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How many Megapixels does the Sony A7R II have?

The Sony Alpha A7R II is equipped with a a full frame sensor that offers an image resolution of 42.2 megapixels (MP), or 42.2 million pixels. With its native aspect ratio of 3:2, the sensor has 7 952 horizontal pixels and 5 304 vertical pixels.

A 35mm film slide or negative contains 5-15 MP of useful detail, so that the Sony A7R II 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 42.2 MP?

The maximum print size of the Sony A7R II for good quality output (200 dots per inch) amounts to 39.8 x 26.5 inches or 101 x 67.4 cm, for very good quality (250 dpi) 31.8 x 21.2 inches or 80.8 x 53.9 cm, and for excellent quality (300 dpi) 26.5 x 17.7 inches or 67.3 x 44.9 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.

Sensor specs and performance

The table below compares the sensor specs of the Sony A7R II 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 A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498
2.
 
Sony A1 Full Frame 49.8 8640 57608k/30p25.914.5316398
3.
 
Sony A7S III Full Frame 12.0 4240 28324K/120p23.713.9252086
4.
 
Sony A7R IV Full Frame 60.2 9504 63364K/30p26.014.8334499
5.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
6.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
7.
 
Sony A9 Full Frame 24.0 6000 40004K/30p24.913.3351792
8.
 
Sony A99 II Full Frame 42.2 7952 53044K/30p25.413.4231792
9.
 
Sony A7S II Full Frame 12.0 4240 28324K/30p23.613.3299385
10.
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990
11.
 
Sony A7R Full Frame 36.2 7360 49121080/60p25.614.1274695
Further information on the sensor in the Sony A7R II and the camera's operation can be found in the camera manual.

In the United States, the A7R II was initially launched in June 2015 at a price of $3,199.

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Camera to camera comparisons

If you would like to see a side-by-side review with another camera, just make a corresponding selection in the search boxes below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications Summary
    Camera Model Sony A7R II
    Camera Type Mirrorless system camera
    Camera Lens Sony E mount lenses
    Launch Date June 2015
    Launch Price USD 3 199
    Sensor Specs
    Sensor Technology BSI-CMOS
    Sensor Format Full Frame Sensor
    Sensor Size 35.9 x 24.0 mm
    Sensor Area 862 mm2
    Sensor Diagonal 43.2 mm
    Crop Factor 1.0x
    Sensor Resolution 42.2 Megapixels
    Image Resolution 7 952 x 5 304 pixels
    Pixel Pitch 4.52 μm
    Pixel Density 4.90 MP/cm2
    Moiré control no AA filter
    Movie Capability 4K/30p Video
    ISO Setting 100 - 25 600 ISO
    ISO Boost 50 - 102 400 ISO
    Image Processor BIONZ X
    DXO Sensor Quality (score) 98
    DXO Color Depth (bits) 26.0
    DXO Dynamic Range (EV) 13.9
    DXO Low Light (ISO) 3434
    Screen Specs
    Viewfinder Type Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.78x
    Viewfinder Resolution 2400k dots
    Top-Level Screen no Top Display
    LCD Framing Live View
    LCD Size 3.0 inch
    LCD Resolution 1229k dots
    LCD Attachment Tilting screen
    V-logging Friendliness No front-flip
    Touch Input No touchscreen
    Shooting Specs
    Focus System On-Sensor Phase-detect
    Manual Focusing AidFocus Peaking
    Maximum Shutter Speed 1/8000s
    Continuous Shooting 5 shutter flaps/s
    Shutter Life Expectancy500 000 actuations
    Silent ShootingElectronic Shutter
    Time Lapse Photographyno Intervalometer
    Image StabilizationIn-body stabilization
    Fill Flash no On-Board 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
    Headphone Socket Headphone port
    Wifi Support Wifi built-in
    Near-Field Communication NFC built-in
    Body Specs
    Environmental SealingWeathersealed body
    Battery Type NP-FW50 power pack
    Battery Life (CIPA)290 shots per charge
    In-Camera Charging USB charging
    Body Dimensions 127 x 96 x 60 mm
    (5.0 x 3.8 x 2.4 in)
    Camera Weight 625 g (22.0 oz)

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