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How many Megapixels does the Canon XSi have?

The Canon EOS Rebel XSi is equipped with a an APS-C sensor that offers an image resolution of 12.2 megapixels (MP), or 12.2 million pixels. With its native aspect ratio of 3:2, the sensor has 4 272 horizontal pixels and 2 848 vertical pixels.

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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 12.2 MP?

The maximum print size of the Canon XSi for good quality output (200 dots per inch) amounts to 21.4 x 14.2 inches or 54.3 x 36.2 cm, for very good quality (250 dpi) 17.1 x 11.4 inches or 43.4 x 28.9 cm, and for excellent quality (300 dpi) 14.2 x 9.5 inches or 36.2 x 24.1 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 Canon XSi 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 XSi APS-C 12.2 4272 2848none21.910.869261
2.
 
Canon T6i APS-C 24.0 6000 40001080/30p22.712.091971
3.
 
Canon T6s APS-C 24.0 6000 40001080/30p22.612.091570
4.
 
Canon T4i APS-C 17.9 5184 34561080/30p21.711.272262
5.
 
Canon T3 APS-C 12.2 4272 2848720/30p21.911.075562
6.
 
Canon T2i APS-C 17.9 5184 34561080/30p22.111.578466
7.
 
Canon T1i APS-C 15.1 4752 31681080/20p21.711.566363
8.
 
Canon XS APS-C 10.1 3888 2592none22.010.971962
9.
 
Canon 40D APS-C 10.1 3888 2592none22.111.370364
10.
 
Canon XTi APS-C 10.1 3888 2592none22.111.066462
11.
 
Canon XT APS-C 8.0 3456 2304none21.810.863760
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Further information on the sensor in the Canon XSi and the camera's operation can be found in the camera manual.

In the United States, the XSi was initially launched in January 2008 at a price of $799.

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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. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications Summary
    Camera Model Canon XSi
    Camera Type Digital single lens reflex
    Camera Lens Canon EF mount lenses
    Launch Date January 2008
    Launch Price USD 799
    Sensor Specs
    Sensor Technology CMOS
    Sensor Format APS-C Sensor
    Sensor Size 22.2 x 14.8 mm
    Sensor Area 329 mm2
    Sensor Diagonal 26.7 mm
    Crop Factor 1.6x
    Sensor Resolution 12.2 Megapixels
    Image Resolution 4 272 x 2 848 pixels
    Pixel Pitch 5.19 μm
    Pixel Density 3.70 MP/cm2
    Moiré control Anti-Alias filter
    Movie Capability no Video
    ISO Setting 100 - 1 600 ISO
    Image Processor DIGIC 3
    DXO Sensor Quality (score) 61
    DXO Color Depth (bits) 21.9
    DXO Dynamic Range (EV) 10.8
    DXO Low Light (ISO) 692
    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 230k 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 3.5 shutter flaps/s
    Shutter Life Expectancy100 000 actuations
    Silent Shootingno E-Shutter
    Time Lapse Photographyno Intervalometer
    Fill Flash Built-in Flash
    Storage Medium SDHC 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
    Wifi Support no Wifi
    Body Specs
    Battery Type Canon LP-E5 power pack
    Battery Life (CIPA)500 shots per charge
    Body Dimensions 129 x 98 x 62 mm
    (5.1 x 3.9 x 2.4 in)
    Camera Weight 524 g (18.5 oz)

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