Sony Alpha a6400 Mirrorless Digital Camera (Body Only)

Sony Alpha a6400 Mirrorless Digital Camera (Body Only)

Sony Alpha a6400 Mirrorless Digital Camera (Body Only)

B&H # SOA6400B MFR # ILCE-6400/B
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Sony Alpha a6400 Mirrorless Digital Camera (Body Only)

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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
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Sony A6400 Overview

  • 1Description

Stable, fast, versatile, and compact, the Alpha a6400 from Sony is an APS-C-format mirrorless camera that adopts many of the features normally reserved for their full-frame lineup. This includes an autofocus acquisition of 0.02 seconds, Real-time Eye AF and Real-time Tracking capabilities, high-speed shooting up to 11 fps and silent shooting up to 8 fps, both with AF/AE tracking, an upgraded BIONZ X image processing engine, an LCD touchscreen that tilts 180° up and 74° down, UHD 4K movie recording with full pixel readout and no pixel binning, internal recording for time-lapse videos, and more.

The a6400 is well-suited for both photo and video creators, ranging from professionals to vloggers. Revolving around a 24.2MP Exmor CMOS sensor and BIONZ X image processor, clean image quality is provided with a wide expandable sensitivity range of ISO 100 to 102,400, along with accelerated readout speeds for internal 4K24 and Full HD 1080p120 video recording with full pixel readout. The processor further benefits videographers with the inclusion of an S&Q (Slow & Quick) Motion setting that permits capturing Full HD video at a variety of frame rates ranging from 1-120 fps, plus HLG (Hybrid Log-Gamma), which supports HDR workflows, and both S-Log2 and S-Log3 for color grading flexibility. Stills shooters also benefit from the processing speed, which enables continuous shooting at 11 fps for up to 116 JPEGs, 46 raw images, or 44 raw and JPEG frames in a burst, as well as 14-bit raw file output. The sensor and processor combination also avails 4D FOCUS, with a wide-coverage 425-point phase-detection system that covers around 84% of the image area, and a 425-point contrast-detection system, both of which provide quick and precise focusing performance. This focusing system also enables Real-time Eye AF, which delivers improved accuracy, speed, and tracking performance of Eye AF, so the eyes of your subject are automatically detected. Furthermore, Real-time Tracking uses AI-based object recognition and processes color, subject distance (depth), and pattern (brightness) as spatial information to ensure that all subjects can be captured with accuracy. Increasingly versatile and fully featured in both photo and video realms, the a6400 is a fast and precise imaging tool for multimedia capture.

Complementing the imaging assets, the a6400 sports a robust magnesium-alloy body with sealed buttons and dials to help keep out dust and moisture, plus anti-dust functionality that protects the optical filter. The compact profile incorporates a high-resolution XGA Tru-Finder 2.36m-dot OLED electronic viewfinder for bright, clear, eye-level viewing, and this EVF features a 120 fps viewing mode for smooth tracking of fast-moving subjects. A rear 3.0" 921.6k-dot touchscreen TFT LCD monitor is also available and tilts 180° up and 74° down to benefit shooting from high and low working angles. The touchscreen design also allows for intuitive touch-to-focus control. Additionally, for wireless remote control over the camera, or for just sharing imagery online, built-in Wi-Fi with NFC permits linking with a mobile device for intuitive wireless control.

General Features

Capture Decisive Moments
The autofocus system on the a6400 inherits many technologies from Sony's line-up of full-frame cameras, including the a9, a7R III, and a7 III models. The a6400 features 425 phase-detection AF points and 425 contrast-detection AF points that are placed densely over the entire image area, covering approximately 84% of the image area. This high-speed, high-performance tracking AF system is paired with a BIONZ X image processing engine that together allow the camera to acquire focus in as little as 0.02 seconds and maintain subject lock effectively, ensuring even the fastest moving subjects can be tracked and captured with ease.

The a6400 introduces advanced "Real-time Eye AF," the latest version of Sony's Eye AF technology. This capability employs artificial intelligence based object recognition to detect and process eye data in real time, resulting in improved accuracy, speed, and tracking performance of Eye AF. In all autofocus modes, the camera now automatically detects the eyes of the subject and activates Eye AF with a half press of the shutter button, and when in AF-C or AF-A mode, the preferred eye (left or right) of your subject can be selected as the focus point. Choices include Auto / Right Eye / Left Eye, and a Switch Right / Left Eye function is able to be assigned to a custom function as well. This technology frees the photographer to focus solely on composition with trust that focus will be tack sharp on the subject's eye. Eye AF support for animals will be added in summer 2019 via a system software update.

Also debuting on the a6400 is Sony's "Real-time Tracking." This mode utilizes Sony's algorithm that includes artificial intelligence (AI) based object recognition and processes color, subject distance (depth), and pattern (brightness) as spatial information to ensure that all subjects can be captured with accuracy. Additionally, when photographing or videographing humans or animals, face and eye position information is recognized by AI and the subject's eye is monitored in real time with high tracking precision. This can be activated by a simple half press of the shutter button, or can be assigned to a custom function

In terms of overall shooting speeds, the camera can shoot at up to 11 fps with full AF/AE tracking while utilizing the mechanical shutter, and up to 8 fps with full AF/AE tracking while silent shooting. It can shoot at each of these speeds for up to 116 frames JPEG Standard / 46 frames raw compressed, greatly increasing the chances of capturing the moment.
Advancements in Image Quality
Sony's a6400 is equipped with a 24.2MP APS-C image sensor that is paired with an upgraded BIONZ X processor to deliver improved image quality and color reproduction in all types of shooting conditions. Standard ISO ranges up to ISO 32,000 for both stills and movies, and is expandable up to ISO 102,400 for still images, with good noise reduction at medium and high sensitivities.

The camera also inherits many of the image processing algorithms from Sony's full-frame cameras, suppressing noise while preserving resolution and improving texture depiction.
4K Movie Recording with Fast Hybrid Autofocus
The versatile a6400 is a solid video camera, offering internal 4K UHD (3840 x 2160) movie recording with full pixel readout and no pixel binning to collect about 2.4x the amount of data required for 4K movies, and then oversamples it to produce high quality 4K footage with detail and depth. Focusing during movie shooting is fast and stable thanks to upgraded Fast Hybrid AF technology, which keeps the subject in constant smooth focus, even if an object crosses in front of the camera. This advanced AF plus touch focus functionality makes it a suitable camera choice for many vloggers and video creators that are regularly creating and uploading content online.

For time-lapse movie creation, the camera features built-in interval recording that can be set anywhere between 1 and 60 seconds, with a total number of shots from 1 to 9999. AE tracking sensitivity can be adjusted to "High", "Mid," or "Low" during interval shooting, allowing for reduced changes in exposure over the shooting interval.

Additionally, for the first time in a Sony APS-C mirrorless camera, this model includes an HLG (Hybrid Log-Gamma) picture profile, which supports an Instant HDR workflow, allowing HDR (HLG) compatible TV's to playback beautiful, true-to-life 4K HDR imagery. Further, both S-Log2 and S-Log3 are available for increased color grading flexibility, as well as Zebra functionality, Gamma Display assist, and proxy recording. The camera can also record Full HD at 120 fps at up to 100 Mb/s, allowing footage to be reviewed and eventually edited into 4x or 5x slow-motion video files in Full HD resolution with AF tracking.
Upgraded Build for Increased Versatility
This camera is designed to offer a high level of functionality and customization to maximize shooting freedom. The a6400 features a fully tiltable 180° 3.0" LCD flip screen with 921,600 dots of resolution that allows for simple and effective framing of selfie-style shooting for both still and video capture. Utilizing this capability, vloggers will be able to check and monitor composition throughout their entire creative process. The LCD screen is also equipped with touch functionality, with options for Touch Pad, Touch Focus, Touch Shutter, and Touch Tracking, which quickly activates "Real-time Tracking" through the touch screen.

The camera features a high-quality XGA OLED Tru-finder viewfinder, extensive customization with 89 functions that are assignable to 8 custom keys, My Dial and My Menu functionality, enhanced overall menu usability, a help screen for menus, star rating for images, and many other features that allow for a seamless shooting experience. It is also built with a tough magnesium-alloy design and has a durable shutter that is rated for approximately 200,000 cycles. It also is capable of seamlessly transferring files to a smartphone or tablet when connected to the new Imaging Edge Mobile application.
UPC: 027242915015
In the Box
Sony Alpha a6400 Mirrorless Digital Camera (Body Only)
  • NP-FW50 Lithium-Ion Rechargeable Battery (1020mAh)
  • AC Adapter
  • Power Cord
  • Shoulder Strap
  • Body Cap
  • Accessory Shoe Cap
  • Eyepiece Cup
  • Micro-USB Cable
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Sony A6400 Specs

    Imaging
    Lens Mount Sony E-Mount
    Camera Format APS-C (1.5x Crop Factor)
    Pixels Actual: 25 Megapixel
    Effective: 24.2 Megapixel
    Max Resolution 24 MP: 6000 x 4000
    Aspect Ratio 3:2, 16:9
    Sensor Type / Size CMOS, 23.5 x 15.6 mm
    File Formats Still Images: JPEG, RAW
    Movies: AVCHD 2.0, MP4, XAVC S
    Audio: AC3, Dolby Digital 2ch, Linear PCM
    Bit Depth 14-Bit
    Dust Reduction System Yes
    Memory Card Type SD
    SDHC
    SDXC
    Memory Stick Pro Duo
    Memory Stick PRO HG-Duo
    Memory Stick Micro (M2)
    Image Stabilization None
    AV Recording
    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)
    Aspect Ratio 16:9
    Audio Recording Built-In Mic: With Video (Stereo)
    Optional External Mic: With Video (Stereo)
    Focus
    Focus Type Auto & Manual Focus
    Focus Mode Automatic (A), Continuous-Servo AF (C), Direct Manual Focus (DMF), Manual Focus (M), Single-servo AF (S)
    Autofocus Points Phase Detection: 425
    Contrast Detection: 425
    Viewfinder/Display
    Viewfinder Type Electronic
    Viewfinder Size 0.39"
    Viewfinder Resolution 2,359,296 Dot
    Viewfinder Eye Point 23 mm
    Viewfinder Coverage 100%
    Viewfinder Magnification Approx. 1.07x
    Diopter Adjustment -4.0 to +3.0 m
    Display Screen 3" Rear Screen Tilting Touchscreen LCD (921,600)
    Exposure Control
    ISO Sensitivity 100 to 32000 (Extended Mode:100 to 102400)
    Shutter Type: Electronic & Mechanical
    Speed: 30 to 1/4000 Second , Bulb Mode
    Remote Control RMT-DSLR2 (Optional)
    Metering Method Average Metering, Center-Weighted Average Metering, Multi-Zone Metering, Spot Metering, Highlight Weighted
    Exposure Modes Modes: Aperture Priority, Auto, Intelligent Auto, Manual, Movie, Program, Scene Selection, Shutter Priority, Superior Auto, Sweep Panorama
    Metering Range: EV -2.0 to EV 20.0
    Compensation: -5 EV to +5 EV (in 1/3, 1/2 EV Steps)
    White Balance Auto, Cloudy, Color Temperature, Color Temperature Filter, Custom, Daylight, Flash, Fluorescent (Cool White), Fluorescent (Day White), Fluorescent (Daylight), Fluorescent (Warm White), Incandescent, Shade, Underwater
    Continuous Shooting Up to 11 fps at 24.2 MP for up to 46 Exposures (Raw Format)
    Up to 11 fps at 24.2 MP for up to 116 Exposures (JPEG Format)
    Up to 11 fps at 24.2 MP for up to 115 Exposures (JPEG Format)
    Up to 11 fps at 24.2 MP for up to 99 Exposures (JPEG Format)
    Flash
    Flash Modes Auto
    Fill-In
    Hi-Speed Sync
    Off
    Rear Sync
    Red-Eye Reduction
    Slow Sync
    Wireless
    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)
    Dedicated Flash System TTL
    External Flash Connection Hot Shoe, Wireless
    Performance
    Self Timer 2, 5, 10 Seconds
    Interval Recording Yes
    Connectivity 1/8" Microphone, HDMI D (Micro), USB 2.0 Micro-B, Wired Remote Port
    Wi-Fi Capable Yes
    Power
    Battery 1 x NP-FW50 Rechargeable Lithium-Ion Battery Pack, 7.2 VDC, 1080 mAh
    AC Power Adapter AC-UUE12 (Included)
    Operating Temperature 32 to 104°F / 0 to 40°C
    Physical
    Dimensions (W x H x D) 4.7 x 2.6 x 2.4" / 120.0 x 66.9 x 59.7 mm
    Weight 14.22 oz / 403 g (with battery and memory card)
    Packaging Info
    Package Weight 1.47 lb
    Box Dimensions (LxWxH) 6.0 x 5.1 x 4.5"

    Sony A6400 Reviews

    Alpha a6400 Mirrorless Digital Camera (Body Only) is rated 4.9 out of 5 by 19.
    Rated 5 out of 5 by from Well worth the price! At first reading the specs it might seem like its lacking with no IBIS and limited touch screen functionality but boy was I in for a surprise. This is an excellent option for beginner or intermediate photographers or even videographers. The a6400 is faster on start up than the a6500 and has unlimited recording time for video. The autofocus is crazy FAST and battery life does seem to be improved. Very happy with this purchase.
    Date published: 2019-03-01
    Rated 5 out of 5 by from This camera is Awesome! I shot on Nikon for years before moving into Sony mirrorless. I currently own an a6000 and an a7ii and am very familiar with them. I was looking for something to shoot video with (specifically YouTube and interview videos) so I liked that this didnt have the 30 minute limit. I had no clue how many advances had been made since the a6000 was released. I try to avoid new camera info because it always leads to me getting excited and buying one. The flip up screen is great and I love being able to monitor myself while recording. I know you can always add a monitor to other cameras (I even own one) but when I have a video idea I want to get it going as quickly. That means I usually forgo looking for the monitor and hoping Im in the shot correctly. The videos have come out INCREDIBLE so far and Im beyond happy with the purchase. The only thing Im not excited for is re-configuring all of my custom buttons and menus but thats the case with any new camera and if thats my biggest issue then life is pretty good :) If you own an a6000 or are looking for a camera that does both video and photography really well then definitely give this a good, hard look. If youre sitting there with an a6300 or a6500 then the decision to upgrade (or is it sidegrade?) is a little trickier. Go to a camera store and test it out... if you love the a6300 then youll absolutely love this camera but if you have the a6300 then you most likely dont *need* this camera. If that makes any sense.
    Date published: 2019-03-06
    Rated 5 out of 5 by from Great BTS cam! I cant speak on its photo capabilities as I purchased specifically as a BTS camera during my projects.  Ill cut to the specific points as to why I think this camera is a step above the a6500. +  Color science is better (matches A7 III) +  No video recording time limit +  No over heating issues (yet), even in non-ideal situations +  Autofocus capabilities and quality are outstanding +  1080P footage is improved over the a6500 (was always too soft) Negatives -Battery Life; I mean it has a small battery, cant expect much.  About an hour of battery life when shooting video. -IBIS -- no in body stabilizer but honestly, I only put this here because many people will definitely whine about it.  But the a6500s IBIS was actually not that great.  Its physics -- theres not a lot of room for the sensor to float around. All around -- this is a fantastic camera for a great price.  The 4K image is great, the form factor is perfect for BTS or small projects, and you can get near cinematic images in inconspicuous spaces because of its size.
    Date published: 2019-03-13
    Rated 5 out of 5 by from Great camera with much to offer at a bargain price I got tired of hauling my DSLR gear to airshows and other flying events I enjoy.  So, I switched to a small affordable mirrorless camera to save weight and space.  Sonys cutting edge technology combined with B&Hs legendary availability and rapid shipping filled my need.  I got my a6400 with the 18-135mm kit lens and am delighted with the package deal.  The attached photos were taken at 135mm with the kit lens.  Although it took time to master the menu and program the camera, the reward for doing so is well worth it.
    Date published: 2019-03-15
    Rated 5 out of 5 by from Worth every cent! We purchased a Sony A6300 as a “B” camera and it quickly became a solid “A” for projects that we need to have a small setup. With the improvement in the A6400 this camera is going to me amazing. After watching several review and keynotes on this camera we sold our a6300 and purchased this. It is so worth every cent! Amazing low light, 4K, S&Q all for under 1K for the body alone. It’s a win all around!
    Date published: 2019-01-26
    Rated 5 out of 5 by from Awesome Focus tracking and Eye AF with adapted glass (Canon) The camera is awesome with the new Focus tracking. Eye AF enabled with the shutter button half pressed is fantastic and accurate even in low light. I am very surprised that my MC-11 with Canon 70 200 II glass is very accurate and tracks subject like the Sony 100 400 FE GM lens. This is awesome that the adapted lens performance is very very close to native glass. The best part is f2.8 which is even better for this crop sensor which is hungry for more light. I was about to order a Sony 70 200 FE GM to be all native and clean. I can now instead order a Canon 70 200 III and save around 500$(70 200 II is going to my brother). In my opinion the new software update when it will be available for a9 will be a killer. I have uploaded a couple of shots which I took on the street to test the focus tracking with the 100 400 FE GM. The lighting was not ideal it was partial cloudy. The school bus was tracked with obstacles no issues. The photos are SOCC unedited. ISO performance seems to be very decent. I tend to compare it with my a9 inadvertently but it is not fair for a 900$ camera. The other thing that impressed me is the 11 fps. seems plenty fast, with enough light this camera can rock for some serious action.
    Date published: 2019-03-03
    Rated 4 out of 5 by from Focus Menus The camera takes outstanding pictures. The only issue I have with it is the focus menus are outrageously confusing. There must be a better way to automatically put it in tracking focus, really. So I can not recommend it to any person that has problems with following menu selections and wanting a camera with little hassle as possible. So if one feels challenged by menus do not buy this camera. But then again one can set it to automatic and shoot away. But you dont need this camera to do that.
    Date published: 2019-03-14
    Rated 5 out of 5 by from Nice upgrade from a6300 Been waiting on these features for bracketed photography!  Battery life is better and Ive used the flip up screen way more than I thought I would.  Nice to have long recording times too without overheating!  BH is the best.
    Date published: 2019-03-03
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