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Message:: [QUOTE="KurtS, post: 2079714, member: 11786"]That's an image size of 8688 x 5792pixels--wow! <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie8" alt=":D" unselectable="on" unselectable="on" /> So, with a 24 x 36 sensor, that means each sensor pixel is only about 4 microns square. With such high resolution, ie small pixels, you're going to run into diffraction-limited sharpness that much sooner. In other words, you will need your lens set to a larger aperture to get maximum sharpness, which may also affect depth of field for macro shots. That's not even taking into effect that many lenses don't have "perfect" optics. So for my 60mm macro lens on my Nikon, it probably gets the best detail I can hope for at a maximum of f8-9. I also have the Nikkor 105 macro, which isn't nearly as sharp--I don't think it uses all the pixels in my camera. Well, that's a lot of technical mumbo-jumbo, but suffice to say a 50mpx camera would be really tricky to actually capture that much detail. If you don't have the best lenses and everything else set perfectly, you may be paying for pixels you might not actually use. <a href="http://www.cambridgeincolour.com/tutorials/diffraction-photography.htm" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.cambridgeincolour.com/tutorials/diffraction-photography.htm" rel="nofollow">Here's an article that explains diffraction-limited photography. </a>[/QUOTE]