Sony a6400 Mirrorless Camera
The Sony a6400 is a 24.2MP APS-C mirrorless camera — with 4K video. Used copies start from $797.69 on GearFocus, with buyer protection on every purchase.
Sony a6400 Mirrorless Camera
Used Sony a6400 Listings on GearFocus
Camera Overview — Sony a6400
Key Features — Sony a6400
24.2MP APS-C Sensor: Delivers 6000x4000 pixel images with a 1.5x crop factor, suitable for both stills and video capture.
425-Point Hybrid AF: Combines phase-detection and contrast-detection across 425 points for fast, accurate focus across the frame.
Real-Time Eye Tracking: Eye Detection AF works on humans and animals, keeping subjects sharp even when they move unpredictably.
11fps Burst Shooting: Continuous shooting at up to 11 frames per second makes it practical for capturing fast-moving subjects.
4K Video with S-Log: Records 4K at up to 30fps with S-Log2, S-Log3, and HLG profiles, giving editors meaningful latitude for color grading.
Tilting Touchscreen LCD: The 3.0-inch, 921,600-dot screen tilts 180 degrees upward, making it useful for vlogging and self-facing shots.
Camera Specifications — Sony a6400
| Spec | Detail |
|---|---|
| Use Cases | Portrait, Landscape, Travel, Vlogging / YouTube, Beginner-Friendly |
| Type | Mirrorless |
| Sensor | APS-C |
| Resolution | 24.2MP |
| Processor | BIONZ X |
| ISO Range | 100 – 32000 |
| AF System | Hybrid (Phase + Contrast), Eye Detection AF, Face Detection AF, Animal Detection AF |
| AF Points | 425 |
| Max Photo Resolution | 6000x4000 |
| Burst Rate | 11 fps |
| Max Video Resolution | 4K |
| Max Frame Rate | 30fps |
Description — Sony a6400
The Sony a6400 mirrorless camera features a 24.2MP APS-C sensor processed by a BIONZ X image processor, delivering stills at a maximum resolution of 6000x4000 pixels. Burst shooting reaches 11 fps, supported by a 425-point hybrid autofocus system that combines phase and contrast detection. The AF suite includes Eye Detection AF, Face Detection AF, and Animal Detection AF with subject tracking, covering a wide range of shooting scenarios.
ISO sensitivity spans 100 to 32000. For video, the camera shoots 4K at up to 30fps, with frame rate options of 24fps and 30fps, and supports S-Log2, S-Log3, and HLG color profiles at 8-bit depth. Monitoring and composition are aided by a 3.0-inch LCD at 921,600 dots and an electronic viewfinder at 2,359,296 dots refreshing at 60Hz.
The magnesium alloy body weighs 403g and measures 120 x 66.9 x 59.7mm. Connectivity covers Wi-Fi, Bluetooth, USB-C, Micro HDMI, and a 3.5mm microphone jack. Storage uses SD, SDHC, or SDXC cards, and the camera runs on an NP-FW50 battery rated at approximately 360 shots.
The lens mount is Sony E, and the hotshoe is a Sony Multi Interface Shoe. Note that no image stabilization is present in the body.
Pros — Sony a6400
- ✓425-point hybrid autofocus system with Eye Detection, Face Detection, and Animal Detection AF provides broad subject tracking coverage
- ✓11 fps continuous burst shooting enables capture of fast-moving action
- ✓4K video at up to 30fps with S-Log2, S-Log3, and HLG color profiles offers meaningful flexibility for color grading
Cons — Sony a6400
- ✗No in-body or digital image stabilization, so optical stabilization depends entirely on the attached lens
- ✗Video is limited to 8-bit color depth, which constrains post-production flexibility
- ✗No weather sealing, which limits use in adverse conditions
Reviews — Sony a6400
Videos — Sony a6400
Sony A6400 in 2025 | Watch Before You Buy — Tech Through The Lens
Frequently Asked Questions — Sony a6400
What autofocus features does the Sony a6400 offer?+
The a6400 uses a hybrid autofocus system combining phase-detection and contrast-detection across 425 focus points. It includes Eye Detection AF, Face Detection AF, and Animal Detection AF, all with subject tracking enabled.
Can the Sony a6400 record 4K video, and what color profiles are available?+
Yes, the a6400 records 4K video at up to 30fps, with 24fps also supported. Available color profiles include S-Log2, S-Log3, and HLG. All video is captured at 8-bit color depth.
Does the Sony a6400 have image stabilization?+
No. The a6400 has no in-body optical image stabilization and no digital image stabilization. Any stabilization would need to come from a stabilized lens attached via the Sony E mount.
What storage and connectivity options does the Sony a6400 support?+
The a6400 accepts SD, SDHC, and SDXC memory cards. Connectivity includes Wi-Fi, Bluetooth, USB-C, standard USB, Micro HDMI output, and a 3.5mm microphone jack. There is no headphone jack.
What lenses are compatible with the Sony a6400?+
The a6400 uses the Sony E mount, as listed in the specifications. It also features a Sony Multi Interface Shoe for compatible flash and accessory attachment.
What is the build quality of the Sony a6400?+
The body is constructed from magnesium alloy and measures 120 x 66.9 x 59.7mm with a weight of 403g. The camera has no weather sealing, so it is not rated for use in wet or dusty conditions.