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How many Megapixels does the Canon R3 have?

The Canon EOS R3 is equipped with a a full frame 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 Canon R3 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 Canon R3 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.

Sensor specs and performance

The table below compares the sensor specs of the Canon R3 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.
 
Canon R3 Full Frame 24.0 6000 40006K/60p25.014.7408696
2.
 
Canon R6 Mark II Full Frame 24.0 6000 40004k/60p25.414.6315496
3.
 
Canon 1D X Mark III Full Frame 20.0 5472 36484K/60p24.214.5324891
4.
 
Canon R5 Full Frame 44.8 8192 54648K/30p25.314.6304295
5.
 
Canon R6 Full Frame 20.0 5472 36484k/60p24.214.3339490
6.
 
Canon 1D X Mark II Full Frame 20.0 5472 36484K/60p24.113.5320788
7.
 
Canon 5D Mark III Full Frame 22.1 5760 38401080/30p24.011.7229381
8.
 
Canon 5D Mark II Full Frame 21.0 5616 37441080/30p23.711.9181579
9.
 
Leica SL2-S Full Frame 24.0 6000 40004K/60p25.214.1350495
10.
 
Sony A850 Full Frame 24.4 6048 4032none23.812.2141579
11.
 
Sony A900 Full Frame 24.4 6048 4032none23.712.3143179
Note: DXO values in italics represent estimates based on sensor size and age.
Further information on the sensor in the Canon R3 and the camera's operation can be found in the camera manual.

In the United States, the R3 was initially launched in September 2021 at a price of $5,999.

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Camera to camera comparisons

In case you are interested in seeing how this camera compares to another one, 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 Canon R3
    Camera Type Mirrorless system camera
    Camera Lens Canon RF mount lenses
    Launch Date September 2021
    Launch Price USD 5 999
    Sensor Specs
    Sensor Technology Stacked BSI-CMOS
    Sensor Format Full Frame Sensor
    Sensor Size 36.0 x 24.0 mm
    Sensor Area 864 mm2
    Sensor Diagonal 43.3 mm
    Crop Factor 1.0x
    Sensor Resolution 24 Megapixels
    Image Resolution 6 000 x 4 000 pixels
    Pixel Pitch 6.00 μm
    Pixel Density 2.78 MP/cm2
    Moiré control Anti-Alias filter
    Movie Capability 6K/60p Video
    ISO Setting 100 - 51 200 ISO
    ISO Boost 50 - 204 800 ISO
    Image Processor DIGIC X
    DXO Sensor Quality (score) 96
    DXO Color Depth (bits) 25
    DXO Dynamic Range (EV) 14.7
    DXO Low Light (ISO) 4086
    Screen Specs
    Viewfinder Type Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.76x
    Viewfinder Resolution 5760k dots
    Top-Level Screen Control Panel
    LCD Framing Live View
    LCD Size 3.2 inch
    LCD Resolution 4150k dots
    LCD Attachment Swivel 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 1/8000s
    Continuous Shooting 12 shutter flaps/s
    Shutter Life Expectancy300 000 actuations
    Silent ShootingElectronic Shutter
    Time Lapse PhotographyIntervalometer Built-in
    Image StabilizationIn-body stabilization
    Fill Flash no On-Board Flash
    Storage Medium CFexB or SDXC cards
    Single or Dual Card Slots Dual card slots
    UHS card support UHS-II
    Connectivity Specs
    External Flash Hotshoe
    Studio Flash PC Sync socket
    USB Connector USB 3.2
    HDMI Port micro HDMI
    Microphone Port External MIC port
    Headphone Socket Headphone port
    Wifi Support Wifi built-in
    Bluetooth Support Bluetooth built-in
    Body Specs
    Environmental SealingWeathersealed body
    Battery Type LP-E19 power pack
    Battery Life (CIPA)760 shots per charge
    In-Camera Charging USB charging
    Body Dimensions 150 x 143 x 87 mm
    (5.9 x 5.6 x 3.4 in)
    Camera Weight 1 015 g (35.8 oz)

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