In this battle of 300mm f/2.8 lenses, we compare Sigma's prime against its
sibling fixed aperture zoom to see which one you'll want for your camera bag.
This is a 100% view of the pixel detail with Sigma 300mm f/2.8 Prime on the
Canon 5D straight from Adobe Camera RAW. No resampling, sharpening or any
other image adjustments were applied to the image.