Spoiler alert! The Nikon Zf is the largest and heaviest of the three cameras and the Lumix S9 is the lightest and smallest. But a camera body is only as compact as the lenses you mount on it.

The HERO is the company’s smallest, lightest, and most affordable 4K camera. It weighs just 86 grams and includes built-in mounting fingers. It is 35% smaller and 46% lighter than the flagship ...