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Canon R3 vs Leica S3

The Canon EOS R3 and the Leica S3 are two professional cameras that were revealed to the public, respectively, in September 2021 and September 2018. The R3 is a mirrorless interchangeable lens camera, while the S3 is a DSLR. The cameras are based on a full frame (R3) and a medium format (S3) sensor. The Canon has a resolution of 24 megapixels, whereas the Leica provides 64 MP.

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

Headline Specifications
Canon R3
versus
Leica S3
Canon R3   Leica S3
Mirrorless system camera Digital single lens reflex
Canon RF mount lenses Leica S mount lenses
24 MP – Full Frame sensor 64 MP – Medium Format sensor
6K/60p Video 4K/24p Video
ISO 100-51,200 (50 - 204,800) ISO 100-50,000
Electronic viewfinder (5760k dots) Optical viewfinder
3.2" LCD – 4150k dots 3.0" LCD – 922k dots
Swivel touchscreen Fixed screen (not touch-sensitive)
12 shutter flaps per second 3 shutter flaps per second
In-body stabilizationno shake reduction
Weathersealed bodyWeathersealed body
150 x 143 x 87 mm, 1015 g 160 x 120 x 80 mm, 1260 g
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Check R3 price at
amazon.com
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Check S3 price at
amazon.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS R3 and the Leica S3? 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

An illustration of the physical size and weight of the Canon R3 and the Leica S3 is provided 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 R3 vs Leica S3
Compare R3 versus S3 top
Comparison R3 or S3 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Leica S3 is notably smaller (10 percent) than the Canon R3. However, the S3 is markedly heavier (24 percent) than the R3. 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 R3 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 S3, Leica provides the Multi-Function Handgrip S vertical grip as an optional accessory (see here on ebay). The power pack in the R3 can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. 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 R3 150 mm 143 mm 87 mm 1015 g 760 Y Sep 2021 5,999 amazon.com
2.
 
Leica S3 160 mm 120 mm 80 mm 1260 g .. Y Sep 2018 18,995 amazon.com
3.
 
Canon 1D X Mark III 158 mm 168 mm 83 mm 1440 g 2850 Y Jan 2020 6,499 amazon.com
4.
 
Canon R5 138 mm 98 mm 88 mm 738 g 320 Y Jul 2020 3,899 amazon.com
5.
 
Canon R6 138 mm 98 mm 88 mm 680 g 360 Y Jul 2020 2,499 amazon.com
6.
 
Canon 1D X Mark II 158 mm 168 mm 83 mm 1530 g 1210 Y Feb 2016 5,999ebay.com
7.
 
Canon 5D Mark III 152 mm 116 mm 76 mm 950 g 950 Y Mar 2012 3,499ebay.com
8.
 
Canon 5D Mark II 152 mm 114 mm 75 mm 850 g 850 Y Sep 2008 3,499ebay.com
9.
 
Leica SL2-S 146 mm 107 mm 83 mm 931 g 510 Y Dec 2020 4,895 amazon.com
10.
 
Leica M10 139 mm 80 mm 39 mm 660 g 210 Y Jan 2017 6,595ebay.com
11.
 
Leica S-E Typ 006 160 mm 120 mm 80 mm 1260 g .. Y Sep 2014 16,900ebay.com
12.
 
Leica S Typ 007 160 mm 120 mm 80 mm 1260 g .. Y Sep 2014 24,490ebay.com
13.
 
Leica S Typ 006 160 mm 120 mm 80 mm 1260 g .. Y Sep 2012 21,950ebay.com
14.
 
Leica S2 160 mm 120 mm 80 mm 1410 g .. Y Sep 2008 22,995ebay.com
15.
 
Panasonic S1 149 mm 110 mm 97 mm 1017 g 400 Y Feb 2019 2,499 amazon.com
16.
 
Sony A850 156 mm 117 mm 82 mm 895 g 880 Y Aug 2009 1,999ebay.com
17.
 
Sony A900 156 mm 117 mm 82 mm 895 g 880 Y Sep 2008 2,999ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

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 R3 was launched at a markedly lower price (by 68 percent) than the S3, 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

The size of the imaging sensor is a crucial determinant of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Canon R3 features a full frame sensor and the Leica S3 a medium format sensor. The sensor area in the S3 is 56 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 0.8. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon R3 and Leica S3 sensor measures

With 64MP, the S3 offers a higher resolution than the R3 (24MP), but the S3 has smaller individual pixels (pixel pitch of 4.59μm versus 6.00μm for the R3). Yet, the R3 is a much more recent model (by 2 years and 11 months) than the S3, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the S3 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Leica S3 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the S3 for good quality output (200 dots per inch) amounts to 49 x 32.7 inches or 124.5 x 83 cm, for very good quality (250 dpi) 39.2 x 26.1 inches or 99.6 x 66.4 cm, and for excellent quality (300 dpi) 32.7 x 21.8 inches or 83 x 55.3 cm. The corresponding values for the Canon R3 are 30 x 20 inches or 76.2 x 50.8 cm for good quality, 24 x 16 inches or 61 x 40.6 cm for very good quality, and 20 x 13.3 inches or 50.8 x 33.9 cm for excellent quality prints.

The R3 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Canon EOS R3 has a native sensitivity range from ISO 100 to ISO 51200, which can be extended to ISO 50-204800. The corresponding ISO settings for the Leica S3 are ISO 100 to ISO 50000 (no boost).

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.

R3 versus S3 MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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 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 R3 Full Frame 24.0 6000 40006K/60p25.014.7408696
2.
 
Leica S3 Medium Format 64.0 9800 65334K/24p25.614.4314398
3.
 
Canon 1D X Mark III Full Frame 20.0 5472 36484K/60p24.214.5324891
4.
 
Canon R5 Full Frame 44.8 8192 54648K/30p25.314.6304295
5.
 
Canon R6 Full Frame 20.0 5472 36484k/60p24.214.3339490
6.
 
Canon 1D X Mark II Full Frame 20.0 5472 36484K/60p24.113.5320788
7.
 
Canon 5D Mark III Full Frame 22.1 5760 38401080/30p24.011.7229381
8.
 
Canon 5D Mark II Full Frame 21.0 5616 37441080/30p23.711.9181579
9.
 
Leica SL2-S Full Frame 24.0 6000 40004K/60p25.214.1350495
10.
 
Leica M10 Full Frame 23.8 5952 3992none24.413.2213386
11.
 
Leica S-E Typ 006 Medium Format 37.5 7500 5000none25.113.7276393
12.
 
Leica S Typ 007 Medium Format 37.5 7500 50004K/24p25.113.7276393
13.
 
Leica S Typ 006 Medium Format 37.5 7500 5000none23.912.282476
14.
 
Leica S2 Medium Format 37.5 7500 5000none23.912.5222482
15.
 
Panasonic S1 Full Frame 24.0 6000 40004K/60p25.214.5333395
16.
 
Sony A850 Full Frame 24.4 6048 4032none23.812.2141579
17.
 
Sony A900 Full Frame 24.4 6048 4032none23.712.3143179
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras cannot only take still pictures, but also record videos. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the R3 provides a higher video resolution than the S3. It can shoot video footage at 6K/60p, while the Leica is limited to 4K/24p.

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the R3 has an electronic viewfinder (5760k dots), while the S3 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 viewfinder in the R3 offers a wider field of view (100%) than the one in the S3 (98%), so that a larger proportion of the captured image is visible in the finder. On the other hand, the viewfinder of the S3 has a higher magnification (0.87x vs 0.76x), 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 R3, the Leica S3, and comparable 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 R35760 Y3.2 / 4150 swivel Y 1/8000s 12.0/s n Y
2.
 
Leica S3optical Y3.0 / 922 fixed n 1/4000s 3.0/s n n
3.
 
Canon 1D X Mark IIIoptical Y3.2 / 2100 fixed Y 1/8000s 20.0/s n n
4.
 
Canon R55760 Y3.2 / 2100 swivel Y 1/8000s 12.0/s n Y
5.
 
Canon R63690 n3.0 / 1620 swivel Y 1/8000s 12.0/s n Y
6.
 
Canon 1D X Mark IIoptical Y3.2 / 1620 fixed Y 1/8000s 16.0/s n n
7.
 
Canon 5D Mark IIIoptical Y3.2 / 1040 fixed n 1/8000s 6.0/s n n
8.
 
Canon 5D Mark IIoptical Y3.0 / 920 fixed n 1/8000s 3.9/s n n
9.
 
Leica SL2-S5760 Y3.2 / 2100 fixed Y 1/8000s 20.0/s n Y
10.
 
Leica M10optical n3.0 / 1037 fixed n 1/4000s 5.0/s n n
11.
 
Leica S-E Typ 006optical Y3.0 / 922 fixed n 1/4000s 1.5/s n n
12.
 
Leica S Typ 007optical Y3.0 / 922 fixed n 1/4000s 3.5/s n n
13.
 
Leica S Typ 006optical Y3.0 / 922 fixed n 1/4000s 1.5/s n n
14.
 
Leica S2optical Y3.0 / 460 fixed n 1/4000s 1.5/s n n
15.
 
Panasonic S15760 Y3.2 / 2100 full-flex Y 1/8000s 9.0/s n Y
16.
 
Sony A850optical Y3.0 / 922 fixed n 1/8000s 3.0/s n Y
17.
 
Sony A900optical Y3.0 / 922 fixed n 1/8000s 5.0/s n Y
Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One feature that differentiates the R3 and the S3 is in-body image stabilization (IBIS). The R3 reduces the risk of handshake-induced blur with all attached lenses, while the S3 offers no blur reduction with lenses that themselves do not provide optical image stabilization.

The R3 has an articulated LCD that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in snapping selfies. In contrast, the S3 does not have a selfie-screen.

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 R3 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 Canon R3 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 R3 writes its imaging data to CFexpress (type B) or SDXC cards, while the S3 uses Compact Flash or SDXC cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. Both cameras support UHS-II cards, which provide for Ultra High Speed data transfer of up to 312 MB/s.

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 R3 and Leica S3 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 R3Ystereo / monoYYmicro3.2Y-Y
2.
 
Leica S3Ystereo / monoYYmini3.0Y--
3.
 
Canon 1D X Mark IIIYmono / monoYYmini3.1Y-Y
4.
 
Canon R5Ymono / monoYYmicro3.2Y-Y
5.
 
Canon R6Ymono / monoYYmicro3.2Y-Y
6.
 
Canon 1D X Mark IIYmono / monoYYmini3.0---
7.
 
Canon 5D Mark IIIYmono / monoYYmini2.0---
8.
 
Canon 5D Mark IIYmono / monoY-mini2.0---
9.
 
Leica SL2-SYstereo / monoYYfull3.2Y-Y
10.
 
Leica M10Y- / -----Y--
11.
 
Leica S-E Typ 006Y- / ---mini2.0---
12.
 
Leica S Typ 007Ystereo / monoYYmini3.0Y--
13.
 
Leica S Typ 006Y- / ---mini2.0---
14.
 
Leica S2Y- / ---mini2.0---
15.
 
Panasonic S1Ystereo / monoYYfull3.1Y-Y
16.
 
Sony A850Y- / ---mini2.0---
17.
 
Sony A900Y- / ---mini2.0---

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

Travel and landscape photographers will find it useful that the S3 has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

Both the R3 and the S3 are recent models that are part of the current product line-up. The S3 replaced the earlier Leica S Typ 007, while the R3 does not have a direct predecessor. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon and Leica websites.

Review summary

So how do things add up? Is the Canon R3 better than the Leica S3 or vice versa? The listing below highlights the relative strengths of the two models.

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Reasons to prefer the Canon EOS R3:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better video: Provides higher definition movie capture (6K/60p vs 4K/24p).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • More complete view: Has a viewfinder with a larger field of view (100% vs 98%).
  • 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 (4150k vs 922k dots).
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (12 vs 3 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Less heavy: Is lighter (by 245g or 19 percent) and hence easier to carry around.
  • More portrait friendly: Features an integrated vertical grip for easier portrait shooting.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • More affordable: Was introduced into a lower priced category (68 percent cheaper at launch).
  • More modern: Reflects 2 years and 11 months of technical progress since the S3 launch.

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Arguments in favor of the Leica S3:

  • More detail: Has more megapixels (64 vs 24MP), which boosts linear resolution by 63%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.87x vs 0.76x).
  • More compact: Is smaller (160x120mm vs 150x143mm) and will fit more readily into a bag.
  • Easier geotagging: Features an internal GPS sensor to log localization data.
  • More prestigious: Has the Leica luxury appeal, which ensures a high resale value.
  • More heavily discounted: Has been around for much longer (launched in September 2018).

If the count of relative strengths (bullet points above) is taken as a measure, the R3 is the clear winner of the match-up (22 : 8 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. A professional 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.

R3 22:08 S3

How about other alternatives? Do the specifications of the Canon R3 and the Leica S3 place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera and Best DSLR 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 remains incomplete and does no justice, for example, to the way the R3 or the S3 perform in practice. 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
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon R3..o4.5/5....4.5/5 Sep 2021 5,999 amazon.com
2.
 
Leica S3............ Sep 2018 18,995 amazon.com
3.
 
Canon 1D X Mark III..+ +5/5..4.5/54/5 Jan 2020 6,499 amazon.com
4.
 
Canon R54.5/5+4/591/1004.5/54.5/5 Jul 2020 3,899 amazon.com
5.
 
Canon R65/5+ +4/590/1004.5/55/5 Jul 2020 2,499 amazon.com
6.
 
Canon 1D X Mark II....4.5/589/1004.5/54.5/5 Feb 2016 5,999ebay.com
7.
 
Canon 5D Mark III..+ +..82/1004.5/54.5/5 Mar 2012 3,499ebay.com
8.
 
Canon 5D Mark II4/591/100..79/1004/5.. Sep 2008 3,499ebay.com
9.
 
Leica SL2-S4/5..4/5..4.5/54.5/5 Dec 2020 4,895 amazon.com
10.
 
Leica M104.5/5......4/54.5/5 Jan 2017 6,595ebay.com
11.
 
Leica S-E Typ 006............ Sep 2014 16,900ebay.com
12.
 
Leica S Typ 0074/5.......... Sep 2014 24,490ebay.com
13.
 
Leica S Typ 006............ Sep 2012 21,950ebay.com
14.
 
Leica S2............ Sep 2008 22,995ebay.com
15.
 
Panasonic S14.5/5+ +4.5/588/1004.5/54/5 Feb 2019 2,499 amazon.com
16.
 
Sony A8503/5....75/100..4.5/5 Aug 2009 1,999ebay.com
17.
 
Sony A900..+ +..+ +4.5/55/5 Sep 2008 2,999ebay.com
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

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. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

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Check R3 price at
amazon.com
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Check S3 price at
amazon.com

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 use the search menu below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Canon R3 vs Leica S3

    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 R3 Leica S3
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Canon RF mount lenses Leica S mount lenses
    Launch Date September 2021 September 2018
    Launch Price USD 5,999 USD 18,995
    Sensor Specs Canon R3 Leica S3
    Sensor Technology CMOS CMOS
    Sensor Format Full Frame Sensor Medium Format Sensor
    Sensor Size 36.0 x 24.0 mm 45.0 x 30.0 mm
    Sensor Area 864 mm2 1350 mm2
    Sensor Diagonal 43.3 mm 54.1 mm
    Crop Factor 1.0x 0.8x
    Sensor Resolution 24 Megapixels 64 Megapixels
    Image Resolution 6000 x 4000 pixels 9800 x 6533 pixels
    Pixel Pitch 6.00 μm 4.59 μm
    Pixel Density 2.78 MP/cm2 4.74 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 6K/60p Video 4K/24p Video
    ISO Setting 100 - 51,200 ISO 100 - 50,000 ISO
    ISO Boost 50 - 204,800 ISO no Enhancement
    Image Processor DIGIC X Maestro II
    DXO Sensor Quality (score) 96 ..
    DXO Color Depth (bits) 25 ..
    DXO Dynamic Range (EV) 14.7 ..
    DXO Low Light (ISO) 4086 ..
    Screen Specs Canon R3 Leica S3
    Viewfinder Type Electronic viewfinder Optical viewfinder
    Viewfinder Field of View 100% 98%
    Viewfinder Magnification 0.76x 0.87x
    Viewfinder Resolution 5760k dots
    Top-Level Screen Control Panel Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.0inch
    LCD Resolution 4150k dots 922k dots
    LCD Attachment Swivel screen Fixed screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Canon R3 Leica S3
    Focus System On-Sensor Phase-detect Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/4000s
    Continuous Shooting 12 shutter flaps/s 3 shutter flaps/s
    Electronic Shutterup to 1/64000sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationIn-body stabilizationno handshake reduction
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium CFexB or SDXC cards CF or SDXC cards
    Second Storage Option Dual card slots Dual card slots
    UHS card support UHS-II UHS-II
    Connectivity Specs Canon R3 Leica S3
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket PC Sync socket
    USB Connector USB 3.2 USB 3.0
    HDMI Port micro HDMI mini HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Bluetooth Support Bluetooth built-in no Bluetooth
    Geotagging no internal GPS GPS built-in
    Body Specs Canon R3 Leica S3
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type LP-E19 BP-PRO1
    In-Camera Charging USB charging no USB charging
    Body Dimensions 150 x 143 x 87 mm
    (5.9 x 5.6 x 3.4 in)
    160 x 120 x 80 mm
    (6.3 x 4.7 x 3.1 in)
    Camera Weight 1015 g (35.8 oz) 1260 g (44.4 oz)
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    Check S3 price at
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