Originally Posted by peety3
I disagree. In ample light, a small sensor with more pixels has higher resolution than a large sensor with fewer megapixels. The 50D puts out images with more detail than the 5D1, for example. Noise and dynamic range, though, are of course better with the larger sensor (number of megapixels has nothing to do with it).
Originally Posted by peety3
Not necessarily. If you're using the fastest, longest lens you can afford (or carry), then all the systems get the same amount of light falling on the sensor. That's why I brought up sports and wildlife photographers, because they will benefit the most from a 1.6X pro system.
Originally Posted by peety3
If that were the case then it would be the other way around, as the 1Ds3 with the same exposure has less noise.