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Canon 1D Mark III vs Leica SL2

The Canon EOS-1D Mark III and the Leica SL2 are two digital cameras that were officially introduced, respectively, in February 2007 and November 2019. The 1D Mark III is a DSLR, while the SL2 is a mirrorless interchangeable lens camera. The cameras are based on an APS-H (1D Mark III) and a full frame (SL2) sensor. The Canon has a resolution of 10.1 megapixels, whereas the Leica provides 46.7 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
Leica SL2
Canon 1D Mark III   Leica SL2
Digital single lens reflex Mirrorless system camera
Canon EF mount lenses Leica L mount lenses
10.1 MP – APS-H sensor 46.7 MP – Full Frame sensor
no Video 4K/60p Video
ISO 100-3,200 (50 - 6,400) ISO 100-50,000
Optical viewfinder Electronic viewfinder (5760k dots)
3.0" LCD – 230k dots 3.2" LCD – 2100k dots
Fixed screen (not touch-sensitive) Fixed touchscreen
10 shutter flaps per second 10 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Weathersealed bodyWeathersealed body
2200 shots per battery charge370 shots per battery charge
156 x 157 x 80 mm, 1155 g 146 x 107 x 42 mm, 953 g
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Check SL2 price at
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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 Leica SL2? 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 side-by-side display below illustrates the physical size and weight of the Canon 1D Mark III and the Leica SL2. 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 measures are rounded to the nearest millimeter.

Size Canon 1D Mark III vs Leica SL2
Compare 1D Mark III versus SL2 top
Comparison 1D Mark III or SL2 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Leica SL2 is considerably smaller (36 percent) than the Canon 1D Mark III. Moreover, the SL2 is markedly lighter (17 percent) than the 1D Mark III. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments.

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.

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 SL2, Leica provides the HG-SCL6 vertical grip as an optional accessory (see here on ebay). The power pack in the SL2 can be charged via the USB port, which can be very convenient when travelling.

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, you can use the CAM-parator app to select your camera combination among a large number of options.

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Body Specifications
    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.
 
Leica SL2 146 mm 107 mm 42 mm 953 g 370 Y Nov 2019 5,999 amazon.com
3.
 
Canon 5DS R 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699 amazon.com
4.
 
Canon 5D Mark III 152 mm 116 mm 76 mm 950 g 950 Y Mar 2012 3,499ebay.com
5.
 
Canon 1D Mark IV 156 mm 157 mm 80 mm 1230 g 1500 Y Oct 2009 4,999ebay.com
6.
 
Canon 5D Mark II 152 mm 114 mm 75 mm 850 g 850 Y Sep 2008 3,499ebay.com
7.
 
Canon 1Ds Mark III 150 mm 160 mm 80 mm 1385 g 1800 Y Aug 2007 7,999ebay.com
8.
 
Canon 1D Mark II 156 mm 158 mm 80 mm 1535 g 1200 Y Jan 2004 4,499ebay.com
9.
 
Canon 1Ds 156 mm 158 mm 80 mm 1265 g 600 Y Sep 2002 8,999ebay.com
10.
 
Leica SL2-S 146 mm 107 mm 83 mm 931 g 510 Y Dec 2020 4,895 amazon.com
11.
 
Leica Q2 130 mm 80 mm 92 mm 718 g 370 Y Mar 2019 4,995 amazon.com
12.
 
Nikon D3S 160 mm 157 mm 88 mm 1240 g 4200 Y Oct 2009 5,199ebay.com
13.
 
Nikon D3 160 mm 157 mm 88 mm 1300 g 4300 Y Aug 2007 4,999ebay.com
14.
 
Nikon D2Xs 158 mm 150 mm 86 mm 1252 g 3800 Y Jun 2006 4,699ebay.com
15.
 
Panasonic S1 149 mm 110 mm 97 mm 1017 g 400 Y Feb 2019 2,499 amazon.com
16.
 
Panasonic S1R 149 mm 110 mm 97 mm 1016 g 380 Y Feb 2019 3,699 amazon.com
17.
 
Panasonic S1H 151 mm 114 mm 110 mm 1052 g 400 Y May 2019 3,999 amazon.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or 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 1D Mark III was launched at a somewhat lower price (by 25 percent) than the SL2, which makes it more attractive for photographers on a tight budget. 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

Sensor comparison

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 SL2 a full frame sensor. The sensor area in the SL2 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 SL2 sensor measures

With 46.7MP, the SL2 offers a higher resolution than the 1D Mark III (10.1MP), but the SL2 has smaller individual pixels (pixel pitch of 4.30μm versus 7.21μm for the 1D Mark III). Yet, the SL2 is a much more recent model (by 12 years and 8 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 SL2 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Leica SL2 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the SL2 for good quality output (200 dots per inch) amounts to 41.8 x 27.9 inches or 106.3 x 70.9 cm, for very good quality (250 dpi) 33.5 x 22.3 inches or 85 x 56.7 cm, and for excellent quality (300 dpi) 27.9 x 18.6 inches or 70.8 x 47.3 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.

Unlike the 1D Mark III, the SL2 has the capacity to capture high quality composite images (187MP) by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

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 Leica SL2 are ISO 100 to ISO 50000, with the possibility to increase the ISO range to 50-50000.

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 SL2 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"). 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
    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.
 
Leica SL2 Full Frame 46.7 8368 55844K/60p25.314.3286695
3.
 
Canon 5DS R Full Frame 50.3 8688 57921080/30p24.612.4230886
4.
 
Canon 5D Mark III Full Frame 22.1 5760 38401080/30p24.011.7229381
5.
 
Canon 1D Mark IV APS-H 16.0 4896 32641080/30p22.812.0132074
6.
 
Canon 5D Mark II Full Frame 21.0 5616 37441080/30p23.711.9181579
7.
 
Canon 1Ds Mark III Full Frame 21.0 5616 3744none24.012.0166380
8.
 
Canon 1D Mark II APS-H 8.2 3504 2336none22.311.1100366
9.
 
Canon 1Ds Full Frame 11.0 4064 2704none21.811.095463
10.
 
Leica SL2-S Full Frame 24.0 6000 40004K/60p25.214.1350495
11.
 
Leica Q2 Full Frame 46.7 8368 55844K/30p26.413.5249196
12.
 
Nikon D3S Full Frame 12.1 4256 2832720/24p23.512.0325382
13.
 
Nikon D3 Full Frame 12.1 4256 2832none23.512.2229081
14.
 
Nikon D2Xs APS-C 12.2 4288 2848none22.210.948959
15.
 
Panasonic S1 Full Frame 24.0 6000 40004K/60p25.214.5333395
16.
 
Panasonic S1R Full Frame 46.7 8368 55844K/60p26.414.13525100
17.
 
Panasonic S1H Full Frame 24.0 6000 40006K/30p25.214.2280594
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras are not only capable of taking still images, but can also record movies. The SL2 indeed provides for movie recording, while the 1D Mark III does not. The highest resolution format that the SL2 can use is 4K/60p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the SL2 has an electronic viewfinder (5760k dots), while the 1D Mark III has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the SL2 has a higher magnification than the one of the 1D Mark III (0.78x vs 0.58x), 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 Leica SL2 in connection with corresponding information for a sample of similar cameras.

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Core Features
    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.
 
Leica SL25760 Y3.2 / 2100 fixed Y 1/8000s 10.0/s n Y
3.
 
Canon 5DS Roptical Y3.2 / 1040 fixed n 1/8000s 5.0/s n n
4.
 
Canon 5D Mark IIIoptical Y3.2 / 1040 fixed n 1/8000s 6.0/s n n
5.
 
Canon 1D Mark IVoptical Y3.0 / 920 fixed n 1/8000s 10.0/s n n
6.
 
Canon 5D Mark IIoptical Y3.0 / 920 fixed n 1/8000s 3.9/s n n
7.
 
Canon 1Ds Mark IIIoptical Y3.0 / 230 fixed n 1/8000s 5.0/s n n
8.
 
Canon 1D Mark IIoptical Y2.0 / 230 fixed n 1/8000s 8.3/s n n
9.
 
Canon 1Dsoptical Y2.0 / 120 fixed n 1/8000s 3.0/s n n
10.
 
Leica SL2-S5760 Y3.2 / 2100 fixed Y 1/8000s 20.0/s n Y
11.
 
Leica Q23680 n3.0 / 1040 fixed Y 1/2000s 20.0/s n Y
12.
 
Nikon D3Soptical Y3.0 / 921 fixed n 1/8000s 11.0/s n n
13.
 
Nikon D3optical Y3.0 / 922 fixed n 1/8000s 11.0/s n n
14.
 
Nikon D2Xsoptical Y2.5 / 230 fixed n 1/8000s 5.0/s n n
15.
 
Panasonic S15760 Y3.2 / 2100 full-flex Y 1/8000s 9.0/s n Y
16.
 
Panasonic S1R5760 Y3.2 / 2100 full-flex Y 1/8000s 9.0/s n Y
17.
 
Panasonic S1H5760 Y3.2 / 2330 swivel Y 1/8000s 9.0/s n Y
Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The SL2 has a touchscreen, while the 1D Mark III has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the SL2 is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).

The Leica SL2 has an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

The 1D Mark III writes its imaging data to Compact Flash or SDHC cards, while the SL2 uses SDXC cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. The SL2 supports UHS-II cards (on both slots), while the 1D Mark III cannot take advantage of Ultra High Speed SD cards.

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 Leica SL2 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
    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.
 
Leica SL2Ystereo / monoYYfull3.1Y-Y
3.
 
Canon 5DS RYmono / monoY-mini3.0---
4.
 
Canon 5D Mark IIIYmono / monoYYmini2.0---
5.
 
Canon 1D Mark IVYstereo / -Y-mini2.0---
6.
 
Canon 5D Mark IIYmono / monoY-mini2.0---
7.
 
Canon 1Ds Mark IIIYmono / ----2.0---
8.
 
Canon 1D Mark IIY- / ----1.1---
9.
 
Canon 1DsY- / ----FW---
10.
 
Leica SL2-SYstereo / monoYYfull3.2Y-Y
11.
 
Leica Q2Ystereo / mono----Y-Y
12.
 
Nikon D3SYstereo / ---mini2.0---
13.
 
Nikon D3Y- / ---mini2.0---
14.
 
Nikon D2XsY- / ----2.0---
15.
 
Panasonic S1Ystereo / monoYYfull3.1Y-Y
16.
 
Panasonic S1RYstereo / monoYYfull3.1Y-Y
17.
 
Panasonic S1HYstereo / monoYYfull3.1Y-Y

It is notable that the SL2 offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the 1D Mark III does not provide wifi capability.

Both cameras feature a PC Sync terminal to control professional strobe lights, which will be appreciated by studio photographers.

The SL2 is a recent model that features in the current product line-up of Leica. In contrast, the 1D Mark III has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the 1D Mark III was succeeded by the Canon 1D Mark IV. Further information on the features and operation of the 1D Mark III and SL2 can be found, respectively, in the Canon 1D Mark III Manual (free pdf) or the online Leica SL2 Manual.

Review summary

So what conclusions can be drawn? Which of the two cameras – the Canon 1D Mark III or the Leica SL2 – has the upper hand? Is one clearly better than the other? Below is a summary of the relative strengths of each of the two contestants.

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Advantages of the Canon EOS-1D Mark III:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • 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.
  • More affordable: Was introduced into a lower priced segment (25 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in February 2007).

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Reasons to prefer the Leica SL2:

  • More detail: Has more megapixels (46.7 vs 10.1MP), which boosts linear resolution by 115%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better image quality: Is equipped with a larger and more technologically advanced sensor.
  • Richer colors: The sensor size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger sensor captures a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger sensor produces good images even in poorly lit environments.
  • Broader imaging potential: Can capture not only stills but also 4K/60p video.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.78x vs 0.58x).
  • Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (2100k vs 230k dots).
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More compact: Is smaller (146x107mm vs 156x157mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 202g or 17 percent) and is thus easier to take along.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • Faster buffer clearing: Supports Ultra High Speed (UHS-II) SDXC cards on both slots.
  • More prestigious: Has the Leica luxury appeal, which ensures a high resale value.
  • More modern: Reflects 12 years and 8 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 SL2 is the clear winner of the contest (26 : 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. A professional wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

1D Mark III 06:26 SL2

How about other alternatives? Do the specifications of the Canon 1D Mark III and the Leica SL2 place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Mirrorless Interchangeable Lens Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it says little about, for example, the shooting experience and imaging performance of the 1D Mark III and the SL2 in practical situations. 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 where reviews by experts come in. 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
     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.
 
Leica SL24/5..4.5/5..4.5/54/5 Nov 2019 5,999 amazon.com
3.
 
Canon 5DS R5/5+..83/1005/54.5/5 Feb 2015 3,699 amazon.com
4.
 
Canon 5D Mark III..+ +..82/1004.5/54.5/5 Mar 2012 3,499ebay.com
5.
 
Canon 1D Mark IV5/5....89/100.... Oct 2009 4,999ebay.com
6.
 
Canon 5D Mark II4/591/100..79/1004/5.. Sep 2008 3,499ebay.com
7.
 
Canon 1Ds Mark III......+ +4.5/5.. Aug 2007 7,999ebay.com
8.
 
Canon 1D Mark II......+ +.... Jan 2004 4,499ebay.com
9.
 
Canon 1Ds......+ +.... Sep 2002 8,999ebay.com
10.
 
Leica SL2-S4/5..4/5..4.5/54.5/5 Dec 2020 4,895 amazon.com
11.
 
Leica Q2....4.5/584/1004.5/54/5 Mar 2019 4,995 amazon.com
12.
 
Nikon D3S5/5....89/1004.5/55/5 Oct 2009 5,199ebay.com
13.
 
Nikon D3......+ +5/54.5/5 Aug 2007 4,999ebay.com
14.
 
Nikon D2Xs............ Jun 2006 4,699ebay.com
15.
 
Panasonic S14.5/5+ +4.5/588/1004.5/54/5 Feb 2019 2,499 amazon.com
16.
 
Panasonic S1R4.5/5..4.6/589/1004.5/54.5/5 Feb 2019 3,699 amazon.com
17.
 
Panasonic S1H....4/590/100.... May 2019 3,999 amazon.com
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. 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, please note that some of the review sites have changed their methodology and reporting over time.

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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. 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 Leica SL2

    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 Leica SL2
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Canon EF mount lenses Leica L mount lenses
    Launch Date February 2007 November 2019
    Launch Price USD 4,499 USD 5,999
    Sensor Specs Canon 1D Mark III Leica SL2
    Sensor Technology CMOS CMOS
    Sensor Format APS-H Sensor Full Frame Sensor
    Sensor Size 28.1 x 18.7 mm 36.0 x 24.0 mm
    Sensor Area 525.47 mm2 864 mm2
    Sensor Diagonal 33.8 mm 43.3 mm
    Crop Factor 1.3x 1.0x
    Sensor Resolution 10.1 Megapixels 46.7 Megapixels
    Image Resolution 3888 x 2592 pixels 8368 x 5584 pixels
    Pixel Pitch 7.21 μm 4.30 μm
    Pixel Density 1.92 MP/cm2 5.41 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability no Video 4K/60p Video
    ISO Setting 100 - 3,200 ISO 100 - 50,000 ISO
    ISO Boost 50 - 6,400 ISO 50 - 50,000 ISO
    Image Processor DIGIC III Maestro III
    DXO Sensor Quality (score) 71 ..
    DXO Color Depth (bits) 22.7 ..
    DXO Dynamic Range (EV) 11.7 ..
    DXO Low Light (ISO) 1078 ..
    Screen Specs Canon 1D Mark III Leica SL2
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.58x 0.78x
    Viewfinder Resolution 5760k dots
    Top-Level Screen Control Panel Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.2inch
    LCD Resolution 230k dots 2100k dots
    LCD Attachment Fixed screen Fixed screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Canon 1D Mark III Leica SL2
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/8000s
    Continuous Shooting 10 shutter flaps/s 10 shutter flaps/s
    Shutter Life Expectancy300 000 actuations400 000 actuations
    Electronic Shutterno E-Shutterup to 1/40000s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium CF or SDHC cards SDXC cards
    Single or Dual Card Slots Dual card slots Dual card slots
    UHS card support no Dual UHS-II
    Connectivity Specs Canon 1D Mark III Leica SL2
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket PC Sync socket
    USB Connector USB 2.0 USB 3.1
    HDMI Port no HDMI full HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support no Wifi Wifi built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Canon 1D Mark III Leica SL2
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type LP-E4 BP-SCL4
    Battery Life (CIPA)2200 shots per charge370 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 156 x 157 x 80 mm
    (6.1 x 6.2 x 3.1 in)
    146 x 107 x 42 mm
    (5.7 x 4.2 x 1.7 in)
    Camera Weight 1155 g (40.7 oz) 953 g (33.6 oz)
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