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Canon 550D vs Sony A850

The Canon EOS 550D (called Canon T2i in some regions) and the Sony Alpha A850 are two digital cameras that were announced, respectively, in February 2010 and August 2009. Both are DSLR (Digital Single Lens Reflex) cameras that are based on an APS-C (550D) and a full frame (A850) sensor. The Canon has a resolution of 17.9 megapixels, whereas the Sony provides 24.4 MP.

Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Canon 550D   versus Sony A850
Canon 550D Sony A850
Digital single lens reflex Digital single lens reflex
Canon EF mount lenses Sony A mount lenses
17.9 MP, APS-C Sensor 24.4 MP, Full Frame Sensor
1080/30p Video no Video
ISO 100-6400 (100-12800) ISO 200-3200 (100-6400)
Optical viewfinder Optical viewfinder
3.0" LCD, 1040k dots 3.0" LCD, 922k dots
Fixed screen (not touch-sensitive) Fixed screen (not touch-sensitive)
3.7 shutter flaps per second 3 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Not weather sealedWeathersealed body
440 shots per battery charge880 shots per battery charge
129 x 98 x 62 mm, 530 g 156 x 117 x 82 mm, 895 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 550D and the Sony Alpha A850? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

Body comparison

The physical size and weight of the Canon 550D and the Sony A850 are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth measures are rounded to the nearest millimeter.

Size Canon 550D vs Sony A850
Compare 550D versus A850 top
Comparison 550D or A850 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A850 is considerably larger (44 percent) than the Canon 550D. Moreover, the A850 is substantially heavier (69 percent) than the 550D. It is noteworthy in this context that the A850 is splash and dust-proof, while the 550D does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. Hence, you might want to study and compare the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.

Concerning battery life, the 550D gets 440 shots out of its LP-E8 battery, while the A850 can take 880 images on a single charge of its NP-FM500H power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you want to switch the focus of the display and review another camera pair, just select a new right or left comparator from among the camera models in the table. Alternatively, you can also move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Canon 550D» 5.1 in 3.9 in 2.4 in 18.7 oz 440 n Feb 2010 699- i Canon 550D
 
Sony A850« 6.1 in 4.6 in 3.2 in 31.6 oz 880 Y Aug 2009 1,999- i Sony A850
 
Canon 4000D« » 5.1 in 4.0 in 3.0 in 15.4 oz 500 n Feb 2018 399 i i Canon 4000D
 
Canon 750D« » 5.2 in 4.0 in 3.1 in 19.6 oz 440 n Feb 2015 749- i Canon 750D
 
Canon 760D« » 5.2 in 4.0 in 3.1 in 19.9 oz 440 n Feb 2015 649- i Canon 760D
 
Canon 1200D« » 5.1 in 3.9 in 3.1 in 16.9 oz 500 n Feb 2014 449- i Canon 1200D
 
Canon 700D« » 5.2 in 3.9 in 3.1 in 20.5 oz 440 n Mar 2013 649- i Canon 700D
 
Canon 650D« » 5.2 in 3.9 in 3.1 in 20.3 oz 440 n Jun 2012 849- i Canon 650D
 
Canon 600D« » 5.2 in 3.9 in 3.1 in 20.1 oz 440 n Feb 2011 599- i Canon 600D
 
Canon 1100D« » 5.1 in 3.9 in 3.1 in 17.5 oz 700 n Feb 2011 449- i Canon 1100D
 
Canon 500D« » 5.1 in 3.9 in 2.4 in 18.3 oz 400 n Mar 2009 799- i Canon 500D
 
Nikon D750« » 5.6 in 4.4 in 3.1 in 26.5 oz 1230 Y Sep 2014 2,299- i Nikon D750
 
Nikon D5100« » 5.0 in 3.8 in 3.1 in 19.8 oz 660 n Apr 2011 749- i Nikon D5100
 
Sony A7 II« » 5.0 in 3.8 in 2.4 in 21.1 oz 350 Y Nov 2014 1,999- i Sony A7 II
 
Sony A7« » 5.0 in 3.7 in 1.9 in 16.7 oz 340 Y Oct 2013 1,699- i Sony A7
 
Sony A99« » 5.8 in 4.4 in 3.1 in 28.6 oz 500 Y Sep 2012 2,799- i Sony A99
 
Sony A900« » 6.1 in 4.6 in 3.2 in 31.6 oz 880 Y Sep 2008 2,999- i Sony A900
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

Any camera decision will naturally be influenced heavily by the price. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The 550D was launched at a markedly lower price (by 65 percent) than the A850, which puts it into a different market segment. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down.

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Sensor comparison

The size of the imaging sensor is a crucial determinant of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Canon 550D features an APS-C sensor and the Sony A850 a full frame sensor. The sensor area in the A850 is 160 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.6 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon 550D and Sony A850 sensor measures

With 24.4MP, the A850 offers a higher resolution than the 550D (17.9MP), but the A850 nevertheless has larger individual pixels (pixel pitch of 5.94μm versus 4.31μm for the 550D) due to its larger sensor. However, the 550D is a somewhat more recent model (by 5 months) than the A850, and its sensor might have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units.

The resolution advantage of the Sony A850 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A850 for good quality output (200 dots per inch) amounts to 30.2 x 20.2 inch or 76.8 x 51.2 cm, for very good quality (250 dpi) 24.2 x 16.1 inch or 61.4 x 41 cm, and for excellent quality (300 dpi) 20.2 x 13.4 inch or 51.2 x 34.1 cm. The corresponding values for the Canon 550D are 25.9 x 17.3 inch or 65.8 x 43.9 cm for good quality, 20.7 x 13.8 inch or 52.7 x 35.1 cm for very good quality, and 17.3 x 11.5 inch or 43.9 x 29.3 cm for excellent quality prints.

The Canon EOS 550D has a native sensitivity range from ISO 100 to ISO 6400, which can be extended to ISO 100-12800. The corresponding ISO settings for the Sony Alpha A850 are ISO 200 to ISO 3200, with the possibility to increase the ISO range to 100-6400.

550D versus A850 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). Of the two cameras under consideration, the A850 offers substantially better image quality than the 550D (overall score 13 points higher). The advantage is based on 1.7 bits higher color depth, 0.7 EV in additional dynamic range, and 0.9 stops in additional low light sensitivity. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
 
Canon 550D» APS-C 17.9 5184 34561080/30p22.111.578466Canon 550D
 
Sony A850« Full Frame 24.4 6048 4032-23.812.2141579Sony A850
 
Canon 4000D« » APS-C 17.9 5184 34561080/30p21.911.469563Canon 4000D
 
Canon 750D« » APS-C 24.0 6000 40001080/60p22.712.091971Canon 750D
 
Canon 760D« » APS-C 24.0 6000 40001080/30p22.612.091570Canon 760D
 
Canon 1200D« » APS-C 17.9 5184 34561080/30p21.911.372463Canon 1200D
 
Canon 700D« » APS-C 17.9 5184 34561080/30p21.711.268161Canon 700D
 
Canon 650D« » APS-C 17.9 5184 34561080/30p21.711.272262Canon 650D
 
Canon 600D« » APS-C 17.9 5184 34561080/30p22.111.579365Canon 600D
 
Canon 1100D« » APS-C 12.2 4272 2848720/30p21.911.075562Canon 1100D
 
Canon 500D« » APS-C 15.1 4752 31681080/20p21.711.566363Canon 500D
 
Nikon D750« » Full Frame 24.2 6016 40161080/60p24.814.5295693Nikon D750
 
Nikon D5100« » APS-C 16.1 4928 32641080/30p23.513.6118380Nikon D5100
 
Sony A7 II« » Full Frame 24.0 6000 40001080/60p24.913.6244990Sony A7 II
 
Sony A7« » Full Frame 24.0 6000 40001080/60p24.814.2224890Sony A7
 
Sony A99« » Full Frame 24.0 6000 40001080/60p25.014.0155589Sony A99
 
Sony A900« » Full Frame 24.4 6048 4032-23.712.3143179Sony A900

Many modern cameras are not only capable of taking still images, but can also record movies. The 550D indeed provides movie recording capabilities, while the A850 does not. The highest resolution format that the 550D can use is 1080/30p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. The 550D and the A850 are similar in the sense that both have an optical viewfinder. The latter is useful for getting a clear image for framing even in brightly lit environments. The viewfinder in the A850 offers a wider field of view (98%) than the one in the 550D (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the A850 has a higher magnification (0.74x vs 0.54x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The following table reports on some other key feature differences and similarities of the Canon 550D, the Sony A850, and comparable cameras.

Core Features
  Camera
Model
Viewfinder
(Type or
'000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
Camera
Model
 
Canon 550D»optical n 3.0 1040 fixed n 1/4000s 3.7 Y n Canon 550D
 
Sony A850«optical Y 3.0 922 fixed n 1/8000s 3.0 n Y Sony A850
 
Canon 4000D« »optical n 2.7 230 fixed n 1/4000s 3.0 Y n Canon 4000D
 
Canon 750D« »optical n 3.0 1040 swivel Y 1/4000s 5.0 Y n Canon 750D
 
Canon 760D« »optical Y 3.0 1040 swivel Y 1/4000s 5.0 Y n Canon 760D
 
Canon 1200D« »optical n 3.0 460 fixed n 1/4000s 3.0 Y n Canon 1200D
 
Canon 700D« »optical n 3.0 1040 swivel Y 1/4000s 5.0 Y n Canon 700D
 
Canon 650D« »optical n 3.0 1040 swivel Y 1/4000s 5.0 Y n Canon 650D
 
Canon 600D« »optical n 3.0 1040 swivel n 1/4000s 3.7 Y n Canon 600D
 
Canon 1100D« »optical n 2.7 230 fixed n 1/4000s 3.0 Y n Canon 1100D
 
Canon 500D« »optical n 3.0 920 fixed n 1/4000s 3.4 Y n Canon 500D
 
Nikon D750« »optical Y 3.2 1229 tilting n 1/4000s 6.0 Y n Nikon D750
 
Nikon D5100« »optical n 3.0 921 swivel n 1/4000s 4.0 Y n Nikon D5100
 
Sony A7 II« »2400 n 3.0 1230 tilting n 1/8000s 5.0 n Y Sony A7 II
 
Sony A7« »2400 n 3.0 1230 tilting n 1/8000s 5.0 n n Sony A7
 
Sony A99« »2359 Y 3.0 1229 full-flex n 1/8000s 6.0 n Y Sony A99
 
Sony A900« »optical Y 3.0 922 fixed n 1/8000s 5.0 n Y Sony A900

One difference between the cameras concerns the presence of an on-board flash. The 550D has one, while the A850 does not. While the built-in flash of the 550D is not very powerful, it can at times be useful as a fill-in light.

The 550D writes its imaging data to SDXC cards, while the A850 uses Compact Flash or Memory Stick PRO Duo cards. The A850 features dual card slots, which can be very useful in case a memory card fails. In contrast, the 550D only has one slot.

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Connectivity comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Canon EOS 550D and Sony Alpha A850 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Canon 550D»Ystereo-Y-mini2.0---Canon 550D
 
Sony A850«Y----mini2.0---Sony A850
 
Canon 4000D« »Ymonomono--mini2.0YY-Canon 4000D
 
Canon 750D« »YstereomonoY-mini2.0YY-Canon 750D
 
Canon 760D« »YstereomonoY-mini2.0YY-Canon 760D
 
Canon 1200D« »Ymonomono--mini2.0---Canon 1200D
 
Canon 700D« »YstereomonoY-mini2.0---Canon 700D
 
Canon 650D« »YstereomonoY-mini2.0---Canon 650D
 
Canon 600D« »YmonomonoY-mini2.0---Canon 600D
 
Canon 1100D« »Ystereomono--mini2.0---Canon 1100D
 
Canon 500D« »Ymonomono--mini2.0---Canon 500D
 
Nikon D750« »YstereomonoYYmini2.0Y--Nikon D750
 
Nikon D5100« »YmonomonoY-mini2.0---Nikon D5100
 
Sony A7 II« »YstereomonoYYmicro2.0YY-Sony A7 II
 
Sony A7« »YstereomonoYYmicro2.0YY-Sony A7
 
Sony A99« »YstereomonoYYmini2.0---Sony A99
 
Sony A900« »Y----mini2.0---Sony A900

Studio photographers will appreciate that the Sony A850 (unlike the 550D) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the 550D and the A850 have been discontinued, but can regularly be found used on eBay. The 550D was replaced by the Canon 600D, while the A850 does not have a direct successor. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon and Sony websites.


Review summary

So what conclusions can be drawn? Is there a clear favorite between the Canon 550D and the Sony A850? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.

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Reasons to prefer the Canon EOS 550D:

  • Broader imaging potential: Can record not only still images but also 1080/30p movies.
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 922k dots).
  • Faster burst: Shoots at higher frequency (3.7 vs 3 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (129x98mm vs 156x117mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 365g or 41 percent) and hence easier to carry around.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced into a lower priced category (65 percent cheaper at launch).
  • More modern: Is somewhat more recent (announced 5 months after the A850).

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Arguments in favor of the Sony Alpha A850:

  • More detail: Has more megapixels (24.4 vs 17.9MP), which boosts linear resolution by 17%.
  • Better image quality: Scores substantially higher (13 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (1.7 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (0.7 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (0.9 stops ISO advantage).
  • More complete view: Has a viewfinder with a larger field of view (98% vs 95%).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.74x vs 0.54x).
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Longer lasting: Gets more shots (880 versus 440) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • More heavily discounted: Has been on the market for longer (launched in August 2009).

If the count of individual advantages (bullet points above) is taken as a guide, the A850 is the clear winner of the contest (15 : 8 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

550D 08:15 A850

How about other alternatives? Do the specifications of the Canon 550D and the Sony A850 place the cameras among the top in their class? Find out in the latest Best DSLR Camera listing whether the two cameras rank among the cream of the crop.

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the 550D or the A850. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews

This is why hands-on reviews by experts are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear review sites (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

Review Scores
  Camera
Model
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Canon 550D»+ +77/1004/55/54.5/5 Feb 2010 699- i Canon 550D
 
Sony A850«-75/100-4/54.5/5 Aug 2009 1,999- i Sony A850
 
Canon 4000D« »o-3.5/5-3.5/5 Feb 2018 399 i i Canon 4000D
 
Canon 750D« »-75/1004.5/54.5/54.5/5 Feb 2015 749- i Canon 750D
 
Canon 760D« »+77/1004.5/54.5/54.5/5 Feb 2015 649- i Canon 760D
 
Canon 1200D« »+-4/54/54.5/5 Feb 2014 449- i Canon 1200D
 
Canon 700D« »-76/1004.5/54.5/54.5/5 Mar 2013 649- i Canon 700D
 
Canon 650D« »+ +77/1004.5/54.5/54.5/5 Jun 2012 849- i Canon 650D
 
Canon 600D« »o77/1004.5/55/54.5/5 Feb 2011 599- i Canon 600D
 
Canon 1100D« »80/10069/1004/54/54.5/5 Feb 2011 449- i Canon 1100D
 
Canon 500D« »+ +74/1004.5/55/54.5/5 Mar 2009 799- i Canon 500D
 
Nikon D750« »+ +90/1004.5/55/54.5/5 Sep 2014 2,299- i Nikon D750
 
Nikon D5100« »+ +76/1004.5/55/54.5/5 Apr 2011 749- i Nikon D5100
 
Sony A7 II« »+82/1004.5/55/55/5 Nov 2014 1,999- i Sony A7 II
 
Sony A7« »+ +80/1005/54.5/55/5 Oct 2013 1,699- i Sony A7
 
Sony A99« »-84/1004.5/5o4.5/5 Sep 2012 2,799- i Sony A99
 
Sony A900« »+ ++ +4.5/54/55/5 Sep 2008 2,999- i Sony A900
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (-) not available.

Care should be taken when interpreting the review scores above, though. The assessments were made in relation to similar cameras of the same technological generation. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and comparisons of ratings among very different cameras or across long time periods have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

Canon 550D:
Check Ebay offers
Sony A850:
Check Ebay offers

Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just make your choice using the following search menu. 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: Canon 550D vs Sony A850

    Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.

    Camera Specifications
    Camera Model Canon 550D Sony A850
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Canon EF mount lenses Sony A mount lenses
    Launch Date February 2010 August 2009
    Launch Price USD 699 USD 1999
    Sensor Specs Canon 550D Sony A850
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor Full Frame Sensor
    Sensor Size 22.3 x 14.9 mm 35.9 x 24.0 mm
    Sensor Area 332.27 mm2 861.6 mm2
    Sensor Diagonal 26.8 mm 43.2 mm
    Crop Factor 1.6x 1.0x
    Sensor Resolution 17.9 Megapixels 24.4 Megapixels
    Image Resolution 5184 x 3456 pixels 6048 x 4032 pixels
    Pixel Pitch 4.31 μm 5.94 μm
    Pixel Density 5.39 MP/cm2 2.83 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/30p Video no Video
    ISO Setting 100-6400 ISO 200-3200 ISO
    ISO Boost 100-12800 ISO 100-6400 ISO
    Image Processor DIGIC 4 BIONZ
    DXO Sensor Quality (score) 66 79
    DXO Color Depth (bits) 22.1 23.8
    DXO Dynamic Range (EV) 11.5 12.2
    DXO Low Light (ISO) 784 1415
    Screen Specs Canon 550D Sony A850
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 95% 98%
    Viewfinder Magnification 0.54x 0.74x
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View
    Rear LCD Size 3.0 inch 3.0 inch
    LCD Resolution 1040k dots 922k dots
    LCD Attachment Fixed screen Fixed screen
    Shooting Specs Canon 550D Sony A850
    Autofocus System Phase-detect AF Phase-detect AF
    Continuous Shooting 3.7 shutter flaps/s 3 shutter flaps/s
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Build-in Flash no On-Board Flash
    Storage Medium SDXC cards CF or MS cards
    Second Storage Option Single card slot Dual card slots
    Connectivity Specs Canon 550D Sony A850
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI mini HDMI
    Microphone Port External MIC port no MIC socket
    Wifi Support no Wifi no Wifi
    Body Specs Canon 550D Sony A850
    Environmental SealingNot weather sealedWeathersealed body
    Battery Type LP-E8 NP-FM500H
    Battery Life (CIPA)440 shots per charge880 shots per charge
    Body Dimensions 129 x 98 x 62 mm
    (5.1 x 3.9 x 2.4 in)
    156 x 117 x 82 mm
    (6.1 x 4.6 x 3.2 in)
    Camera Weight 530 g (18.7 oz) 895 g (31.6 oz)

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