
DJI 4K/120fps Waterproof Action 4 Camera With a 1/1.3" Sensor
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Our take on the DJI 4K/120fps Waterproof Action 4 Camera With a 1/1.3" Sensor
The DJI Osmo Action 4 is a rugged action camera built around a 1/1.3-inch sensor that shoots 4K at up to 120fps and goes underwater without a case. Its headline trick is a magnetic quick-release mount that snaps between horizontal and vertical framing, plus dual touchscreens for vlogging. Against the GoPro Hero 12 Black it trades some stabilization polish and hyperlapse extras for better low-light image quality and a simpler mounting system. It suits vloggers, divers and riders who want clean footage in dim conditions more than the widest feature list.
- Large 1/1.3-inch sensor holds up in dim light
- 4K at 120fps for slow motion
- Waterproof to 18m without a case
- Magnetic mount flips quickly between orientations
- Front and rear touchscreens
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What reviewers say
Owners rate the Osmo Action 4 highly for image quality in low light and for its magnetic mounting. Reviewers say stabilization is good but not class-leading, and that the app and menu system take getting used to.
- Low lightPraisedOwners say the large sensor keeps footage usable where smaller action cameras turn noisy.
- StabilizationMixedReviewers find stabilization smooth in normal use but weaker than GoPro under heavy vibration.
- MountingPraisedThe magnetic mount is called fast and secure, and easy to flip between horizontal and vertical.
Questions and answers
- Is the Osmo Action 4 waterproof without a case?
- Yes. The body is rated waterproof to 18 meters, so you can dive and snorkel without a housing. Rinse it in fresh water after saltwater use.
- How does it compare with the GoPro Hero 12 Black?
- The DJI has the larger sensor and better low-light footage, and its magnetic mount is quicker to switch orientation. The GoPro offers stronger stabilization and more creative modes.
- Does it shoot vertical video?
- Yes. The magnetic mount lets you turn the camera on its side, and the menus rotate, so you can shoot vertical for social media without cropping later.
- What frame rates can it record?
- It records 4K at up to 120fps for slow motion, and lower resolutions at higher frame rates. Expect shorter battery life at the top settings.
- Can I use it as a webcam?
- Yes. It can work as a USB webcam when connected to a computer, which suits streaming and video calls.
- Does it have image stabilization?
- Yes, it has electronic stabilization and a horizon-leveling mode. It handles walking and riding well, but hard vibration can still show some wobble.


















