The megapixel race is not yet been declared officially over, but basically have the manufacturer of cameras with APS-C sensors on leveled from 12 to 16 MP. United are not the differences in resolution in this area. The more astonishing acts as the announcement of Sigma, to fight the same 46 MP APS-C from a small chip out. This is a known from Sigma and quite interesting trick:
Sigma uses a sensor faveon, which consists of three layers. These different layers filter the light according to the colors red, green and blue, so each color is recorded by a different position on the sensor. Thus, the light waves on the entire surface of the sensor are recorded. In conventional sensors, the pixels are for the respective colors next to each other, share, therefore, the entire sensor surface.
According to the Sigma Foveon technology ensure that the colors are better and sharper the image as a whole. As the technology at the high number of pixels then the effect on image noise, but you will have to see. The Sigma lacks a Live View option on the display, which may be related with the new sensor. The camera is protected against water and has 11 cross-type sensors for the auto focus.
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