a6400 E-mount APS-C Camera (Body Only)
Unparalleled AF performance is the key to beautiful shots
Fast and accurate autofocus lets you capture fleeting moments in stunning detail thanks to a combination of innovative technologies. A total of 425 phase-detection AF points work in conjunction with contrast-detection AF to achieve a remarkable 0.02 s speed while High-density AF Tracking Technology follows even erratically moving subjects.
More accurate autofocus in dim lighting
Highly accurate autofocus is now possible even in dark settings thanks to advances in the AF algorithm. With this model the lower limit on the AF detection brightness range has been reduced to EV-2 when in AF-S mode.
AF in Focus Magnifier for finer focus adjustment
When extra-accurate autofocus is called for such as when you're taking macro shots you can display a magnified view of the general area you want to focus on then finely adjust the exact point of focus in the viewfinder or on the LCD screen.
Easier manual focus with an improved peaking function
The camera's peaking function colour-highlights the most sharply focused section of the entire image area when you're using manual focus. Now blue has been added to the display's other peaking colours (red yellow and white) to improve the visibility of the focus peak areas when you're doing the delicate focusing required for macro or portrait shooting.
Real-time Tracking holds the focus on tracked subjects
When you're tracking a fast-moving subject the camera's improved automatic subject motion tracker uses a newly developed subject recognition algorithm that draws on colour pattern (brightness) subject distance (depth) and face/eye information to recognize and hold onto your subject.
Enhanced Real-time Eye AF supports portrait shooting
Real-time Eye AF detects and autofocuses on the eyes of your subjects when you half-press the shutter. Either the left eye the right eye or auto can be specified and when AF-C is set it maintains a stable focus even when part of the face is hidden the face is backlit or the subject is facing downwards.
High speed continuous shooting with AF/AE tracking
Capture all the action with continuous shooting at up to 11fps (with after view) or 8fps (with silent shutter) and 8fps (for live view). Display lag has been minimized and up to 116 JPEG (Standard) images can be shot with group display available. Camera operability and access to various features while writing data have also been greatly improved.
An innovative image-processing system
The camera's APS-C size 24.2-megapixel ExmorTM CMOS sensor provides a wide sensitivity range and excellent low-noise performance. In conjunction with the new-generation BIONZ XTM image processing engine it delivers beautiful high-resolution images with superb image clarity and texture reproduction.
Extraordinary image quality low noise and a wider ISO range
Maximum standard ISO sensitivity has been increased to ISO 32000 (expanded to ISO 102400 for stills) while improved imaging algorithms detail reproduction technology and area-division noise reduction result in more realistic textures better detail in shadow regions and more lifelike colours including human skin tones and natural plant colours.
Newly added 1:1 aspect ratio for easier social-media shots
In addition to 3:2 and 16:9 aspect (width-to-height) ratios the 1:1 aspect ratio used by social media platforms is now offered as an option. This eliminates the need for cumbersome hand-trimming of images after shooting in preparation for posting on social media.
14-bit RAW output with rich tonal gradation
When you're shooting in RAW format the 14-bit digital signals that are converted from analog in the image sensor are passed to the front-end LSI and BIONZ X where they undergo 16-bit processing before converting back to 14-bit RAW image output. This leads to smoother more natural tonal gradation in these images.  Image Sensor  The latest high-speed front-end LSI  16-bit Image processing
4K movie recording in high-bit-rate XAVC S format
Super 35 mm format 4K movie recording with full pixel readout and no pixel binning allows oversampling with approx. 2.4x as much information as is required for 4K (QFHD: 3840 x 2160) adding up to the equivalent of 6K and giving these images more realistic depth. High-bit-rate (max. 100Mbps) XAVC S format a consumer-friendly version of a format for professional use plus HLG support result in better-looking movies.
Steady precise AF tracking for better movies
Fast Hybrid AF brings high speed accuracy and tracking performance to meet the stringent autofocus demands of 4K movies. AF tracking sensitivity can be adjusted for either stable focus or responsive refocusing depending on the nature of the scene and Touch Tracking lets you initiate tracking of a moving subject simply by touching the LCD screen.