency in line pairs per picture height (x-axis) for different ISO-sensitivities (colored lines). At the highest ISO tested (ISO 25600), the Olympus OM-D E-M10 Mark III uses 73 percent of its sensor (1269 lines pairs per picture height), compared to 65 percent (1116 line pairs per picture height) in its predecessor.Better than the Mark II, which captured 1535 line pairs per picture height at ISO 400 (89 percent of the sensor), and 1521 at ISO 3200 (88 percent). ![]() ![]() At ISO 400, the Mark III uses 95 percentof the theoretical maximum (1649 line pairs per picture height), at ISO 3200, 91 percent (1568 line pairs per picture height), and at ISO 6400, 85 percent (1476 line pairs per picture height).Better than the OM-D E-M10 Mark II, which captured 1623 line pairs per picture height at ISO 200, 94 percent of the theoretical maximum.16 Megapixel sensor which is fully used at the lowest ISO of 200 (100 percent of the theoretical maximum 1725 line pairs per picture height).The Olympus OM-D E-M10 Mark III will be available in a black and silver body or black body for $650 or for $800 with the M.Zuiko 14–42mm EZ lens. new Bleach Bypass option in the Art filter menu.programmable Shortcut button, plus two customizable function buttons.It can also compile 4K time-lapse movies in camera. On the video front, the Mark III can record 4K (3840 x 2160) at 30p or 24p and full HD at 60p. You’ll enjoy continuous shooting of up to 8.6fps with focused fixed on the first frame. There are 121 AF points with touch-focusing capability on the 3-inch, tilting display. The camera’s in-body, 5-axis stabilization system is good for up to four stops of correction, per CIPA standards. The OM-D E-M10 Mark III sports a 16-megapixel image sensor with a native ISO range of 200-25,600 (with an ISO 100 LOW setting). Full res files of every visual in this review are available to download for your pixel-peeping pleasure here. See here for a full methodological rundown of how Image Engineering puts cameras through their paces. Rangefinder is a member of the Technical Image Press Association which has contracted with Image Engineering to perform detailed lab tests of digital cameras. ![]()
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