Sony a6400 Overview
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| I own it | I want it | I had it |
The Sony a6400 is a midrange mirrorless camera with a 24.2MP APS-C sensor. The biggest feature is undoubtedly its autofocus system, which offers 425 phase-detect points, 'Real-time Eye AF' (that work on animals too, via a Summer firmware update) and 'Real-time tracking' for moving subjects. The a6400 can shoot bursts at 11 fps with continuous AF.
The design is largely unchanged from the a6300, with Sony claiming improved build quality. The a6400 has the same OLED EVF as the a6300 as well as a touch-enabled tilting LCD. The camera can shoot 4K/30p video with full pixel readout and no pixel-binning, so we expect quality to be excellent. Three log profiles are supported: S-Log2, S-Log3 and HLG, and the a6400 also offers zebra functionality, gamma display assist and proxy recording.
| Body type | Rangefinder-style mirrorless |
| Max resolution | 6000 x 4000 |
| Effective pixels | 24 megapixels |
| Sensor size | APS-C (23.5 x 15.6 mm) |
| Sensor type | CMOS |
| ISO | Auto, 100-32000 (expands to 102800) |
| Lens mount | Sony E |
| Focal length mult. | 1.5× |
| Articulated LCD | Tilting |
| Screen size | 3″ |
| Screen dots | 921,600 |
| Max shutter speed | 1/4000 sec |
| Format | MPEG-4, H.264 |
| Storage types | SD/SDHC/SDXC/Memory Stick DUO (UHS-I compliant) |
| USB | USB 2.0 (480 Mbit/sec) |
| Weight (inc. batteries) | 403 g (0.89 lb / 14.22 oz) |
| Dimensions | 120 x 67 x 60 mm (4.72 x 2.64 x 2.36″) |
| GPS | None |
The Sony a6400 is a near-universally capable midrange camera that offers some of the best autofocus performance we've ever seen, backed up by solid image and video quality in most situations. We'd really like to see some further refinement on ergonomics, as Sony has done with its full-frame models over the years, but the a6400 remains an excellent option for a variety of types of photography.
Good for: Family and social photography, fast action and sports, world travelers and anyone looking for the best autofocus bang-for-your-buck.
Not so good for: Those photographers seeking a more engaging or more fun shooting experience, those with larger hands and shooters that need consistently pleasing auto white balance in their JPEG shooting.
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