Justin Eastzer is a CNET Perspectives Contributor and former CNET host. Prior to CNET, he worked in Hollywood in TV development and on shows like America's Got Talent. As the founder of Diabetech, he ...

DJI has announced the Osmo Action 4 action camera, the successor to the Osmo Action 3 and one of the key alternatives to the GoPro Hero 11 Black. Is it the greatest action camera is its class to date?