DJI Osmo Action 4 review

A small black camera on a faded wooden table. The left half of the camera is a simple digital screen. On the right side of the camera is the round lens and beneath that is the 'ACTION 4' branding.

Key specs:

Camera: 1/1.3-inch sensor / f/2.8 / 155° FOV

Video resolution: 4K, 2.7K, 1080p

Frame rates: 4K up to 60FPS, 2.7K up to 120FPS, 1080p up to 240FPS

Slow motion: 4K up to 120FPS, 2.7K up to 120FPS, 1080p up to 240FPS

Dimensions: 2.77 x 1.74 x 1.29 in (70.5 x 44.2 x 32.8 mm)

Weight: 5.11 oz (145 g)

Compatible with: Larger FPV drones

Action cameras are an essential element for FPV drones because, in the majority of cases, these drones require an additional camera for capturing video. And although DJI are best-known for manufacturing many of the best camera drones available, the world's leading drone manufacturer is also a heavyweight when it comes to the world of action cameras.