Sony Alpha A6400 Review
We've aggregated 3 high-signal reviews and 1 live retailer price below.
Our editorial take on the Sony Alpha A6400
The Sony A6400 remains a strong contender in the APS-C mirrorless space, balancing enthusiast-level performance with accessible pricing. Reviewers consistently highlight its autofocus as a standout feature, with 425 phase-detection points, real-time Eye AF for humans and animals, and tracking that delivers professional-grade reliability at under $1,000. The 24.2-megapixel sensor produces excellent stills and 4K video (though capped at 30p), making it a versatile tool for hybrid shooters. The 180-degree tilting touchscreen is ideal for vloggers and solo creators, and the compact body keeps weight manageable at 403 grams.
Where the A6400 shows its compromises is in build and specs. There's no in-body stabilization, weather sealing, or mention of robust construction, so it's not a rugged field camera. Video shooters will notice the lack of 10-bit recording and 4K 60p, and the single UHS-I card slot limits redundancy. Battery life is modest at around 360-410 shots. But for creators prioritizing autofocus speed, hybrid capability, and portability, the A6400 punches well above its price class and continues to earn praise years after launch.
- Market-leading autofocus with 425 phase-detection points, real-time Eye AF, and tracking
- Excellent still image and 4K video quality from 24.2 MP APS-C sensor
- 180-degree tilting touchscreen ideal for vlogging and selfies
- Compact and lightweight body (403g)
- Strong value at $900
- No in-body stabilization (lens-based only)
- No weather sealing or rugged build features
- 4K video limited to 30p and 8-bit 4:2:0
- Single UHS-I card slot only
Synthesized by Geared editors from aggregated expert reviews.
Best reviews
The highest-signal reviews from creators and editorial blogs.
Editorial reviews
Sony's a6400 is a near-universally capable camera, with a market-leading autofocus implementation at a surprisingly modest price.
The Sony A6400 is a dream. Its still image quality is very good, its 4K video is even better, and its 180-degree screen and eye-detect AF are perfect for ...
The Sony a6400 is a camera that straddles the line between consumer and enthusiast, delivering automatic operation for family snapshots with the image quality ...
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About this product
Real-time tracking AF.
Specs
- Battery
- NP-FW50, approx. 410 shots (viewfinder), approx. 360 shots (LCD)
- Weight Grams
- 403 g (with battery and card)
- Dimensions Mm
- 120.0 x 66.9 x 59.7 mm
- Build Material
- Not specified
- Weather Sealing
- Not specified
- Bit Depth
- 8-bit 4:2:0
- Raw Video
- No
- Log Profiles
- S-Log2, S-Log3, HLG, HLG1-3
- Internal Codecs
- XAVC S, AVCHD (MPEG-4 AVC/H.264)
- Max Frame Rate 4k
- 4K 30p
- Max Frame Rate Hd
- 1080/120p
- Max Video Bitrate
- 100 Mbps
- Max Recording Time
- Approx. 29 min
- Max Video Resolution
- 4K UHD (3840x2160)
- Eye Point
- 23 mm from eyepiece lens
- Raw Format
- 14-bit RAW (Sony ARW 2.3)
- Color Space
- sRGB, Adobe RGB, TRILUMINOS Color
- Aspect Ratio
- 3:2
- Metering Type
- 1200-zone evaluative
- White Magic Lcd
- Yes
- Anti Dust System
- Charge protection coating, ultrasonic vibration
- Flash Sync Speed
- 1/160 sec
- Picture Profiles
- PP1-PP10
- Total Megapixels
- 25.0 MP
- Slow Quick Motion
- 1-120 fps (NTSC), 1-100 fps (PAL)
- Diopter Adjustment
- -4.0 to +3.0 m-1
- Flash Guide Number
- 6 (m at ISO 100)
- Interval Recording
- 1-60 sec intervals, up to 9999 frames
- Af Acquisition Speed
- 0.02 sec
- Metering Sensitivity
- EV-2 to EV20
- Multi Interface Shoe
- Yes
- Exposure Compensation
- +/- 5.0 EV
- Viewfinder Frame Rate
- 60/120 fps (NTSC), 50/100 fps (PAL)
- Focus Sensitivity Range
- EV-2 to EV 20
- Sensor Size
- APS-C (23.5 x 15.6 mm)
- Sensor Type
- Exmor CMOS
- Image Processor
- BIONZ X
- Low Pass Filter
- No
- Effective Megapixels
- 24.2 MP
- Release Date
- February 2019
- Announced Date
- January 2019
- Launch Price Usd
- $899.99
- Dual Native Iso
- No
- Iso Range Video
- ISO 100-32000 (AUTO ISO 100-6400)
- Iso Range Stills
- ISO 100-32000 (expandable to ISO 102400)
- Continuous Shooting
- 11 fps Hi+, 8 fps Hi, 8 fps silent
- Shutter Speed Electronic
- 1/4000 to 30 sec, Bulb
- Shutter Speed Mechanical
- 1/4000 to 30 sec, Bulb
- Viewfinder
- 0.39-type OLED EVF, 2,359,296 dots, 1.07x mag (0.70x equiv), 100% coverage
- Rear Screen
- 3.0-inch LCD touchscreen, 921,600 dots, tilting (180 deg up, 74 deg down)
- Touchscreen
- Yes
- Lens Mount
- Sony E-mount
- Crop Factor
- 1.5x
- Usb
- Multi/Micro USB
- Hdmi
- HDMI micro (Type-D), 4K 30p/25p/24p output, YCbCr 4:2:2 8-bit / RGB 8-bit
- Audio Io
- 3.5mm stereo mic input, built-in stereo mic, built-in monaural speaker
- Wireless
- Wi-Fi 802.11b/g/n (2.4 GHz), Bluetooth 4.1, NFC
- Card Slots
- 1x SD/SDHC/SDXC UHS-I, Memory Stick PRO Duo
- Ibis
- No (lens-based stabilization only)
- Af Points
- 425 phase-detection, 425 contrast-detection
- Af System
- Fast Hybrid AF (425-point phase-detection, 425-point contrast-detection)
- Af Low Light
- -2 EV
- Subject Detection
- Real-time Eye AF (human and animal), Real-time Tracking
Where to buy
Live prices from retailers. We earn a small commission when you click through - never affects ranking.
- B&H Photonew● In stockBest price$898Buy
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