The DJI Osmo Action 4K Camera is an action camera that is designed for video logging while skiing, surfing, biking, running, and underwater adventures. The Osmo 4K Action Camera sports a 12MP lens, with a bright f/2.8, that allows you to record up to 4K60 video with a wide, dynamic range. The Osmo 4K also enables time-lapse, hyperlapse, & slow-motion recording, while its "RockSteady Digital Video Stabilization" assists in reducing camera shake. The Osmo 4K, without waterproof housing, is waterproof in up to 36 ft of water, & features a touchscreen display on both the front, and back of the camera. A memory card slot is featured for the use of storing images and video on a compatible microSD, SDXC, or SDHC memory card.
Optics and Focus
The DJI Osmo Action 4K Camera is equipped with a wide lens, which features a bright maximum aperture of f/2.8, and sports a 145° angle of view. The ISO ranges from ISO 100-3200, while the shutter speed ranges from 120-1/8000th of a second.
Sensor and Screen
The Osmo 4K Action Camera is designed with a 1/.23" CMOS sensor, allowing it to record up to 4K60p video, and 12MP photos.ompact action camera with 1/2.3" CMOS sensor and wide f/2.8 lens that records up to 4K60p HDR video and 12MP photos. Both display screens are touchscreens, and have a screen locking switch, located on the side of the housing, to avoid accidentally changing settings. The rear display is a 2.25" touchscreen with 640 x 360 resolution, while the front display has 320 x 320 resolution. The "Quick Switch" button provides easy access to your settings and modes, and your settings allow you to flip between the front and rear screen as well.
Image and Video
With the DJI Osmo Action 4K Camera, you can capture images in up to 12MP resolution (in RAW or JPEG format), and if the camera is rotated 90° when taking stills, it will automatically switch to portrait mode. When recording video, the Osmo 4K can record up to 4K60p (or 1080p240 H.264 MOV, or MP4 video at up to 100 MB/s), and supports time-lapse, hyperlapse, & slow-motion modes. The High Dynamic Range support feature is helpful when recording in 4K30 format, and features a wide dynamic range, which helps to ease the transitions between light & dark. The "RockSteady Electronic Image Stabilization" feature assists with stabilizing footage in standard recording modes (with 18-22% crop factor). The RockSteady feature is enabled in all video modes, except for time-lapse, hyperlapse, & slow-motion. Slow-motion mode records up to 240 fps, with a maximum ISO of 3200.
- Voice Commands: 5 included voice commands (filming/capturing photos/powering down, etc.).
- Dual Microphones: Includes noise reduction technology/dual speakers (external microphone is optional via the USB Type-C input)
- SnapShot: DJI app that allows remote shutter access/image & video share.
- Battery Charging Time: Charge to 70% in 30 minutes with a separately available fast-charging adapter.
- Compatible Media: microSD/SDXC/SDHC cards, UHS-I compatible (cards with 30 MB/s write speed or higher recommended).
- Mimo: app on iOS/Android using Bluetooth/Wi-Fi.