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Canon 1D Mark III versus Leica M9

The Canon EOS-1D Mark III and the Leica M9 are two digital cameras that were announced, respectively, in February 2007 and September 2009. The 1D Mark III is a DSLR, while the M9 is a rangefinder-style mirrorless camera. The cameras are based on an APS-H (1D Mark III) and a full frame (M9) sensor. The Canon has a resolution of 10.1 megapixel, whereas the Leica provides 18.1 MP. Read on to find out how these two cameras compare with respect to their size, their sensors, their features, and their reception by expert reviewers.

Body comparison: Canon 1D Mark III vs Leica M9

An illustration of the physical size and weight of the Canon 1D Mark III and the Leica M9 is provided 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 dimensions are rounded to the nearest millimeter. If you prefer, you can also use the toggle button to switch to a comparison in percentage terms (in this case, the camera on the left – the 1D Mark III – represents the basis or 100 percent across all the size and weight measures).

Compare Canon 1D Mark III vs Leica M9
Compare 1D Mark III versus M9 top
Compare 1D Mark III and M9 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Leica M9 is considerably smaller (54 percent) than the Canon 1D Mark III. Moreover, the M9 is substantially lighter (49 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 M9 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 will tend to go along with bigger and heavier lenses, although exceptions exist. You can find an overview of optics for the two cameras in the Canon EF Lens Catalog (1D Mark III) and the Leica M Lens Catalog (M9).

As can be seen in the images above, the 1D Mark III has a battery grip build in. This facilitates image-taking in portrait orientation and gives it additional battery power.

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
Leica M9« 5.5 in 3.1 in 1.5 in 20.6 oz .. n Sep 2009 7,999- i Leica M9
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 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 T2i« » 5.1 in 3.9 in 2.4 in 18.7 oz 440 n Feb 2010 699- i Canon T2i
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 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 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 1Ds« » 6.1 in 6.2 in 3.1 in 44.6 oz 600 Y Sep 2002 8,999- i Canon 1Ds
Leica M10« » 5.5 in 3.1 in 1.5 in 23.3 oz 210 n Jan 2017 6,595 i i Leica M10
Leica X Vario« » 5.2 in 2.9 in 3.7 in 24.0 oz 450 n Jun 2013 2,850 i i Leica X Vario
Leica M Typ 240« » 5.5 in 3.1 in 1.7 in 24.0 oz .. Y Sep 2012 6,950- i Leica M Typ 240
Leica M8« » 5.5 in 3.1 in 1.5 in 20.8 oz .. n Sep 2006 5,499- i Leica M8
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

Any camera purchase will naturally be influenced heavily by the price. 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 1D Mark III was launched at a markedly lower price (by 44 percent) than the M9, 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.

 

Sensor comparison: Canon 1D Mark III vs Leica M9

The size of the imaging sensor is a crucial determinant 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 are more costly to manufacture and tend to 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 Leica M9 a full frame sensor. The sensor area in the M9 is 65 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.3 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon 1D Mark III and Leica M9 sensor measures

With 18.1MP, the M9 offers a higher resolution than the 1D Mark III (10.1MP), but the M9 has smaller individual pixels (pixel pitch of 6.91μm versus 7.21μm for the 1D Mark III). Yet, the M9 is a much more recent model (by 2 years and 6 months) than the 1D Mark III, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the M9 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

1D Mark III versus M9 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). The Overall DXO ratings for the two cameras under consideration are close, suggesting that they provide similar image quality. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar 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
Leica M9« Full Frame 18.1 5212 3472-22.511.788469Leica M9
Canon 5DS R« » Full Frame 50.3 8688 57921080/60p24.612.4230886Canon 5DS R
Canon 5D Mark III« » Full Frame 22.1 5760 38401080/30p24.011.7229381Canon 5D Mark III
Canon T2i« » APS-C 17.9 5184 34561080/30p22.111.578466Canon T2i
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 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 1D Mark II« » APS-H 8.2 3504 2336-22.311.1100366Canon 1D Mark II
Canon 1Ds« » Full Frame 11.0 4064 2704-21.811.095463Canon 1Ds
Leica M10« » Full Frame 23.8 5952 3992-24.413.2213386Leica M10
Leica X Vario« » APS-C 16.1 4928 32721080/30p23.412.7132078Leica X Vario
Leica M Typ 240« » Full Frame 23.7 5952 39761080/25p24.013.3186084Leica M Typ 240
Leica M8« » APS-H 10.4 3936 2630-21.111.366359Leica M8
Nikon D3« » Full Frame 12.1 4256 2832-23.512.2229081Nikon D3
Nikon D2Xs« » APS-C 12.2 4288 2848-22.210.948959Nikon D2Xs
Neither the 1D Mark III nor the M9 offer Live View, so that they cannot project the live image that the sensor receives onto the rear screen. Moreover, both cameras are still-image focused and cannot record videos.
 

Feature comparison: Canon 1D Mark III vs Leica M9

Beyond body and sensor, cameras can and do differ across a range of features. The 1D Mark III and the M9 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 adjacent table lists some of the other core features of the Canon 1D Mark III and Leica M9 along with similar information for a selection of comparators. If you need more detail on the specs, you can find comprehensive listings, for example, in the dpreview camera hub.

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)
Shutter
speed
(1/sec)
Shutter
flaps
(1/sec)
Build-in
Flash
(yes/no)
Build-in
Image
Stab
Camera
Model
Canon 1D Mark III»optical Y 3.0 230 fixed n 8000 10.0 n n Canon 1D Mark III
Leica M9«optical n 2.5 230 fixed n 4000 2.0 n n Leica M9
Canon 5DS R« »optical Y 3.2 1040 fixed n 8000 5.0 n n Canon 5DS R
Canon 5D Mark III« »optical Y 3.2 1040 fixed n 8000 6.0 n n Canon 5D Mark III
Canon T2i« »optical n 3.0 1040 fixed n 4000 3.7 Y n Canon T2i
Canon 1D Mark IV« »optical Y 3.0 920 fixed n 8000 10.0 n n Canon 1D Mark IV
Canon 5D Mark II« »optical Y 3.0 920 fixed n 8000 3.9 n n Canon 5D Mark II
Canon 1Ds Mark III« »optical Y 3.0 230 fixed n 8000 5.0 n n Canon 1Ds Mark III
Canon 1D Mark II N« »optical Y 2.5 230 fixed n 8000 8.5 n n Canon 1D Mark II N
Canon 1D Mark II« »optical Y 2.0 230 fixed n 8000 8.3 n n Canon 1D Mark II
Canon 1Ds« »optical Y 2.0 120 fixed n 8000 3.0 n n Canon 1Ds
Leica M10« »optical n 3.0 1037 fixed n 4000 5.0 n n Leica M10
Leica X Vario« »- n 3.0 920 fixed n 2000 5.0 Y n Leica X Vario
Leica M Typ 240« »optical n 3.0 920 fixed n 4000 3.0 n n Leica M Typ 240
Leica M8« »optical n 2.5 230 fixed n 8000 2.0 n n Leica M8
Nikon D3« »optical Y 3.0 922 fixed n 8000 11.0 n n Nikon D3
Nikon D2Xs« »optical Y 2.5 230 fixed n 8000 5.0 n n Nikon D2Xs

One feature that is present on the 1D Mark III, but is missing on the M9 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 M9 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 M9 only has one slot.

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
Leica M9«Y-----2.0---Leica M9
Canon 5DS R« »YmonomonoY-mini3.0---Canon 5DS R
Canon 5D Mark III« »YmonomonoYYmini2.0---Canon 5D Mark III
Canon T2i« »Ystereo-Y-mini2.0---Canon T2i
Canon 1D Mark IV« »Ystereo-Y-mini2.0---Canon 1D Mark IV
Canon 5D Mark II« »YmonomonoY-mini2.0---Canon 5D Mark II
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 1D Mark II« »Y-----1.1---Canon 1D Mark II
Canon 1Ds« »Y-----FW---Canon 1Ds
Leica M10« »Y------Y--Leica M10
Leica X Vario« »Ystereomono--mini2.0---Leica X Vario
Leica M Typ 240« »Ystereomono---2.0Y--Leica M Typ 240
Leica M8« »Y-----2.0---Leica M8
Nikon D3« »Y----mini2.0---Nikon D3
Nikon D2Xs« »Y-----2.0---Nikon D2Xs

Both the 1D Mark III and the M9 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 M9 was followed by the Leica M Typ 240.

Review summary: Canon 1D Mark III vs Leica M9

So how do things add up? Is there a clear favorite between the Canon 1D Mark III and the Leica M9? The listing below highlights the relative strengths of the two models.

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Arguments in favor of the Canon EOS-1D Mark III:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • 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 (8000/sec vs 4000/sec) to freeze action.
  • Faster burst: Shoots at higher frequency (10 vs 2 flaps/sec) to capture the decisive moment.
  • More portrait friendly: Features an integrated vertical grip for easier portrait shooting.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • More affordable: Was introduced into a lower priced category (44 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in February 2007).

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Advantages of the Leica M9:

  • More detail: Has more megapixels (18.1 vs 10.1MP), which boosts linear resolution by 34%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • More compact: Is smaller (139x80mm vs 156x156.6mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 570g or 49 percent) and is thus easier to take along.
  • More prestigious: Has the Leica luxury appeal, which ensures a high resale value.
  • More modern: Reflects 2 years and 6 months of technical progress since the 1D Mark III launch.

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 (10 : 6 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.

1D Mark III 10:06 M9

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains incomplete and does no justice, for example, to the way the 1D Mark III or the M9 handle or 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. This is where reviews by experts come in. The table below summarizes the assessments of some of the best known camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog). The full reviews are available by clicking on the site logo in the table header.

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»---rev- Feb 2007 4,499- i Canon 1D Mark III
Leica M9«--4.5/54.5/5- Sep 2009 7,999- i Leica M9
Canon 5DS R« »Rec83/1005/55/54.5/5 Feb 2015 3,699 i i Canon 5DS R
Canon 5D Mark III« »HiRec82/1004.5/55/54.5/5 Mar 2012 3,499- i Canon 5D Mark III
Canon T2i« »HiRec77/1004/55/54.5/5 Feb 2010 699- i Canon T2i
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 1Ds Mark III« »-HiRec4.5/5-- 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 1D Mark II« »-HiRec-rev- Jan 2004 4,499- i Canon 1D Mark II
Canon 1Ds« »-HiRec--- Sep 2002 8,999- i Canon 1Ds
Leica M10« »--4/5-4.5/5 Jan 2017 6,595 i i Leica M10
Leica X Vario« »--4/54/54/5 Jun 2013 2,850 i i Leica X Vario
Leica M Typ 240« »--4/5-- Sep 2012 6,950- i Leica M Typ 240
Leica M8« »-HiRec--- Sep 2006 5,499- i Leica M8
Nikon D3« »-HiRec5/5rev4.5/5 Aug 2007 4,999- i Nikon D3
Nikon D2Xs« »---rev- Jun 2006 4,699- i Nikon D2Xs

The above review scores should be interpreted with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. 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. Also, please note that some of the review sites have changed their methodology and reporting over time.

 

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 use the search menu below. An an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool. If the camera you are interested in is not available, kindly get in touch, and I will try to locate and add the respective data to the application.

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