The Canon EOS 5D Mark IV has a higher still image resolution than most waterproof cameras that came out around the same time as it. This camera has a 1920 x 1280 still image resolution(s), whereas most waterproof cameras that are a comparable age to it have a 640 x 480 still image resolution(s). In addition, this Canon digital camera have still image resolution(s) of 6720x4480, 4464x2976, 3360x2240, 1696x1280, 640x480, 5952x4480, 3968x2976, 2976x2240, 1920x1280, 720x480, 6720x3776, 4464x2512, 3360x1888, 1920x1080, 720x408, 4480x4480, 2976x2976, 2240x2240, 1280x1280 and 480x480 and 5040x3360.
A 1920 x 1280 still image resolution(s) is in fact the best still image resolution amongst all comparable spec digital cameras that have been available for the last year.
Amongst comparable types of digital camera the worst still image resolution is 640 x 480.