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How many Megapixels does the Sony A6400 have?

The Sony Alpha A6400 is equipped with a an APS-C sensor that offers an image resolution of 24 megapixels (MP), or 24 million pixels. With its native aspect ratio of 3:2, the sensor has 6 000 horizontal pixels and 4 000 vertical pixels.

A 35mm film slide or negative contains 5-15 MP of useful detail, so that the Sony A6400 can be considered to be a high-resolution camera that outresolves any 35mm film camera.

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A high megapixel count makes it possible to crop any captured image substantially or to make very large prints from the image file. On the downside, large megapixel files are slower to transfer and take up more storage space on the computer harddisk. Also, high-resolution imaging requires sharper, more expensive lenses than low-res picture taking.

How large can I print with 24 MP?

The maximum print size of the Sony A6400 for good quality output (200 dots per inch) amounts to 30 x 20 inches or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inches or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inches or 50.8 x 33.9 cm. Few people actually print their images that large on a regular basis, but it is nice to have the option to make very large prints of exceptional shots. Also, as mentioned earlier, a key advantage of high-MP cameras is that it is possible to crop an image ex-post and thereby, for example, change the composition of the capture or zoom in on some detail.

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Sensor specs and performance

The table below compares the sensor specs of the Sony A6400 to those of several similar cameras. In addition to sensor class and megapixel count, DXO values are reported as indicators of the sensor's imaging quality (higher is better). Three aspects are covered: color depth (DXO Portrait), dynamic range (DXO Landscape), and high-ISO noise (DXO Sports). Larger sensor cameras tend to outperform cameras of the same generation that are equipped with a smaller imager. On the other hand, larger sensors are more expensive and require bigger and heavier lenses than smaller light receptors.

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Sensor Characteristics
#   Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Sony A6400 APS-C 24.0 6000 40004K/30p24.013.6143183
2.
 
Fujifilm X-T30 APS-C 26.0 6240 41604K/30p24.113.5189583
3.
 
Nikon D5300 APS-C 24.0 6000 40001080/60p24.013.9133883
4.
 
Sony A6100 APS-C 24.0 6000 40004K/30p24.113.6194784
5.
 
Sony A6300 APS-C 24.0 6000 40004K/30p24.413.7143785
6.
 
Sony A5100 APS-C 24.0 6000 40001080/60p23.812.7134780
7.
 
Sony A6000 APS-C 24.0 6000 40001080/60p24.113.1134782
8.
 
Sony A3000 APS-C 19.8 5456 36321080/60i23.712.8106878
9.
 
Sony NEX-5R APS-C 16.0 4912 32641080/60i23.713.191078
10.
 
Sony NEX-6 APS-C 16.0 4912 32641080/60i23.713.1101878
11.
 
Sony NEX-7 APS-C 24.0 6000 40001080/60i24.113.4101681
Note: DXO values in italics represent estimates based on sensor size and age.
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Further information on the sensor in the Sony A6400 and the camera's operation can be found in the camera manual.

In the United States, the A6400 was initially launched in January 2019 at a price of $899.

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Check A6400 price at
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Camera to camera comparisons

In case you would like to check on the differences and similarities with other camera models, just make a corresponding selection in the search boxes below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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    Specifications Summary
    Camera Model Sony A6400
    Camera Type Mirrorless system camera
    Camera Lens Sony E mount lenses
    Launch Date January 2019
    Launch Price USD 899
    Sensor Specs
    Sensor Technology CMOS
    Sensor Format APS-C Sensor
    Sensor Size 23.5 x 15.6 mm
    Sensor Area 367 mm2
    Sensor Diagonal 28.2 mm
    Crop Factor 1.5x
    Sensor Resolution 24 Megapixels
    Image Resolution 6 000 x 4 000 pixels
    Pixel Pitch 3.91 μm
    Pixel Density 6.55 MP/cm2
    Moiré control Anti-Alias filter
    Movie Capability 4K/30p Video
    ISO Setting 100 - 32 000 ISO
    ISO Boost 100 - 102 400 ISO
    Image Processor BIONZ X
    DXO Sensor Quality (score) 83
    DXO Color Depth (bits) 24
    DXO Dynamic Range (EV) 13.6
    DXO Low Light (ISO) 1431
    Screen Specs
    Viewfinder Type Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.70x
    Viewfinder Resolution 2359k dots
    Top-Level Screen no Top Display
    LCD Framing Live View
    LCD Size 3.0 inch
    LCD Resolution 922k dots
    LCD Attachment Tilting screen
    V-logging Friendliness Front-flip possible
    Touch Input Touchscreen
    Shooting Specs
    Focus System On-Sensor Phase-detect
    Manual Focusing AidFocus Peaking
    Maximum Shutter Speed 1/4000s
    Continuous Shooting 11 shutter flaps/s
    Shutter Life Expectancy200 000 actuations
    Silent ShootingElectronic Shutter
    Time Lapse Photographyno Intervalometer
    Fill Flash Built-in Flash
    Storage Medium MS or SDXC cards
    Single or Dual Card Slots Single card slot
    UHS card support UHS-I
    Connectivity Specs
    External Flash Hotshoe
    USB Connector USB 2.0
    HDMI Port micro HDMI
    Microphone Port External MIC port
    Wifi Support Wifi built-in
    Near-Field Communication NFC built-in
    Bluetooth Support Bluetooth built-in
    Body Specs
    Environmental SealingWeathersealed body
    Battery Type Sony NP-FW50 power pack
    Battery Life (CIPA)410 shots per charge
    In-Camera Charging USB charging
    Body Dimensions 120 x 67 x 50 mm
    (4.7 x 2.6 x 2.0 in)
    Camera Weight 403 g (14.2 oz)

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