Think Otus for High-Res Sensors
Think Otus, that is Zeiss Otus for sensors with resolution approaching 50 megapixels. It’s the 'glass' that makes the difference, and that is true even though there is far more than resolving power involved. Lenses are the investment; the camera is the accessory.
See the reviews of the Zeiss Otus 55/1.4 APO-Distagon and Zeiss Otus 85/1.4 APO-Planar in Guide to Zeiss.