The Lumix DMC-ZS50 supports a maximum video resolution of 1920 x 1080 pixels. That's over six times the video resolution of the most frequently found video resolution of 640 x 480 pixels. A video resolution of 1920 x 1080 pixels is equivalent to Full HD video. You will require a Full HD TV or better to appreciate this level of detail.
This camera's video resolution (1920 x 1080 pixels) is in fact the best supported video resolution across all cameras of this age and spec.
Across comparable types of camera the worst supported video resolution is 320 x 240 pixels.