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What is the crop factor of the Canon 550D?

The Canon EOS 550D is equipped with an APS-C sensor, whose diagonal measures 26.8mm. The sensor has a crop factor (or format factor, or focal length multiplier) of 1.6.

The crop factor is defined as the ratio of the 35mm full-frame film diagonal to the diagonal of a digital sensor. This number indicates how a lens behaves in relation to the size of the image sensor.

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Sensor size comparison with a film slide

With a crop factor of 1.6, the sensor in the Canon 550D is smaller than the receptor area of a 35mm film slide or negative. As a result, a lens that is attached to the Canon 550D will offer a narrower angle of view and provide deeper depth of field than a lens of similar focal length and aperture on a film camera. The equivalent focal length is obtained by multiplying the actual focal length of the lens with the crop factor. For example, a 31mm lens on the Canon 550D will provide the same angle of view and depth of field as a 50mm normal lens on a film camera (31mm * 1.6 = 50mm).

Canon 550D and Credit Card sensor measures

Sensor specs and performance

The table below compares the sensor specs of the Canon 550D to those of several similar cameras. The reported DXO values are indicators of the sensor's imaging quality (higher is better), covering 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 550D APS-C 17.9 5184 34561080/30p22.111.578466
2.
 
Canon 4000D APS-C 17.9 5184 34561080/30p21.911.469563
3.
 
Canon 750D APS-C 24.0 6000 40001080/30p22.712.091971
4.
 
Canon 760D APS-C 24.0 6000 40001080/30p22.612.091570
5.
 
Canon 1200D APS-C 17.9 5184 34561080/30p21.911.372463
6.
 
Canon 700D APS-C 17.9 5184 34561080/30p21.711.268161
7.
 
Canon 650D APS-C 17.9 5184 34561080/30p21.711.272262
8.
 
Canon 600D APS-C 17.9 5184 34561080/30p22.111.579365
9.
 
Canon 1100D APS-C 12.2 4272 2848720/30p21.911.075562
10.
 
Canon 500D APS-C 15.1 4752 31681080/20p21.711.566363
11.
 
Nikon D5100 APS-C 16.1 4928 32641080/30p23.513.6118380
Further information on the sensor in the Canon 550D and the camera's operation can be found in the camera manual.

In the United States, the 550D was initially launched in February 2010 at a price of $699.

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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 use the search menu below. An an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications Summary
    Camera Model Canon 550D
    Camera Type Digital single lens reflex
    Camera Lens Canon EF mount lenses
    Launch Date February 2010
    Launch Price USD 699
    Sensor Specs
    Sensor Technology CMOS
    Sensor Format APS-C Sensor
    Sensor Size 22.3 x 14.9 mm
    Sensor Area 332 mm2
    Sensor Diagonal 26.8 mm
    Crop Factor 1.6x
    Sensor Resolution 17.9 Megapixels
    Image Resolution 5 184 x 3 456 pixels
    Pixel Pitch 4.31 μm
    Pixel Density 5.39 MP/cm2
    Moiré control Anti-Alias filter
    Movie Capability 1080/30p Video
    ISO Setting 100 - 6 400 ISO
    ISO Boost 100 - 12 800 ISO
    Image Processor DIGIC 4
    DXO Sensor Quality (score) 66
    DXO Color Depth (bits) 22.1
    DXO Dynamic Range (EV) 11.5
    DXO Low Light (ISO) 784
    Screen Specs
    Viewfinder Type Optical viewfinder
    Viewfinder Field of View 95%
    Viewfinder Magnification 0.54x
    Top-Level Screen no Top Display
    LCD Framing Live View
    LCD Size 3.0 inch
    LCD Resolution 1040k dots
    LCD Attachment Fixed screen
    Touch Input No touchscreen
    Shooting Specs
    Focus System Phase-detect AF
    Manual Focusing Aidno Peaking Feature
    Maximum Shutter Speed 1/4000s
    Continuous Shooting 3.7 shutter flaps/s
    Shutter Life Expectancy100 000 actuations
    Silent Shootingno E-Shutter
    Time Lapse Photographyno Intervalometer
    Fill Flash Built-in Flash
    Storage Medium SDXC cards
    Single or Dual Card Slots Single card slot
    UHS card support no
    Connectivity Specs
    External Flash Hotshoe
    USB Connector USB 2.0
    HDMI Port mini HDMI
    Microphone Port External MIC port
    Wifi Support no Wifi
    Body Specs
    Battery Type LP-E8 power pack
    Battery Life (CIPA)440 shots per charge
    Body Dimensions 129 x 98 x 62 mm
    (5.1 x 3.9 x 2.4 in)
    Camera Weight 530 g (18.7 oz)

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