Three years after the 80D impressed us as the "mid-range master" of the DSLR market, its follow-up, the 90D, continues down much the same line. No, it doesn't reinvent the wheel, maintaining that solid autofocus system, but the significant bump in resolution and burst shooting does make it an...
Vari-angle screen is very useful; Capable autofocus system for still and moving subjects; Video capture is now 4K capable; High-resolution images are miles beyond casual cameras/phones
Single SD card slot; No in-body stabilisation; Autofocus points don't always illuminate; High resolution can mean caution when shooting any moving subject; Limited autofocus options in live view mode