Although the Lumix DC-TS7 includes an electronic viewfinder and can dive more than 100 feet underwater, it doesn't quite rise to the level of the competition.
Useful electronic viewfinder; Captures 4K video at 30 fps; Manual exposure features; Excellent waterproof locking system; Claims to be waterproof to a depth of 102 feet
Narrower wide angle than most; Slight but noticeable shutter lag; Struggles in low-light settings; Bigger and heavier than others in its class; Maximum apertures aren't as wide as competitors' models