While mirrorless cameras have been closing the gap, DSLRs remain the best choice for wildlife photography. The availability of extreme telephoto lenses, AF performance, fast continuous shooting rates and high ISO capabilities are all advantages for capturing animal interactions and behavior. Full Frame or APS? Telephoto reach is the most important requirement for wildlife photography, bringing you close to subjects without disturbing them. While full-frame cameras are in some respects superior to APS-C models, for wildlife photography, the magnification factor of a smaller sensor enhances telephoto reach. For example, comparing a 20-megapixel full-frame camera with a 20-megapixel APS-C camera, the APS-C model will give you approximately 1.5x magnification of your lens’ focal length, making a 400mm lens equivalent to a 600mm lens. Keep in mind that this is only true if you’re comparing two cameras with the same resolution, as a full-frame image from a higher-resolution camera can be cr..