Sony Alpha a6400 Mirrorless Digital Camera (Body Only)

Model: ILCE-6400/B

Sony Warranty - USA Version
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Viewfinder Size 0.39"
Viewfinder Magnification Approx. 1.07x
Viewfinder Coverage 100%
Viewfinder Eye Point 23.00 mm
Viewfinder Pixel Count 2,359,296
Viewfinder Type Electronic
Display Screen 3" Rear Screen Tilting Touchscreen LCD (921,600)
Diopter Adjustment -4.0 to +3.0 m


Operating Temperature 32 to 104°F / 0 to 40°C
AC Power Adapter AC-UUE12 (Included)
Battery 1 x NP-FW50 Rechargeable Lithium-Ion Battery Pack, 7.2 VDC, 1080 mAh


Weight 14.22 oz / 403 g (with battery and memory card)
Dimensions (W x H x D) 4.7 x 2.6 x 2.4" / 120.0 x 66.9 x 59.7 mm


Connectivity 1/8" Microphone, HDMI D (Micro), USB 2.0 Micro-B, Wired Remote Port
Self Timer 2, 5, 10 Seconds
Interval Recording Yes
Wi-Fi Capable Yes


Max Resolution 24 MP: 6000 x 4000
Aspect Ratio 3:2, 16:9
Sensor Type / Size CMOS, 23.5 x 15.6 mm
Camera Format APS-C (1.5x Crop Factor)
Image Stabilization None
Memory Card Type SDSDHCSDXCMemory Stick Pro DuoMemory Stick PRO HG-DuoMemory Stick Micro (M2)
Dust Reduction System Yes
Bit Depth 14-Bit
File Formats Still Images: JPEG, RAWMovies: AVCHD 2.0, MP4, XAVC SAudio: AC3, Dolby Digital 2ch, Linear PCM
Lens Mount Sony E-Mount
Pixels Actual: 25 MegapixelEffective: 24.2 Megapixel

Focus Control

Autofocus Points Phase Detection: 425Contrast Detection: 425
Focus Type Auto & Manual Focus
Focus Mode Automatic (A), Continuous-Servo AF (C), Direct Manual Focus (DMF), Manual Focus (M), Single-servo AF (S)


Dedicated Flash System TTL
External Flash Connection Hot Shoe, Wireless
Flash Modes AutoFill-InHi-Speed SyncOffRear SyncRed-Eye ReductionSlow SyncWireless
Built-in Flash Yes
Guide No. 19.69' / 6 m ISO100
Max Sync Speed 1 / 160 Second
Flash Compensation -3 EV to +3 EV (in 1/3 or 1/2 EV steps)

Exposure Control

Exposure Modes Modes: Aperture Priority, Auto, Intelligent Auto, Manual, Movie, Program, Scene Selection, Shutter Priority, Superior Auto, Sweep PanoramaMetering Range: EV -2.0 to EV 20.0Compensation: -5 EV to +5 EV (in 1/3, 1/2 EV Steps)
Buffer/Continuous Shooting Up to 11 fps at 24.2 MP for up to 46 Frames in Raw FormatUp to 11 fps at 24.2 MP for up to 116 Frames in JPEG FormatUp to 11 fps at 24.2 MP for up to 115 Frames in JPEG FormatUp to 11 fps at 24.2 MP for up to 99 Frames in JPEG Format
Remote Control RMT-DSLR2 (Optional)
Shutter Type: Electronic & MechanicalSpeed: 30 to 1/4000 Second , Bulb Mode
ISO Sensitivity 100 to 32000 (Extended Mode:100 to 102400)
Metering Method Average Metering, Center-Weighted Average Metering, Multi-Zone Metering, Spot Metering, Highlight Weighted
White Balance Modes Auto, Cloudy, Color Temperature, Color Temperature Filter, Custom, Daylight, Flash, Fluorescent (Cool White), Fluorescent (Day White), Fluorescent (Daylight), Fluorescent (Warm White), Incandescent, Shade, Underwater

AV Recording

Aspect Ratio 16:9
Audio Recording Built-In Mic: With Video (Stereo)Optional External Mic: With Video (Stereo)
Video Recording Yes, NTSC/PAL
Video Format 3840 x 2160p at 24/25/30 fps (100, 60 Mb/s XAVC S)1920 x 1080p at 100/120 fps (100, 60 Mb/s XAVC S)1920 x 1080p at 24/25/30/50/60 fps (50 Mb/s XAVC S)1920 x 1080p at 50/60 fps (25 Mb/s XAVC S)1920 x 1080p at 25/30 fps (16 Mb/s XAVC S)1920 x 1080i at 50/60 fps (24, 17 Mb/s AVCHD)
Expert Reviews
Pc magazine.34972991
27 February 2019

The Sony a6400 is a camera that straddles the line between consumer and enthusiast, delivering automatic operation for family snapshots with the image quality and speed aficionados love.

  • +

    Compact build. 24MP APS-C image sensor. Quick, accurate autofocus. 11fps continuous drive. Large, sharp EVF. Selfie LCD. Built-in flash and hot shoe. 4K video without recording limit.

  • -

    Omits in-body image stabilization. Flip-up screen not ideal for vloggers. Some operational frustrations. External charger not included. Only full-frame lenses are weather sealed. UHS-I card slot.

23 January 2019

Artificial Intelligence gives the A6400 a huge leap forward in autofocus performance.

  • +

    Great new autofocus system, Solid image quality across the board, Expanded ISO range up to 102,600, 180-degree flip screen, Very good value for the price

  • -

    No in-body image stabilization, AF performance depends on lens used, Some frustrating user interface elements

Camera labs.32824899
23 January 2019

Sony’s A6400 is a solid mid-range mirrorless camera with an APSC sensor delivering good quality 24 Megapixel photos and 4k video. Improvements to the autofocus system mean it’ll track and stay focused on subjects more successfully than any camera at its price point whether you’re shooting stills or...

2 weeks ago

Sony’s A6400 is a mixed bag. It’s essentially a rebadged A6300 with the same sensor and thus the same image quality, but a new a flip-up screen. It’s not as good a vlogging or video camera as we expected, because it lacks in-body stabilization and has terrible rolling shutter.

Digital camera world.35029809
27 February 2019

The technical advances are dazzling, but do they matter?...

  • +

    180-degree screen for vlogging, Terrific if complex AF, Very good image quality

  • -

    Limited external controls, Interminable menu system, Dated rear screen and EVF

The phoblographer.34645560
16 January 2019

By finally including a tiltable touch screen capable of facing the front of the camera, it’s apparent that Sony designed the A6400 with vloggers in mind. While we’ve only gotten to spend a few hours with the A6400 so far, the camera definitely felt very responsive in terms of general operation as...

Photography blog.34969604
2 weeks ago

The new Sony Alpha A6400 is a camera with something of a split personality. On one hand it has the best AF system that Sony offers on any of their cameras, including the much more expensive full-frame models, but on the other it inherits the now dated design of the original A6000 model with its...

Techradar uk.32817471
4 February 2019

You could be forgiven for thinking that the Alpha A6400 is a minor upgrade over the A6300, and in many ways it is. But it's the upgraded and highly advanced autofocus that really shines here, even more so given that it's on a camera costing under $1,000 / £1,000.

  • +

    Highly advanced autofocus, Decent burst shooting speed, Bright viewfinder, Good video features, Good value for the spec

  • -

    No built-in image stabilization, No headphone jack, 16:9 aspect ratio screen

User Reviews
4 days ago

My Nex 7 did everything I thought I needed, but Sony’s mirrorless cameras have moved on. The a6400 does everything so much better, and some new things too. Focussing is so fast, quality so high ... brilliant. A little chunkier, but still compact and good for travel.

6 days ago

Bought a couple of weeks ago after using a fugi Menu system confusing and not selectable on touch screen. Flip up screen could be improved upon as fouls mic and eye piece - battery life not brill but all in reasonable value for features and looking forward to some rewarding results

Product Highlights
  • 24.2MP APS-C Exmor CMOS Sensor
  • BIONZ X Image Processor
  • Real-Time Eye AF & Real-Time Tracking
  • XGA Tru-Finder 2.36m-Dot OLED EVF
  • 3.0" 921.6k-Dot 180° Tilting Touchscreen
  • Internal UHD 4K Video, S-Log3, and HLG
  • S&Q Motion in Full HD from 1-120 fps
  • Built-In Wi-Fi with NFC
  • 425 Phase- & Contrast-Detect AF Points
  • Up to 11 fps Shooting and ISO 102,400
Average Expert Score
Average User Score
In The Box
  • Sony Alpha a6400 Mirrorless Digital Camera (Body Only)
  • NP-FW50 Lithium-Ion Rechargeable Battery (1020mAh) aeutrrtwwvax
  • AC Adapter
  • Power Cord
  • Shoulder Strap
  • Body Cap
  • Accessory Shoe Cap
  • Eyepiece Cup
  • Micro-USB Cable
  • Limited 1-Year Warranty
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