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Canon 1D Mark III vs XTi

The Canon EOS-1D Mark III and the Canon EOS Rebel XTi (labelled Canon 400D in some countries) are two digital cameras that were announced, respectively, in February 2007 and August 2006. Both are DSLR (Digital Single Lens Reflex) cameras that are based on an APS-H (1D Mark III) and an APS-C (XTi) sensor. Both cameras offer a resolution of 10.1 megapixels.

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   Canon XTi
Canon 1D Mark III Canon XTi
Digital single lens reflex Digital single lens reflex
Canon EF mount lenses Canon EF mount lenses
10.1 MP, APS-H Sensor 10.1 MP, APS-C Sensor
no Video no Video
ISO 100-3200 (50-6400) ISO 100-1600
Optical viewfinder Optical viewfinder
3.0" LCD, 230k dots 2.5" LCD, 230k dots
Fixed screen (not touch-sensitive) Fixed screen (not touch-sensitive)
10 shutter flaps per second 3 shutter flaps per second
Weathersealed bodyNot weather sealed
2200 shots per battery charge370 shots per battery charge
156 x 157 x 80 mm, 1155 g 127 x 84 x 65 mm, 556 g

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 XTi? 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: Canon 1D Mark III vs XTi

The physical size and weight of the Canon 1D Mark III and the Canon XTi are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth dimensions are rounded to the nearest millimeter.

Size Canon 1D Mark III vs Canon XTi
Compare 1D Mark III versus XTi top
Comparison 1D Mark III or XTi rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon XTi is considerably smaller (56 percent) than the Canon 1D Mark III. Moreover, the XTi is substantially lighter (52 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 XTi 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 (XTi). 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 LP-E4 battery, while the XTi can take 370 images on a single charge of its NB-2LH 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 XTi, Canon provides the BG-E3 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. In case you want to display and compare another camera duo, just click on the right or left arrow next to the camera that you would like to inspect. Alternatively, you can also use the CAM-parator to select your camera combination among a larger number of options.

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 1D Mark III» 6.1 in 6.2 in 3.1 in 40.7 oz 2200 Y Feb 2007 4,499- i Canon 1D Mark III
 
Canon XTi« 5.0 in 3.3 in 2.6 in 19.6 oz 370 n Aug 2006 799- i Canon XTi
 
Canon 5DS R« » 6.0 in 4.6 in 3.0 in 32.8 oz 700 Y Feb 2015 3,699 i i Canon 5DS R
 
Canon T6i« » 5.2 in 4.0 in 3.1 in 19.6 oz 440 n Feb 2015 749- i Canon T6i
 
Canon T6s« » 5.2 in 4.0 in 3.1 in 19.9 oz 440 n Feb 2015 649- i Canon T6s
 
Canon 5D Mark III« » 6.0 in 4.6 in 3.0 in 33.5 oz 950 Y Mar 2012 3,499- i Canon 5D Mark III
 
Canon 1D Mark IV« » 6.1 in 6.2 in 3.1 in 43.4 oz 1500 Y Oct 2009 4,999- i Canon 1D Mark IV
 
Canon 5D Mark II« » 6.0 in 4.5 in 3.0 in 30.0 oz 850 Y Sep 2008 3,499- i Canon 5D Mark II
 
Canon XSi« » 5.1 in 3.9 in 2.4 in 18.5 oz 500 n Jan 2008 799- i Canon XSi
 
Canon 1Ds Mark III« » 5.9 in 6.3 in 3.1 in 48.9 oz 1800 Y Aug 2007 7,999- i Canon 1Ds Mark III
 
Canon 1D Mark II N« » 6.1 in 6.2 in 3.1 in 55.2 oz 1200 Y Aug 2005 3,999- i Canon 1D Mark II N
 
Canon XT« » 5.0 in 3.7 in 2.5 in 19.0 oz 400 n Feb 2005 899- i Canon XT
 
Canon 1D Mark II« » 6.1 in 6.2 in 3.1 in 54.1 oz 1200 Y Jan 2004 4,499- i Canon 1D Mark II
 
Canon Rebel« » 5.6 in 3.9 in 2.8 in 22.9 oz 400 n Aug 2003 899- i Canon Rebel
 
Canon 1Ds« » 6.1 in 6.2 in 3.1 in 44.6 oz 600 Y Sep 2002 8,999- i Canon 1Ds
 
Nikon D3« » 6.3 in 6.2 in 3.5 in 45.9 oz 4300 Y Aug 2007 4,999- i Nikon D3
 
Nikon D2Xs« » 6.2 in 5.9 in 3.4 in 44.2 oz 3800 Y Jun 2006 4,699- i Nikon D2Xs
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

The price is, of course, an important factor in any camera decision. 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 XTi was launched at a markedly lower price (by 82 percent) than the 1D Mark III, 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

 

Sensor comparison: Canon 1D Mark III vs XTi

The size of the sensor inside a digital camera is one of the key determinants 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. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its 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 XTi an APS-C sensor. The sensor area in the XTi 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.

In terms of chip-set technology, the 1D Mark III uses a more advanced image processing engine (DIGIC III) than the XTi (DIGIC II), with benefits for noise reduction, color accuracy, and processing speed.

Canon 1D Mark III and Canon XTi sensor measures

Even though the 1D Mark III has a larger sensor, both cameras offer the same resolution of 10.1 megapixels. This implies that the 1D Mark III has a lower pixel density and larger individual pixels (with a pixel pitch of 7.21μm versus 5.71μm for the XTi), which gives it a potential advantage in terms of light gathering capacity. In addition, the 1D Mark III is a somewhat more recent model (by 5 months) than the XTi, and its sensor might have benefitted from technological advances during this time.

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 XTi are ISO 100 to ISO 1600 (no boost).

1D Mark III versus XTi MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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 review, the 1D Mark III has a notably higher overall DXO score than the XTi (overall score 9 points higher), which gives it an advantage in terms of imaging quality. This advantage is based on 0.6 bits higher color depth, 0.7 EV in additional dynamic range, and 0.7 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.

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 1D Mark III» APS-H 10.1 3888 2592-22.711.7107871Canon 1D Mark III
 
Canon XTi« APS-C 10.1 3888 2592-22.111.066462Canon XTi
 
Canon 5DS R« » Full Frame 50.3 8688 57921080/30p24.612.4230886Canon 5DS R
 
Canon T6i« » APS-C 24.0 6000 40001080/60p22.712.091971Canon T6i
 
Canon T6s« » APS-C 24.0 6000 40001080/30p22.612.091570Canon T6s
 
Canon 5D Mark III« » Full Frame 22.1 5760 38401080/30p24.011.7229381Canon 5D Mark III
 
Canon 1D Mark IV« » APS-H 16.0 4896 32641080/30p22.812.0132074Canon 1D Mark IV
 
Canon 5D Mark II« » Full Frame 21.0 5616 37441080/30p23.711.9181579Canon 5D Mark II
 
Canon XSi« » APS-C 12.2 4272 2848-21.910.869261Canon XSi
 
Canon 1Ds Mark III« » Full Frame 21.0 5616 3744-24.012.0166380Canon 1Ds Mark III
 
Canon 1D Mark II N« » APS-H 8.2 3504 2336-22.311.297566Canon 1D Mark II N
 
Canon XT« » APS-C 8.0 3456 2304-21.810.863760Canon XT
 
Canon 1D Mark II« » APS-H 8.2 3504 2336-22.311.1100366Canon 1D Mark II
 
Canon Rebel« » APS-C 6.3 3072 2048-21.010.854455Canon Rebel
 
Canon 1Ds« » Full Frame 11.0 4064 2704-21.811.095463Canon 1Ds
 
Nikon D3« » Full Frame 12.1 4256 2832-23.512.2229081Nikon D3
 
Nikon D2Xs« » APS-C 12.2 4288 2848-22.210.948959Nikon D2Xs
The 1D Mark III offers Live View, so that it can project the live image that the sensor receives onto the rear screen for framing. The XTi lacks this capability. Both cameras are still-image focused and cannot record videos.
 

Feature comparison: Canon 1D Mark III vs XTi

Beyond body and sensor, cameras can and do differ across a range of features. The 1D Mark III and the XTi 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 XTi (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 0.49x), 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 1D Mark III, the Canon XTi, 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 1D Mark III»optical Y 3.0 230 fixed n 1/8000s 10.0 n n Canon 1D Mark III
 
Canon XTi«optical n 2.5 230 fixed n 1/4000s 3.0 Y n Canon XTi
 
Canon 5DS R« »optical Y 3.2 1040 fixed n 1/8000s 5.0 n n Canon 5DS R
 
Canon T6i« »optical n 3.0 1040 swivel Y 1/4000s 5.0 Y n Canon T6i
 
Canon T6s« »optical Y 3.0 1040 swivel Y 1/4000s 5.0 Y n Canon T6s
 
Canon 5D Mark III« »optical Y 3.2 1040 fixed n 1/8000s 6.0 n n Canon 5D Mark III
 
Canon 1D Mark IV« »optical Y 3.0 920 fixed n 1/8000s 10.0 n n Canon 1D Mark IV
 
Canon 5D Mark II« »optical Y 3.0 920 fixed n 1/8000s 3.9 n n Canon 5D Mark II
 
Canon XSi« »optical n 3.0 230 fixed n 1/4000s 3.5 Y n Canon XSi
 
Canon 1Ds Mark III« »optical Y 3.0 230 fixed n 1/8000s 5.0 n n Canon 1Ds Mark III
 
Canon 1D Mark II N« »optical Y 2.5 230 fixed n 1/8000s 8.5 n n Canon 1D Mark II N
 
Canon XT« »optical n 1.8 115 fixed n 1/4000s 3.0 Y n Canon XT
 
Canon 1D Mark II« »optical Y 2.0 230 fixed n 1/8000s 8.3 n n Canon 1D Mark II
 
Canon Rebel« »optical n 1.8 118 fixed n 1/4000s 2.5 Y n Canon Rebel
 
Canon 1Ds« »optical Y 2.0 120 fixed n 1/8000s 3.0 n n Canon 1Ds
 
Nikon D3« »optical Y 3.0 922 fixed n 1/8000s 11.0 n n Nikon D3
 
Nikon D2Xs« »optical Y 2.5 230 fixed n 1/8000s 5.0 n n Nikon D2Xs

One feature that is present on the 1D Mark III, but is missing on the XTi 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 XTi uses Compact Flash cards. The 1D Mark III features dual card slots, which can be very useful in case a memory card fails. In contrast, the XTi only has one slot.

 

Connectivity comparison: Canon 1D Mark III vs XTi

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 XTi 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 1D Mark III»Y-----2.0---Canon 1D Mark III
 
Canon XTi«Y-----2.0---Canon XTi
 
Canon 5DS R« »YmonomonoY-mini3.0---Canon 5DS R
 
Canon T6i« »YstereomonoY-mini2.0YY-Canon T6i
 
Canon T6s« »YstereomonoY-mini2.0YY-Canon T6s
 
Canon 5D Mark III« »YmonomonoYYmini2.0---Canon 5D Mark III
 
Canon 1D Mark IV« »Ystereo-Y-mini2.0---Canon 1D Mark IV
 
Canon 5D Mark II« »YmonomonoY-mini2.0---Canon 5D Mark II
 
Canon XSi« »Y----mini2.0---Canon XSi
 
Canon 1Ds Mark III« »Y-----2.0---Canon 1Ds Mark III
 
Canon 1D Mark II N« »Y-----1.1---Canon 1D Mark II N
 
Canon XT« »Y-----2.0---Canon XT
 
Canon 1D Mark II« »Y-----1.1---Canon 1D Mark II
 
Canon Rebel« »Y-----1.1---Canon Rebel
 
Canon 1Ds« »Y-----FW---Canon 1Ds
 
Nikon D3« »Y----mini2.0---Nikon D3
 
Nikon D2Xs« »Y-----2.0---Nikon D2Xs

Studio photographers will appreciate that the Canon 1D Mark III (unlike the XTi) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the 1D Mark III and the XTi have been discontinued, but can regularly be found used on eBay. The XTi was replaced by the Canon Xsi, while the 1D Mark III was followed by the Canon 1D Mark IV. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon website.


Review summary: Canon 1D Mark III vs XTi

So what conclusions can be drawn? Is there a clear favorite between the Canon 1D Mark III and the Canon XTi? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.


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

  • Better image quality: Scores markedly higher (9 points) in the DXO overall assessment.
  • More dynamic range: Captures a larger spectrum of light and dark details (0.7 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (0.7 stops ISO advantage).
  • Better jpgs: Has a more modern image processing engine (DIGIC III vs DIGIC II).
  • 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 0.49x).
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • Larger screen: Has a bigger rear LCD (3.0" vs 2.5") for image review and settings control.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (10 vs 3 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 370) 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 modern: Is somewhat more recent (announced 5 months after the XTi).


Arguments in favor of the Canon EOS Rebel XTi:

  • More compact: Is smaller (127x84mm vs 156x157mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 599g or 52 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 (82 percent cheaper at launch).
  • More heavily discounted: Has been on the market for longer (launched in August 2006).

If the count of relative strengths (bullet points above) is taken as a measure, the 1D Mark III is the clear winner of the match-up (16 : 5 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. 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 16:05 XTi

How about other alternatives? Do the specifications of the Canon 1D Mark III and the Canon XTi 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 technical specifications can provide a useful overview of the capabilities of different cameras, it remains incomplete and does no justice, for example, to the way the 1D Mark III or the XTi perform in practice. 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: Canon 1D Mark III vs XTi

This is why hands-on reviews by experts are important. The following table reports the overall ratings of the cameras as published by some of the major camera 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 1D Mark III»---o- Feb 2007 4,499- i Canon 1D Mark III
 
Canon XTi«+ ++ +o4.5/54/5 Aug 2006 799- i Canon XTi
 
Canon 5DS R« »+83/1005/55/54.5/5 Feb 2015 3,699 i i Canon 5DS R
 
Canon T6i« »-75/1004.5/54.5/54.5/5 Feb 2015 749- i Canon T6i
 
Canon T6s« »+77/1004.5/54.5/54.5/5 Feb 2015 649- i Canon T6s
 
Canon 5D Mark III« »+ +82/1004.5/55/54.5/5 Mar 2012 3,499- i Canon 5D Mark III
 
Canon 1D Mark IV« »-89/100-5/5- Oct 2009 4,999- i Canon 1D Mark IV
 
Canon 5D Mark II« »91/10079/1004/55/5- Sep 2008 3,499- i Canon 5D Mark II
 
Canon XSi« »+ ++ +4/55/54.5/5 Jan 2008 799- i Canon XSi
 
Canon 1Ds Mark III« »-+ +4.5/5-- Aug 2007 7,999- i Canon 1Ds Mark III
 
Canon 1D Mark II N« »----- Aug 2005 3,999- i Canon 1D Mark II N
 
Canon XT« »80/100+ +oo- Feb 2005 899- i Canon XT
 
Canon 1D Mark II« »-+ +-o- Jan 2004 4,499- i Canon 1D Mark II
 
Canon Rebel« »-+ +-o- Aug 2003 899- i Canon Rebel
 
Canon 1Ds« »-+ +--- Sep 2002 8,999- i Canon 1Ds
 
Nikon D3« »-+ +5/5o4.5/5 Aug 2007 4,999- i Nikon D3
 
Nikon D2Xs« »---o- Jun 2006 4,699- i Nikon D2Xs
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (-) not available.

The review scores listed above should be treated with care, though. The assessments were made in relation to similar cameras of the same technological generation. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparisons of ratings among very different cameras or across long time periods have little meaning. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

Canon 1D Mark III:
Check Ebay offers
Canon XTi:
Check Ebay offers

Other camera comparisons

Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make your choice using the following search menu. 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 XTi

    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 XTi
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Canon EF mount lenses Canon EF mount lenses
    Launch Date February 2007 August 2006
    Launch Price USD 4499 USD 799
    Sensor Specs Canon 1D Mark III Canon XTi
    Sensor Technology CMOS CMOS
    Sensor Format APS-H Sensor APS-C Sensor
    Sensor Size 28.1 x 18.7 mm 22.2 x 14.8 mm
    Sensor Area 525.47 mm2 328.56 mm2
    Sensor Diagonal 33.8 mm 26.7 mm
    Crop Factor 1.3x 1.6x
    Sensor Resolution 10.1 Megapixels 10.1 Megapixels
    Image Resolution 3888 x 2592 pixels 3888 x 2592 pixels
    Pixel Pitch 7.21 μm 5.71 μm
    Pixel Density 1.92 MP/cm2 3.07 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability no Video no Video
    ISO Setting 100-3200 ISO 100-1600 ISO
    ISO Boost 50-6400 ISO no Enhancement
    Image Processor DIGIC III DIGIC II
    DXO Sensor Quality (score) 71 62
    DXO Color Depth (bits) 22.7 22.1
    DXO Dynamic Range (EV) 11.7 11.0
    DXO Low Light (ISO) 1078 664
    Screen Specs Canon 1D Mark III Canon XTi
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 100% 95%
    Viewfinder Magnification 0.58x 0.49x
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View
    Rear LCD Size 3.0 inch 2.5 inch
    LCD Resolution 230k dots 230k dots
    LCD Attachment Fixed screen Fixed screen
    Shooting Specs Canon 1D Mark III Canon XTi
    Autofocus System Phase-detect AF Phase-detect AF
    Continuous Shooting 10 shutter flaps/s 3 shutter flaps/s
    Shutter Life Expectancy300 000 actuations50 000 actuations
    Fill Flash no On-Board Flash Build-in Flash
    Storage Medium CF or SDHC cards CF cards
    Second Storage Option Dual card slots Single card slot
    Connectivity Specs Canon 1D Mark III Canon XTi
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 2.0 USB 2.0
    HDMI Port no HDMI no HDMI
    Wifi Support no Wifi no Wifi
    Body Specs Canon 1D Mark III Canon XTi
    Environmental SealingWeathersealed bodyNot weather sealed
    Battery Type LP-E4 power pack NB-2LH power pack
    Battery Life (CIPA)2200 shots per charge370 shots per charge
    Body Dimensions 156 x 157 x 80 mm
    (6.1 x 6.2 x 3.1 in)
    127 x 84 x 65 mm
    (5.0 x 3.3 x 2.6 in)
    Camera Weight 1155 g (40.7 oz) 556 g (19.6 oz)

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