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What is the crop factor of the Canon 450D?

The Canon EOS 450D is equipped with an APS-C sensor, whose diagonal measures 26.7mm. 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 450D is smaller than the receptor area of a 35mm film slide or negative. As a result, a lens that is attached to the Canon 450D 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 450D 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 450D and Credit Card sensor measures
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Sensor specs and performance

The table below compares the sensor specs of the Canon 450D 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 450D APS-C 12.2 4272 2848none21.910.869261
2.
 
Canon 400D APS-C 10.1 3888 2592none22.111.066462
3.
 
Canon 500D APS-C 15.1 4752 31681080/20p21.711.566363
4.
 
Canon 650D APS-C 17.9 5184 34561080/30p21.711.272262
5.
 
Canon 750D APS-C 24.0 6000 40001080/30p22.712.091971
6.
 
Canon 760D APS-C 24.0 6000 40001080/30p22.612.091570
7.
 
Canon 1000D APS-C 10.1 3888 2592none22.010.971962
8.
 
Canon 1100D APS-C 12.2 4272 2848720/30p21.911.075562
9.
 
Canon G1 X 1.5-inch 14.2 4352 32641080/24p21.710.864460
10.
 
Canon G1 X Mark II 1.5-inch 13.0 4160 31201080/30p21.510.858158
11.
 
Nikon D5000 APS-C 12.2 4288 2848720/24p22.712.586872
Further information on the sensor in the Canon 450D and the camera's operation can be found in the camera manual.

In the United States, the 450D 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 450D
    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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