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What is the maximal MPX resolution for APS-C cameras?

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  • Anonymous
    2 months ago

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  • Anonymous
    2 months ago

    It does not matter. Why? Because no lens can resolve enough lines per mm to take advantage of the megapixel count of APS-C cameras being sold currently.  So, when megapixel count is increased, sharpness of the photo does not increase. Instead the increase in megapixel count is done at the expense of pixel size. The smaller pixel means higher signal to noise ratio, because noise level is pretty much fixed, and the smaller pixel means less light energy is captured. That means the electrical signal that will result will be lower in amplitude. Less signal and the same noise level means a higher signal to noise ratio. 

    That means the picture will look grainier, not sharper. To reduce the noise, the software inside the camera may use noise reduction algorithms. That means to make the picture look cleaner, the noise and some of the signal will be erased and the picture may actually be less sharp.  That in turn means that if a person wants a sharper picture by having more megapixels, it is necessary to buy a camera with a larger sensor, such as full frame or even medium format. Of course not all people like full frame cameras. They think that full frame cameras are bigger and heavier (false) that full frame camera lenses are bigger and heavier (false) and that full frame cameras require sharper lenses than APS-C cameras (false). For these people, their idea of upgrading is to buy another APS-C camera with more megapixels every few years. Because there are so many of these people in the consumer market, camera makers will gladly give them what they want, and keep selling APS-C models with more and more pixels. These cameras aren't cheap either even though the APS-C sensor is dirt cheap to make. Many of them are close to the price of entry level full frame models. As some people said, there is a sucker born every minute, and many of these suckers buy APS-C cameras with lots of megapixels. 

  • 2 months ago

    Maximal as in theoretical maximum?  At least 500 if you look at the pixel density of some phone cameras.  I don't see something like that being made though - who'd buy it?  The only people who could use 500Mpx would be professional fashion and landscape photographers, and they'd use full frame or medium format cameras rather than APS-C.

  • 2 months ago

    The following webpage states:

    "Canon's 32MP chip marks the end of the 24MP APS-C era".

    This was the sensor used in the Canon EOS 90D.  It does NOT, however, mean that higher capacity sensors aren't already, or won't, be developed.

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