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Canon SL3 vs Leica M10

The Canon EOS Rebel SL3 (called Canon 250D in some regions) and the Leica M10 (Typ 3656) are two digital cameras that were officially introduced, respectively, in April 2019 and January 2017. The SL3 is a DSLR, while the M10 is a rangefinder-style mirrorless camera. The cameras are based on an APS-C (SL3) and a full frame (M10) sensor. The Canon has a resolution of 24 megapixels, whereas the Leica provides 23.8 MP.

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

Headline Specifications
Canon SL3 versus Leica M10
Canon SL3 Leica M10
Digital single lens reflex Rangefinder camera
Canon EF mount lenses Leica M mount lenses
24 MP, APS-C Sensor 23.8 MP, Full Frame Sensor
4K/25p Video no Video
ISO 100-25,600 (100 - 51,200) ISO 100-50,000
Optical viewfinder Optical viewfinder
3.0 LCD, 1040k dots 3.0 LCD, 1037k dots
Swivel touchscreen Fixed screen (not touch-sensitive)
5 shutter flaps per second 5 shutter flaps per second
not weather sealedWeathersealed body
1070 shots per battery charge210 shots per battery charge
122 x 93 x 70 mm, 449 g 139 x 80 x 39 mm, 660 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS Rebel SL3 and the Leica M10 (Typ 3656)? 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 SL3 and the Leica M10 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 size dimensions are rounded to the nearest millimeter.

The SL3 can be obtained in two different colors (black, white), while the M10 is also available in two color-versions, but different ones (black, silver).

Size Canon SL3 vs Leica M10
Compare SL3 versus M10 top
Comparison SL3 or M10 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Leica M10 is somewhat smaller (2 percent) than the Canon SL3. However, the M10 is substantially heavier (47 percent) than the SL3. It is noteworthy in this context that the M10 is splash and dust-proof, while the SL3 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 compare the optics available for the two cameras in the Canon EF Lens Catalog (SL3) and the Leica M Lens Catalog (M10).

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.

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Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life 1
Weather
Sealing
Camera
Launch 2
Launch
Price (USD)
Street
Price
 
Canon SL3 122 mm 93 mm 70 mm 449 g 1070 n Apr 2019 599 i
 
Leica M10 139 mm 80 mm 39 mm 660 g 210 Y Jan 2017 6,595 i
 
Canon T8i 131 mm 103 mm 76 mm 515 g 800 n Feb 2020 749 i
 
Canon M50 Mark II 116 mm 88 mm 59 mm 387 g 305 n Oct 2020 599 i
 
Canon M50 116 mm 88 mm 59 mm 390 g 235 n Feb 2018 779i
 
Canon T7 129 mm 101 mm 78 mm 475 g 500 n Feb 2018 449 i
 
Canon 77D 131 mm 100 mm 76 mm 540 g 600 n Feb 2017 899 i
 
Canon SL2 122 mm 93 mm 70 mm 453 g 650 n Jun 2017 549i
 
Canon T7i 131 mm 100 mm 76 mm 532 g 600 n Feb 2017 749i
 
Canon 80D 139 mm 105 mm 79 mm 730 g 960 Y Feb 2016 1,199i
 
Canon T6s 132 mm 101 mm 78 mm 565 g 440 n Feb 2015 649i
 
Canon SL1 117 mm 91 mm 69 mm 407 g 380 n Mar 2013 549i
 
Canon T2i 129 mm 98 mm 62 mm 530 g 440 n Feb 2010 699i
 
Leica M10-P 139 mm 80 mm 39 mm 660 g 210 Y Aug 2018 7,995 i
 
Leica M Typ 262 139 mm 80 mm 42 mm 680 g .. Y Nov 2015 5,195i
 
Leica Q Typ 116 130 mm 80 mm 93 mm 640 g 300 n Jun 2015 4,249i
 
Leica M Typ 240 139 mm 80 mm 42 mm 680 g .. Y Sep 2012 6,950i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
(1) Number of images that can be taken on a full battery charge according to the CIPA-standard; (2) Official announcement.

The price is, of course, an important factor in any camera decision. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The SL3 was launched at a markedly lower price (by 91 percent) than the M10, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down.

Sensor comparison

The imaging sensor is at the core of digital cameras and its size is one of the main determining factors of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have richer color-depth than smaller pixels 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 SL3 features an APS-C sensor and the Leica M10 a full frame sensor. The sensor area in the M10 is 158 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.6 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon SL3 and Leica M10 sensor measures

Despite having a smaller sensor, the Canon SL3 offers a higher resolution of 24 megapixels, compared with 23.8 MP of the Leica M10. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.72μm versus 6.00μm for the M10). However, it should be noted that the SL3 is much more recent (by 2 years and 2 months) than the M10, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently. Coming back to sensor resolution, it should be mentioned that the M10 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The SL3 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Canon EOS Rebel SL3 has a native sensitivity range from ISO 100 to ISO 25600, which can be extended to ISO 100-51200. The corresponding ISO settings for the Leica M10 (Typ 3656) are ISO 100 to ISO 50000 (no boost).

SL3 versus M10 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 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
 
Canon SL3 APS-C 24.0 6000 40004K/25p........
 
Leica M10 Full Frame 23.8 5952 3992none24.413.2213386
 
Canon T8i APS-C 24.0 6000 40004K/24p........
 
Canon M50 Mark II APS-C 24.0 6000 40004K/24p........
 
Canon M50 APS-C 24.0 6000 40004K/24p........
 
Canon T7 APS-C 24.0 6000 40001080/30p........
 
Canon 77D APS-C 24.0 6000 40001080/60p23.613.397178
 
Canon SL2 APS-C 24.0 6000 40001080/60p23.613.4104179
 
Canon T7i APS-C 24.0 6000 40001080/60p........
 
Canon 80D APS-C 24.0 6000 40001080/60p23.613.2113579
 
Canon T6s APS-C 24.0 6000 40001080/30p22.612.091570
 
Canon SL1 APS-C 17.9 5184 34561080/30p21.811.384363
 
Canon T2i APS-C 17.9 5184 34561080/30p22.111.578466
 
Leica M10-P Full Frame 23.8 5952 3992none........
 
Leica M Typ 262 Full Frame 23.7 5952 3976none........
 
Leica Q Typ 116 Full Frame 24.0 6000 40001080/60p24.312.7222185
 
Leica M Typ 240 Full Frame 23.7 5952 39761080/25p24.013.3186084

Many modern cameras are not only capable of taking still images, but also of capturing video footage. The SL3 indeed provides movie recording capabilities, while the M10 does not. The highest resolution format that the SL3 can use is 4K/25p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. The SL3 and the M10 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 M10 offers a wider field of view (100%) than the one in the SL3 (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the M10 has a higher magnification (0.73x vs 0.54x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The table below summarizes some of the other core capabilities of the Canon SL3 and Leica M10 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
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
 
Canon SL3optical n 3.0 1040 swivel Y 1/4000s 5.0 Y n
 
Leica M10optical n 3.0 1037 fixed n 1/4000s 5.0 n n
 
Canon T8ioptical n 3.0 1040 swivel Y 1/4000s 7.5 Y n
 
Canon M50 Mark II2360 n 3.0 1040 swivel Y 1/4000s 10.0 Y n
 
Canon M502360 n 3.0 1040 swivel Y 1/4000s 10.0 Y n
 
Canon T7optical n 3.0 920 fixed n 1/4000s 3.0 Y n
 
Canon 77Doptical Y 3.0 1040 swivel Y 1/4000s 6.0 Y n
 
Canon SL2optical n 3.0 1040 swivel Y 1/4000s 5.0 Y n
 
Canon T7ioptical n 3.0 1040 swivel Y 1/4000s 6.0 Y n
 
Canon 80Doptical Y 3.0 1040 swivel Y 1/8000s 7.0 Y n
 
Canon T6soptical Y 3.0 1040 swivel Y 1/4000s 5.0 Y n
 
Canon SL1optical n 3.0 1040 fixed Y 1/4000s 4.9 Y n
 
Canon T2ioptical n 3.0 1040 fixed n 1/4000s 3.7 Y n
 
Leica M10-Poptical n 3.0 1037 fixed Y 1/4000s 5.0 n n
 
Leica M Typ 262optical n 3.0 921 fixed n 1/4000s 3.0 n n
 
Leica Q Typ 1163680 n 3.0 1040 fixed Y 1/2000s 10.0 n Y
 
Leica M Typ 240optical n 3.0 920 fixed n 1/4000s 3.0 n n

One difference between the cameras concerns the presence of an on-board flash. The SL3 has one, while the M10 does not. While the built-in flash of the SL3 is not very powerful, it can at times be useful as a fill-in light.

The SL3 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 M10 does not have a selfie-screen.

The Canon SL3 and the Leica M10 both have 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.

Concerning the storage of imaging data, both the SL3 and the M10 write their files to SDXC cards. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 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 Rebel SL3 and Leica M10 (Typ 3656) 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
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
 
Canon SL3YstereomonoY-mini2.0Y-Y
 
Leica M10Y------Y--
 
Canon T8iYstereomonoY-mini2.0Y-Y
 
Canon M50 Mark IIYstereomonoY-micro2.0Y-Y
 
Canon M50YstereomonoY-micro2.0Y-Y
 
Canon T7Ymonomono--mini2.0YY-
 
Canon 77DYstereomonoY-mini2.0YYY
 
Canon SL2YstereomonoY-mini2.0YYY
 
Canon T7iYstereomonoY-mini2.0YYY
 
Canon 80DYstereomonoYYmini2.0YY-
 
Canon T6sYstereomonoY-mini2.0YY-
 
Canon SL1YmonomonoY-mini2.0---
 
Canon T2iYstereo-Y-mini2.0---
 
Leica M10-PY------Y--
 
Leica M Typ 262Y-----2.0---
 
Leica Q Typ 116Ystereomono--micro2.0YY-
 
Leica M Typ 240Ystereomono---2.0---

Both the SL3 and the M10 are recent models that are part of the current product line-up. The M10 replaced the earlier Leica M Typ 262, while the SL3 followed on from the Canon SL2. 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 what conclusions can be drawn? Which of the two cameras – the Canon SL3 or the Leica M10 – has the upper hand? Is one clearly better than the other? A synthesis of the relative strong points of each of the models is listed below.

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Reasons to prefer the Canon EOS Rebel SL3:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Broader imaging potential: Can record not only still images but also 4K/25p movies.
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • 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.
  • Less heavy: Is lighter (by 211g or 32 percent) and hence easier to carry around.
  • Longer lasting: Can take more shots (1070 versus 210) on a single battery charge.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • More affordable: Was introduced into a lower priced category (91 percent cheaper at launch).
  • More modern: Reflects 2 years and 2 months of technical progress since the M10 launch.

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Arguments in favor of the Leica M10 (Typ 3656):

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Features bigger pixels on a larger sensor for higher quality imaging.
  • Richer colors: The pixel size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger pixels capture a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger pixels means good image quality even under poor lighting.
  • 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 (0.73x vs 0.54x).
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • More prestigious: Has the Leica luxury appeal, which ensures a high resale value.
  • More heavily discounted: Has been around for much longer (launched in January 2017).

If the count of relative strengths (bullet points above) is taken as a measure, the SL3 emerges as the winner of the contest (12 : 10 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

SL3 12:10 M10

In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the SL3 or the M10. 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 (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.

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Review Scores
  Camera
Model
camera
  labs  
dp
review  
ephoto
  zine  
imaging
resource
photography
  blog  
Camera
Launch
Launch
Price (USD)
Street
Price
 
Canon SL3o79/1004/5..4/5 Apr 2019 599 i
 
Leica M10....4/5..4.5/5 Jan 2017 6,595 i
 
Canon T8i+......3.5/5 Feb 2020 749 i
 
Canon M50 Mark II.......... Oct 2020 599 i
 
Canon M50+79/100..4/53.5/5 Feb 2018 779i
 
Canon T7o..3.5/5..3.5/5 Feb 2018 449 i
 
Canon 77D..82/1004.5/54.5/54/5 Feb 2017 899 i
 
Canon SL2+ +78/1004.5/54.5/54.5/5 Jun 2017 549i
 
Canon T7i..80/1004.5/54/54/5 Feb 2017 749i
 
Canon 80D+ +84/1004.5/54.5/54.5/5 Feb 2016 1,199i
 
Canon T6s+77/1004.5/54.5/54.5/5 Feb 2015 649i
 
Canon SL1+78/1004/54/54/5 Mar 2013 549i
 
Canon T2i+ +77/1004/55/54.5/5 Feb 2010 699i
 
Leica M10-P........4/5 Aug 2018 7,995 i
 
Leica M Typ 262.......... Nov 2015 5,195i
 
Leica Q Typ 116..80/1004.5/5..4.5/5 Jun 2015 4,249i
 
Leica M Typ 240....4/5.... Sep 2012 6,950i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

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. Thus, a score needs to be put into the context of the launch date and the launch price 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.

Canon SL3:
Check Amazon price
Leica M10:
Check Amazon price

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

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    Specifications: Canon SL3 vs Leica M10

    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 SL3 Leica M10
    Camera Type Digital single lens reflex Rangefinder camera
    Camera Lens Canon EF mount lenses Leica M mount lenses
    Launch Date April 2019 January 2017
    Launch Price USD 599 USD 6,595
    Sensor Specs Canon SL3 Leica M10
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor Full Frame Sensor
    Sensor Size 22.3 x 14.9 mm 35.8 x 23.9 mm
    Sensor Area 332.27 mm2 855.62 mm2
    Sensor Diagonal 26.8 mm 43 mm
    Crop Factor 1.6x 1.0x
    Sensor Resolution 24 Megapixels 23.8 Megapixels
    Image Resolution 6000 x 4000 pixels 5952 x 3992 pixels
    Pixel Pitch 3.72 μm 6.00 μm
    Pixel Density 7.22 MP/cm2 2.78 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 4K/25p Video no Video
    ISO Setting 100 - 25,600 ISO 100 - 50,000 ISO
    ISO Boost 100 - 51,200 ISO no Enhancement
    Image Processor DIGIC 8 Maestro II
    DXO Sensor Quality (score) .. 86
    DXO Color Depth (bits) .. 24.4
    DXO Dynamic Range (EV) .. 13.2
    DXO Low Light (ISO) .. 2133
    Screen Specs Canon SL3 Leica M10
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 95% 100%
    Viewfinder Magnification 0.54x 0.73x
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1040k dots 1037k dots
    LCD Attachment Swivel screen Fixed screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Canon SL3 Leica M10
    Focus System Phase-detect AF Manual Focus
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/4000s
    Continuous Shooting 5 shutter flaps/s 5 shutter flaps/s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Fill Flash Build-in Flash no On-Board Flash
    Storage Medium SDXC cards SDXC cards
    Second Storage Option Single card slot Single card slot
    UHS card support UHS-I UHS-I
    Connectivity Specs Canon SL3 Leica M10
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 no USB
    HDMI Port mini HDMI no HDMI
    Microphone Port External MIC port no MIC socket
    Wifi Support Wifi built-in Wifi built-in
    Bluetooth Support Bluetooth built-in no Bluetooth
    Body Specs Canon SL3 Leica M10
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type LP-E17 BP-SCL5
    Battery Life (CIPA)1070 shots per charge210 shots per charge
    Body Dimensions 122 x 93 x 70 mm
    (4.8 x 3.7 x 2.8 in)
    139 x 80 x 39 mm
    (5.5 x 3.1 x 1.5 in)
    Camera Weight 449 g (15.8 oz) 660 g (23.3 oz)

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