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Canon 1D Mark III vs T2i

The Canon EOS-1D Mark III and the Canon EOS Rebel T2i (labelled Canon 550D in some countries) are two digital cameras that were revealed to the public, respectively, in February 2007 and February 2010. Both are DSLR (Digital Single Lens Reflex) cameras that are based on an APS-H (1D Mark III) and an APS-C (T2i) sensor. The 1D Mark III has a resolution of 10.1 megapixels, whereas the T2i provides 17.9 MP.

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

Headline Specifications
Canon 1D Mark III
versus
Canon T2i
Canon 1D Mark III   Canon T2i
Digital single lens reflex Digital single lens reflex
Canon EF mount lenses Canon EF mount lenses
10.1 MP – APS-H sensor 17.9 MP – APS-C sensor
no Video 1080/30p Video
ISO 100-3,200 (50 - 6,400) ISO 100-6,400 (100 - 12,800)
Optical viewfinder Optical viewfinder
3.0" LCD – 230k dots 3.0" LCD – 1040k dots
Fixed screen (not touch-sensitive) Fixed screen (not touch-sensitive)
10 shutter flaps per second 3.7 shutter flaps per second
Weathersealed bodynot weather sealed
2200 shots per battery charge440 shots per battery charge
156 x 157 x 80 mm, 1155 g 129 x 98 x 62 mm, 530 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS-1D Mark III and the Canon EOS Rebel T2i? 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.

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Body comparison

The physical size and weight of the Canon 1D Mark III and the Canon T2i 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 1D Mark III vs Canon T2i
Compare 1D Mark III versus T2i top
Comparison 1D Mark III or T2i rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon T2i is considerably smaller (48 percent) than the Canon 1D Mark III. Moreover, the T2i is substantially lighter (54 percent) than the 1D Mark III. It is worth mentioning in this context that the 1D Mark III is splash and dust resistant, while the T2i 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. A larger imaging sensor (as in the 1D Mark III) will tend to go along with bigger and heavier lenses, while more compact options are available for the smaller-sensor camera (T2i). You can compare the optics available in the Canon EF Lens Catalog.

Concerning battery life, the 1D Mark III gets 2200 shots out of its Canon LP-E4 battery, while the T2i can take 440 images on a single charge of its Canon LP-E8 power pack. As can be seen in the images above, the 1D Mark III has a battery grip built in. This facilitates image-taking in portrait orientation and gives it additional battery power. In order to provide similar functionality for the T2i, Canon provides the BG-E8 vertical grip as an optional accessory (see here on ebay).

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.

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Body Specifications
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon 1D Mark III 156 mm 157 mm 80 mm 1155 g 2200 Y Feb 2007 4,499ebay.com
2.
 
Canon T2i 129 mm 98 mm 62 mm 530 g 440 n Feb 2010 699ebay.com
3.
 
Canon 5DS R 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699ebay.com
4.
 
Canon T6s 132 mm 101 mm 78 mm 565 g 440 n Feb 2015 649ebay.com
5.
 
Canon T5i 133 mm 100 mm 79 mm 580 g 440 n Mar 2013 649ebay.com
6.
 
Canon 5D Mark III 152 mm 116 mm 76 mm 950 g 950 Y Mar 2012 3,499ebay.com
7.
 
Canon T4i 133 mm 100 mm 79 mm 575 g 440 n Jun 2012 849ebay.com
8.
 
Canon T3i 133 mm 100 mm 80 mm 570 g 440 n Feb 2011 599ebay.com
9.
 
Canon 1D Mark IV 156 mm 157 mm 80 mm 1230 g 1500 Y Oct 2009 4,999ebay.com
10.
 
Canon T1i 129 mm 98 mm 62 mm 520 g 400 n Mar 2009 799ebay.com
11.
 
Canon 5D Mark II 152 mm 114 mm 75 mm 850 g 850 Y Sep 2008 3,499ebay.com
12.
 
Canon 1Ds Mark III 150 mm 160 mm 80 mm 1385 g 1800 Y Aug 2007 7,999ebay.com
13.
 
Canon 1D Mark II N 156 mm 158 mm 80 mm 1565 g 1200 Y Aug 2005 3,999ebay.com
14.
 
Canon 1D Mark II 156 mm 158 mm 80 mm 1535 g 1200 Y Jan 2004 4,499ebay.com
15.
 
Canon 1Ds 156 mm 158 mm 80 mm 1265 g 600 Y Sep 2002 8,999ebay.com
16.
 
Nikon D3 160 mm 157 mm 88 mm 1300 g 4300 Y Aug 2007 4,999ebay.com
17.
 
Nikon D2Xs 158 mm 150 mm 86 mm 1252 g 3800 Y Jun 2006 4,699ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
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The price is, of course, an important factor in any camera decision. The retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The T2i was launched at a markedly lower price (by 84 percent) than the 1D Mark III, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. 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.

Sensor comparison

The imaging sensor is at the core of digital cameras and its size is one of the main determining factors of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units in a sensor of the same technological generation. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the background. On the downside, larger sensors tend to be more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Canon 1D Mark III features an APS-H sensor and the Canon T2i an APS-C sensor. The sensor area in the T2i is 37 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.3 and 1.6. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Technology-wise, the T2i uses a more advanced image processing engine (DIGIC 4) than the 1D Mark III (DIGIC III), with benefits for noise reduction, color accuracy, and processing speed.

Canon 1D Mark III and Canon T2i sensor measures

Despite having a smaller sensor, the T2i offers a higher resolution of 17.9 megapixels, compared with 10.1 MP of the 1D Mark III. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 4.31μm versus 7.21μm for the 1D Mark III). However, it should be noted that the T2i is much more recent (by 2 years and 11 months) than the 1D Mark III, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently.

The resolution advantage of the Canon T2i implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the T2i for good quality output (200 dots per inch) amounts to 25.9 x 17.3 inches or 65.8 x 43.9 cm, for very good quality (250 dpi) 20.7 x 13.8 inches or 52.7 x 35.1 cm, and for excellent quality (300 dpi) 17.3 x 11.5 inches or 43.9 x 29.3 cm. The corresponding values for the Canon 1D Mark III are 19.4 x 13 inches or 49.4 x 32.9 cm for good quality, 15.6 x 10.4 inches or 39.5 x 26.3 cm for very good quality, and 13 x 8.6 inches or 32.9 x 21.9 cm for excellent quality prints.

The Canon EOS-1D Mark III has a native sensitivity range from ISO 100 to ISO 3200, which can be extended to ISO 50-6400. The corresponding ISO settings for the Canon EOS Rebel T2i are ISO 100 to ISO 6400, with the possibility to increase the ISO range to 100-12800.

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

1D Mark III versus T2i MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. Of the two cameras under review, the 1D Mark III has a notably higher overall DXO score than the T2i (overall score 5 points higher), which gives it an advantage in terms of imaging quality. This advantage is based on 0.6 bits higher color depth, 0.2 EV in additional dynamic range, and 0.5 stops in additional low light sensitivity. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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Sensor Characteristics
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Canon 1D Mark III APS-H 10.1 3888 2592none22.711.7107871
2.
 
Canon T2i APS-C 17.9 5184 34561080/30p22.111.578466
3.
 
Canon 5DS R Full Frame 50.3 8688 57921080/30p24.612.4230886
4.
 
Canon T6s APS-C 24.0 6000 40001080/30p22.612.091570
5.
 
Canon T5i APS-C 17.9 5184 34561080/30p21.711.268161
6.
 
Canon 5D Mark III Full Frame 22.1 5760 38401080/30p24.011.7229381
7.
 
Canon T4i APS-C 17.9 5184 34561080/30p21.711.272262
8.
 
Canon T3i APS-C 17.9 5184 34561080/30p22.111.579365
9.
 
Canon 1D Mark IV APS-H 16.0 4896 32641080/30p22.812.0132074
10.
 
Canon T1i APS-C 15.1 4752 31681080/20p21.711.566363
11.
 
Canon 5D Mark II Full Frame 21.0 5616 37441080/30p23.711.9181579
12.
 
Canon 1Ds Mark III Full Frame 21.0 5616 3744none24.012.0166380
13.
 
Canon 1D Mark II N APS-H 8.2 3504 2336none22.311.297566
14.
 
Canon 1D Mark II APS-H 8.2 3504 2336none22.311.1100366
15.
 
Canon 1Ds Full Frame 11.0 4064 2704none21.811.095463
16.
 
Nikon D3 Full Frame 12.1 4256 2832none23.512.2229081
17.
 
Nikon D2Xs APS-C 12.2 4288 2848none22.210.948959
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Many modern cameras cannot only take still pictures, but also record videos. The T2i indeed provides for movie recording, while the 1D Mark III does not. The highest resolution format that the T2i can use is 1080/30p.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. The 1D Mark III and the T2i 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 1D Mark III offers a wider field of view (100%) than the one in the T2i (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the 1D Mark III has a higher magnification (0.58x vs 0.54x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The table below summarizes some of the other core capabilities of the Canon 1D Mark III and Canon T2i in connection with corresponding information for a sample of similar cameras.

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Core Features
# image Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Canon 1D Mark IIIoptical Y3.0 / 230 fixed n 1/8000s 10.0/s n n
2.
 
Canon T2ioptical n3.0 / 1040 fixed n 1/4000s 3.7/s Y n
3.
 
Canon 5DS Roptical Y3.2 / 1040 fixed n 1/8000s 5.0/s n n
4.
 
Canon T6soptical Y3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
5.
 
Canon T5ioptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
6.
 
Canon 5D Mark IIIoptical Y3.2 / 1040 fixed n 1/8000s 6.0/s n n
7.
 
Canon T4ioptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
8.
 
Canon T3ioptical n3.0 / 1040 swivel n 1/4000s 3.7/s Y n
9.
 
Canon 1D Mark IVoptical Y3.0 / 920 fixed n 1/8000s 10.0/s n n
10.
 
Canon T1ioptical n3.0 / 920 fixed n 1/4000s 3.4/s Y n
11.
 
Canon 5D Mark IIoptical Y3.0 / 920 fixed n 1/8000s 3.9/s n n
12.
 
Canon 1Ds Mark IIIoptical Y3.0 / 230 fixed n 1/8000s 5.0/s n n
13.
 
Canon 1D Mark II Noptical Y2.5 / 230 fixed n 1/8000s 8.5/s n n
14.
 
Canon 1D Mark IIoptical Y2.0 / 230 fixed n 1/8000s 8.3/s n n
15.
 
Canon 1Dsoptical Y2.0 / 120 fixed n 1/8000s 3.0/s n n
16.
 
Nikon D3optical Y3.0 / 922 fixed n 1/8000s 11.0/s n n
17.
 
Nikon D2Xsoptical Y2.5 / 230 fixed n 1/8000s 5.0/s n n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
padding

One feature that is present on the 1D Mark III, but is missing on the T2i is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.

The 1D Mark III writes its imaging data to Compact Flash or SDHC cards, while the T2i uses SDXC cards. The 1D Mark III features dual card slots, which can be very useful in case a memory card fails. In contrast, the T2i 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-1D Mark III and Canon EOS Rebel T2i and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
# image Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Canon 1D Mark IIIY- / ----2.0---
2.
 
Canon T2iYstereo / -Y-mini2.0---
3.
 
Canon 5DS RYmono / monoY-mini3.0---
4.
 
Canon T6sYstereo / monoY-mini2.0YY-
5.
 
Canon T5iYstereo / monoY-mini2.0---
6.
 
Canon 5D Mark IIIYmono / monoYYmini2.0---
7.
 
Canon T4iYstereo / monoY-mini2.0---
8.
 
Canon T3iYmono / monoY-mini2.0---
9.
 
Canon 1D Mark IVYstereo / -Y-mini2.0---
10.
 
Canon T1iYmono / mono--mini2.0---
11.
 
Canon 5D Mark IIYmono / monoY-mini2.0---
12.
 
Canon 1Ds Mark IIIYmono / ----2.0---
13.
 
Canon 1D Mark II NY- / ----1.1---
14.
 
Canon 1D Mark IIY- / ----1.1---
15.
 
Canon 1DsY- / ----FW---
16.
 
Nikon D3Y- / ---mini2.0---
17.
 
Nikon D2XsY- / ----2.0---
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Studio photographers will appreciate that the Canon 1D Mark III (unlike the T2i) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the 1D Mark III and the T2i have been discontinued, but can regularly be found used on ebay. The 1D Mark III was replaced by the Canon 1D Mark IV, while the T2i was followed by the Canon T3i. Further information on the features and operation of the 1D Mark III and T2i can be found, respectively, in the Canon 1D Mark III Manual (free pdf) or the online Canon T2i Manual.

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Review summary

So what conclusions can be drawn? Is the Canon 1D Mark III better than the Canon T2i or vice versa? The listing below highlights the relative strengths of the two models.


Reasons to prefer the Canon EOS-1D Mark III:

  • Better image quality: Scores markedly higher (5 points) in the DXO overall assessment.
  • Better low-light sensitivity: Requires less light for good images (0.5 stops ISO advantage).
  • More complete view: Has a viewfinder with a larger field of view (100% vs 95%).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.58x vs 0.54x).
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (10 vs 3.7 flaps/sec) to capture the decisive moment.
  • More portrait friendly: Features an integrated vertical grip for easier portrait shooting.
  • Longer lasting: Can take more shots (2200 versus 440) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • 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 available for much longer (launched in February 2007).


Advantages of the Canon EOS Rebel T2i:

  • More detail: Has more megapixels (17.9 vs 10.1MP), which boosts linear resolution by 33%.
  • Better jpgs: Has a more modern image processing engine (DIGIC 4 vs DIGIC III).
  • Broader imaging potential: Can capture not only stills but also 1080/30p video.
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 230k dots).
  • More compact: Is smaller (129x98mm vs 156x157mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 625g or 54 percent) and is thus easier to take along.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • More affordable: Was introduced into a lower priced category (84 percent cheaper at launch).
  • More modern: Reflects 2 years and 11 months of technical progress since the 1D Mark III launch.

If the count of individual advantages (bullet points above) is taken as a guide, the 1D Mark III is the clear winner of the match-up (13 : 9 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.

1D Mark III 13:09 T2i

How about other alternatives? Do the specifications of the Canon 1D Mark III and the Canon T2i 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 1D Mark III or the T2i. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.

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 (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). 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.

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Expert Camera Reviews
# image  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon 1D Mark III............ Feb 2007 4,499ebay.com
2.
 
Canon T2i..+ +..77/1004/54.5/5 Feb 2010 699ebay.com
3.
 
Canon 5DS R5/5+..83/1005/54.5/5 Feb 2015 3,699ebay.com
4.
 
Canon T6s5/5+..77/1004.5/54.5/5 Feb 2015 649ebay.com
5.
 
Canon T5i......76/1004.5/54.5/5 Mar 2013 649ebay.com
6.
 
Canon 5D Mark III..+ +..82/1004.5/54.5/5 Mar 2012 3,499ebay.com
7.
 
Canon T4i4/5+ +..77/1004.5/54.5/5 Jun 2012 849ebay.com
8.
 
Canon T3i3/5o..77/1004.5/54.5/5 Feb 2011 599ebay.com
9.
 
Canon 1D Mark IV5/5....89/100.... Oct 2009 4,999ebay.com
10.
 
Canon T1i..+ +..74/1004.5/54.5/5 Mar 2009 799ebay.com
11.
 
Canon 5D Mark II4/591/100..79/1004/5.. Sep 2008 3,499ebay.com
12.
 
Canon 1Ds Mark III......+ +4.5/5.. Aug 2007 7,999ebay.com
13.
 
Canon 1D Mark II N............ Aug 2005 3,999ebay.com
14.
 
Canon 1D Mark II......+ +.... Jan 2004 4,499ebay.com
15.
 
Canon 1Ds......+ +.... Sep 2002 8,999ebay.com
16.
 
Nikon D3......+ +5/54.5/5 Aug 2007 4,999ebay.com
17.
 
Nikon D2Xs............ Jun 2006 4,699ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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Care should be taken when interpreting the review scores above, though. The ratings are only valid when referring to cameras in the same category and of the same age. Hence, a score should always be seen in the context of the camera's market launch date and its price, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

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Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just make a corresponding selection in the search boxes below. As 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: Canon 1D Mark III vs Canon T2i

    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 1D Mark III Canon T2i
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Canon EF mount lenses Canon EF mount lenses
    Launch Date February 2007 February 2010
    Launch Price USD 4,499 USD 699
    Sensor Specs Canon 1D Mark III Canon T2i
    Sensor Technology CMOS CMOS
    Sensor Format APS-H Sensor APS-C Sensor
    Sensor Size 28.1 x 18.7 mm 22.3 x 14.9 mm
    Sensor Area 525.47 mm2 332.27 mm2
    Sensor Diagonal 33.8 mm 26.8 mm
    Crop Factor 1.3x 1.6x
    Sensor Resolution 10.1 Megapixels 17.9 Megapixels
    Image Resolution 3888 x 2592 pixels 5184 x 3456 pixels
    Pixel Pitch 7.21 μm 4.31 μm
    Pixel Density 1.92 MP/cm2 5.39 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability no Video 1080/30p Video
    ISO Setting 100 - 3,200 ISO 100 - 6,400 ISO
    ISO Boost 50 - 6,400 ISO 100 - 12,800 ISO
    Image Processor DIGIC III DIGIC 4
    DXO Sensor Quality (score) 71 66
    DXO Color Depth (bits) 22.7 22.1
    DXO Dynamic Range (EV) 11.7 11.5
    DXO Low Light (ISO) 1078 784
    Screen Specs Canon 1D Mark III Canon T2i
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 100% 95%
    Viewfinder Magnification 0.58x 0.54x
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 230k dots 1040k dots
    LCD Attachment Fixed screen Fixed screen
    Shooting Specs Canon 1D Mark III Canon T2i
    Focus System Phase-detect AF Phase-detect AF
    Continuous Shooting 10 shutter flaps/s 3.7 shutter flaps/s
    Shutter Life Expectancy300 000 actuations100 000 actuations
    Fill Flash no On-Board Flash Built-in Flash
    Storage Medium CF or SDHC cards SDXC cards
    Single or Dual Card Slots Dual card slots Single card slot
    UHS card support no no
    Connectivity Specs Canon 1D Mark III Canon T2i
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 2.0 USB 2.0
    HDMI Port no HDMI mini HDMI
    Microphone Port no MIC socket External MIC port
    Wifi Support no Wifi no Wifi
    Body Specs Canon 1D Mark III Canon T2i
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type Canon LP-E4 Canon LP-E8
    Battery Life (CIPA)2200 shots per charge440 shots per charge
    Body Dimensions 156 x 157 x 80 mm
    (6.1 x 6.2 x 3.1 in)
    129 x 98 x 62 mm
    (5.1 x 3.9 x 2.4 in)
    Camera Weight 1155 g (40.7 oz) 530 g (18.7 oz)
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