Context I've looked at longer primes from Nikon 200mm/2, 400mm/2.8, etc but I've also seen Telezooms such as the Sigma 150-500 and Tamron 150-600. I know that primes are usually sharper than their ...
I have seen two metrics used to measure the sharpness of a camera: Perceptual megapixels, used on Dxomark. Number of lines the camera can resolve in a resolution chart. However, these two ...