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Canon 6D Mark II vs SL2

The Canon EOS 6D Mark II and the Canon EOS Rebel SL2 (labelled Canon 200D in some countries) are two digital cameras that were announced in June 2017. Both are DSLR (Digital Single Lens Reflex) cameras that are based on a full frame (6D Mark II) and an APS-C (SL2) sensor. The 6D Mark II has a resolution of 26 megapixels, whereas the SL2 provides 24 MP. Read on to find out how these two cameras compare with respect to their body size, their sensors, their features, their input-output connections, and their reception by expert reviewers.

Headline Specifications
Canon 6D Mark II   Canon SL2
Canon 6D Mark II Canon SL2
Digital single lens reflex Digital single lens reflex
Canon EF mount lenses Canon EF mount lenses
26 MP, Full Frame Sensor 24 MP, APS-C Sensor
1080/60p Video 1080/60p Video
ISO 100-40000 (50-102400) ISO 100-25600 (100-51200)
Optical viewfinder Optical viewfinder
3.0" LCD, 1040k dots 3.0" LCD, 1040k dots
Swivel touchscreen Swivel touchscreen
6.5 shutter flaps per second 5 shutter flaps per second
Weathersealed bodyNot weather sealed
1200 shots per battery charge650 shots per battery charge
144 x 111 x 75 mm, 765 g 122 x 93 x 70 mm, 453 g

Body comparison: Canon 6D Mark II vs SL2

The physical size and weight of the Canon 6D Mark II and the Canon SL2 are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All size dimensions are rounded to the nearest millimeter.

Compare Canon 6D Mark II and Canon SL2
Compare 6D Mark II versus SL2 top
Compare 6D Mark II or SL2 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon SL2 is notably smaller (29 percent) than the Canon 6D Mark II. Moreover, the SL2 is substantially lighter (41 percent) than the 6D Mark II. It is worth mentioning in this context that the 6D Mark II is splash and dust resistant, while the SL2 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. A larger imaging sensor (as in the 6D Mark II) will tend to go along with bigger and heavier lenses, while more compact options are available for the smaller-sensor camera (SL2). You can compare the optics available in the Canon EF Lens Catalog.

Concerning battery life, the 6D Mark II gets 1200 shots out of its LP-E6N battery, while the SL2 can take 650 images on a single charge of its LP-E17 power pack.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. If you would like to visualize and compare a different camera combination, just use the right or left arrows in the table to switch to the respective camera. Alternatively, you can also navigate to the CAM-parator app and make your selection from the full list of cameras there.

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 6D Mark II» 144 mm 111 mm 75 mm 765 g 1200 Y Jun 2017 1,999 i i Canon 6D Mark II
Canon SL2« 122 mm 93 mm 70 mm 453 g 650 n Jun 2017 549 i i Canon SL2
Canon R« » 136 mm 98 mm 84 mm 660 g 370 Y Sep 2018 2,299 i i Canon R
Canon 77D« » 131 mm 100 mm 76 mm 540 g 600 n Feb 2017 899 i i Canon 77D
Canon M6« » 112 mm 68 mm 45 mm 390 g 295 n Feb 2017 779 i i Canon M6
Canon M100« » 108 mm 67 mm 35 mm 302 g 295 n Aug 2017 499 i i Canon M100
Canon 1D X Mark II« » 158 mm 168 mm 83 mm 1530 g 1210 Y Feb 2016 5,999 i i Canon 1D X Mark II
Canon 5D Mark IV« » 151 mm 116 mm 76 mm 890 g 900 Y Aug 2016 3,499 i i Canon 5D Mark IV
Canon 80D« » 139 mm 105 mm 79 mm 730 g 960 Y Feb 2016 1,199 i i Canon 80D
Canon M5« » 116 mm 89 mm 61 mm 427 g 295 n Sep 2016 979 i i Canon M5
Canon 5DS« » 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699 i i Canon 5DS
Canon 5DS R« » 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699 i i Canon 5DS R
Canon 7D II« » 149 mm 112 mm 78 mm 910 g 670 Y Sep 2014 1,799 i i Canon 7D II
Canon SL1« » 117 mm 91 mm 69 mm 407 g 380 n Mar 2013 549- i Canon SL1
Canon 6D« » 145 mm 111 mm 71 mm 770 g 1090 Y Sep 2012 2,099- i Canon 6D
Nikon D500« » 147 mm 115 mm 81 mm 860 g 1240 Y Jan 2016 1,999 i i Nikon D500
Nikon D610« » 141 mm 113 mm 82 mm 850 g 900 Y Oct 2013 1,999 i i Nikon D610

Any camera decision will obviously take relative prices into account. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The SL2 was launched at a markedly lower price (by 73 percent) than the 6D Mark II, which puts it into a different market segment. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

 

Sensor comparison: Canon 6D Mark II vs SL2

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. 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 6D Mark II features a full frame sensor and the Canon SL2 an APS-C sensor. The sensor area in the SL2 is 61 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 1.6. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon 6D Mark II and Canon SL2 sensor measures

With 26MP, the 6D Mark II offers a slightly higher resolution than the SL2 (24MP), but the 6D Mark II nevertheless has larger individual pixels (pixel pitch of 5.76μm versus 3.72μm for the SL2) due to its larger sensor. It is noteworthy in this context that the two cameras were released in close succession, so that their sensors are from the same technological generation.

The Canon EOS 6D Mark II has a native sensitivity range from ISO 100 to ISO 40000, which can be extended to ISO 50-102400. The corresponding ISO settings for the Canon EOS Rebel SL2 are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 100-51200..

6D Mark II versus SL2 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"). Of the two cameras under review, the 6D Mark II has a notably higher overall DXO score than the SL2 (overall score 6 points higher), which gives it an advantage in terms of imaging quality. This advantage is based on 0.8 bits higher color depth, 1.5 EV of lower dynamic range, and 1.5 stops in additional low light sensitivity. 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 6D Mark II» Full Frame 26.0 6240 41601080/60p24.411.9286285Canon 6D Mark II
Canon SL2« APS-C 24.0 6000 40001080/60p23.613.4104179Canon SL2
Canon R« » Full Frame 30.1 6720 44804K/30p----Canon R
Canon 77D« » APS-C 24.0 6000 40001080/60p23.613.397178Canon 77D
Canon M6« » APS-C 24.0 6000 40001080/60p----Canon M6
Canon M100« » APS-C 24.0 6000 40001080/60p23.512.9127278Canon M100
Canon 1D X Mark II« » Full Frame 20.0 5472 36484K/60p24.113.5320788Canon 1D X Mark II
Canon 5D Mark IV« » Full Frame 30.1 6720 44804K/30p24.813.6299591Canon 5D Mark IV
Canon 80D« » APS-C 24.0 6000 40001080/60p23.613.2113579Canon 80D
Canon M5« » APS-C 24.0 6000 40001080/60p23.412.4126277Canon M5
Canon 5DS« » Full Frame 50.3 8688 57921080/60p24.712.4238187Canon 5DS
Canon 5DS R« » Full Frame 50.3 8688 57921080/60p24.612.4230886Canon 5DS R
Canon 7D II« » APS-C 20.0 5472 36481080/60p22.411.8108270Canon 7D II
Canon SL1« » APS-C 17.9 5184 34561080/30p21.811.384363Canon SL1
Canon 6D« » Full Frame 20.0 5472 36481080/30p23.812.1234082Canon 6D
Nikon D500« » APS-C 20.7 5568 37124K/30p24.014.0132483Nikon D500
Nikon D610« » Full Frame 24.2 6016 40161080/30p25.114.4292594Nikon D610

Many modern cameras cannot only take still pictures, but also record videos. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, and both provide the same movie specifications (1080/60p).

 

Feature comparison: Canon 6D Mark II vs SL2

Beyond body and sensor, cameras can and do differ across a range of features. The 6D Mark II and the SL2 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 6D Mark II and Canon SL2 along with similar information for a selection of comparators.

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)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
Camera
Model
Canon 6D Mark II»optical Y 3.0 1040 swivel Y 4000 6.5 n n Canon 6D Mark II
Canon SL2«optical n 3.0 1040 swivel Y 4000 5.0 Y n Canon SL2
Canon R« »3690 Y 3.2 2100 swivel Y 8000 8.0 n n Canon R
Canon 77D« »optical Y 3.0 1040 swivel Y 4000 6.0 Y n Canon 77D
Canon M6« »- n 3.0 1040 tilting Y 4000 9.0 Y n Canon M6
Canon M100« »- n 3.0 1040 tilting Y 4000 6.1 Y n Canon M100
Canon 1D X Mark II« »optical Y 3.2 1620 fixed Y 8000 16.0 n n Canon 1D X Mark II
Canon 5D Mark IV« »optical Y 3.2 1620 fixed Y 8000 7.0 n n Canon 5D Mark IV
Canon 80D« »optical Y 3.0 1040 swivel Y 8000 7.0 Y n Canon 80D
Canon M5« »2360 n 3.2 1620 tilting Y 4000 9.0 Y n Canon M5
Canon 5DS« »optical Y 3.2 1040 fixed n 8000 5.0 n n Canon 5DS
Canon 5DS R« »optical Y 3.2 1040 fixed n 8000 5.0 n n Canon 5DS R
Canon 7D II« »optical Y 3.0 1040 fixed n 8000 10.0 Y n Canon 7D II
Canon SL1« »optical n 3.0 1040 fixed Y 4000 4.9 Y n Canon SL1
Canon 6D« »optical Y 3.0 1040 fixed n 4000 4.5 n n Canon 6D
Nikon D500« »optical Y 3.2 2359 tilting Y 8000 10.0 n n Nikon D500
Nikon D610« »optical Y 3.2 921 fixed n 4000 6.0 Y n Nikon D610

One feature that is present on the 6D Mark II, but is missing on the SL2 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.

Both cameras have an articulated rear screen that can be turned to be front-facing. This feature will be particularly appreciated by vloggers and photographers who are interested in taking selfies.

Concerning the storage of imaging data, both the 6D Mark II and the SL2 write their files to SDXC cards.

 

Connectivity comparison: Canon 6D Mark II vs SL2

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 6D Mark II and Canon EOS Rebel SL2 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
Canon 6D Mark II»YstereomonoY-mini2.0YYYCanon 6D Mark II
Canon SL2«YstereomonoY-mini2.0YYYCanon SL2
Canon R« »YstereomonoYYmini3.1Y-YCanon R
Canon 77D« »YstereomonoY-mini2.0YYYCanon 77D
Canon M6« »YstereomonoY-mini2.0YYYCanon M6
Canon M100« »-stereomono--mini2.0YYYCanon M100
Canon 1D X Mark II« »YmonomonoYYmini3.0---Canon 1D X Mark II
Canon 5D Mark IV« »YmonomonoYYmini3.0YY-Canon 5D Mark IV
Canon 80D« »YstereomonoYYmini2.0YY-Canon 80D
Canon M5« »YstereomonoY-mini2.0YYYCanon M5
Canon 5DS« »YmonomonoY-mini3.0---Canon 5DS
Canon 5DS R« »YmonomonoY-mini3.0---Canon 5DS R
Canon 7D II« »YstereomonoYYmini3.0---Canon 7D II
Canon SL1« »YmonomonoY-mini2.0---Canon SL1
Canon 6D« »YmonomonoY-mini2.0Y--Canon 6D
Nikon D500« »YstereomonoYYmini3.0YYYNikon D500
Nikon D610« »YmonomonoYYmini2.0---Nikon D610

Both the 6D Mark II and the SL2 are recent models that feature in their makers' current product line-up. The 6D Mark II replaced the earlier Canon 6D, while the SL2 followed on from the Canon SL1.


Review summary: Canon 6D Mark II vs SL2

So what is the bottom line? Is the Canon 6D Mark II better than the Canon SL2 or vice versa? A synthesis of the relative strong points of each of the models is listed below.


Advantages of the Canon EOS 6D Mark II:

  • Better image quality: Scores markedly higher (6 points) in the DXO overall assessment.
  • Better low-light sensitivity: Requires less light for good images (1.5 stops ISO advantage).
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • Faster burst: Shoots at higher frequency (6.5 vs 5 flaps/sec) to capture the decisive moment.
  • Longer lasting: Can take more shots (1200 versus 650) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.


Arguments in favor of the Canon EOS Rebel SL2:

  • More dynamic range: Captures a broader range of light and dark details (1.5 EV of extra DR).
  • More compact: Is smaller (122x93mm vs 144x111mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 312g or 41 percent) and is thus easier to take along.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • More affordable: Was introduced into a lower priced category (73 percent cheaper at launch).

If the count of individual advantages (bullet points above) is taken as a guide, the 6D Mark II comes out slightly ahead of the SL2 (6 : 5 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.

6D Mark II 06:05 SL2

In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it says nothing about, for example, the handling, responsiveness, and overall imaging quality of the 6D Mark II and the SL2 in practical situations. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.

Expert reviews: Canon 6D Mark II vs SL2

This is why hands-on reviews by experts are important. The adjacent table relays the overall verdicts of several of the most popular camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog). The detailed reviews can be accessed 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 6D Mark II»Rec80/1004.5/54/54/5 Jun 2017 1,999 i i Canon 6D Mark II
Canon SL2«HiRec78/1004.5/54.5/54.5/5 Jun 2017 549 i i Canon SL2
Canon R« »rev79/1004.5/54/54/5 Sep 2018 2,299 i i Canon R
Canon 77D« »-82/1004.5/54.5/54/5 Feb 2017 899 i i Canon 77D
Canon M6« »-80/1004/54.5/54/5 Feb 2017 779 i i Canon M6
Canon M100« »Rec-4/5-3.5/5 Aug 2017 499 i i Canon M100
Canon 1D X Mark II« »-89/1004.5/55/54.5/5 Feb 2016 5,999 i i Canon 1D X Mark II
Canon 5D Mark IV« »HiRec87/1004.5/55/54.5/5 Aug 2016 3,499 i i Canon 5D Mark IV
Canon 80D« »HiRec84/1004.5/54.5/54.5/5 Feb 2016 1,199 i i Canon 80D
Canon M5« »Rec82/1004/54.5/54/5 Sep 2016 979 i i Canon M5
Canon 5DS« »Rec83/1004.5/55/54.5/5 Feb 2015 3,699 i i Canon 5DS
Canon 5DS R« »Rec83/1005/55/54.5/5 Feb 2015 3,699 i i Canon 5DS R
Canon 7D II« »Rec84/1004/55/54.5/5 Sep 2014 1,799 i i Canon 7D II
Canon SL1« »Rec78/1004/54/54/5 Mar 2013 549- i Canon SL1
Canon 6D« »HiRec83/1004.5/54.5/54.5/5 Sep 2012 2,099- i Canon 6D
Nikon D500« »HiRec91/1004.5/55/55/5 Jan 2016 1,999 i i Nikon D500
Nikon D610« »HiRec87/1004.5/54.5/54.5/5 Oct 2013 1,999 i i Nikon D610

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. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

Canon 6D Mark II:
Check Amazon price
Canon SL2:
Check Amazon price

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.

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    Specifications: Canon 6D Mark II vs Canon SL2

    Camera Specifications
    Camera Model Canon 6D Mark II Canon SL2
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Canon EF mount lenses Canon EF mount lenses
    Launch Date June 2017 June 2017
    Launch Price USD 1999 USD 549
    Sensor Specs
    Sensor Technology CMOS CMOS
    Sensor Format Full Frame Sensor APS-C Sensor
    Sensor Size 35.9 x 24.0 mm 22.3 x 24.0 mm
    Sensor Area 861.6 mm2 332.27 mm2
    Sensor Diagonal 43.2 mm 26.8 mm
    Crop Factor 1.0x 1.6x
    Sensor Resolution 26 Megapixels 24 Megapixels
    Image Resolution 6240 x 4160 pixels 6000 x 4000 pixels
    Pixel Pitch 5.76 μm 3.72 μm
    Pixel Density 3.01 MP/cm2 7.22 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/60p Video 1080/60p Video
    ISO Setting 100-40000 ISO 100-25600 ISO
    ISO Boost 50-102400 ISO 100-51200 ISO
    Image Processor DIGIC 7 DIGIC 7
    DXO Sensor Quality (score) 85 79
    DXO Color Depth (bits) 24.4 23.6
    DXO Dynamic Range (EV) 11.9 13.4
    DXO Low Light (ISO) 2862 1041
    Screen Specs
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 98% 95%
    Viewfinder Magnification 0.72x 0.54x
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.0 inch 3.0 inch
    LCD Resolution 1040k dots 1040k dots
    LCD Attachment Swivel screen Swivel screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs
    Autofocus System Phase-detect AF Phase-detect AF
    Maximum Shutter Speed 1/4000s 1/4000s
    Continuous Shooting 6.5 shutter flaps/s 5 shutter flaps/s
    Fill Flash no On-Board Flash Build-in Flash
    Storage Medium SDXC cards SDXC cards
    Second Storage Option Single card slot Single card slot
    Connectivity Specs
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI mini HDMI
    Microphone Port External MIC port External MIC port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication NFC built-in NFC built-in
    Bluetooth Support Bluetooth built-in Bluetooth built-in
    Body Specs
    Environmental SealingWeathersealed bodyNot weather sealed
    Battery Type LP-E6N power pack LP-E17 power pack
    Battery Life (CIPA)1200 shots per charge650 shots per charge
    Body Dimensions 144 x 111 x 75 mm
    (5.7 x 4.4 x 3.0 in)
    122 x 93 x 70 mm
    (4.8 x 3.7 x 2.8 in)
    Camera Weight 765 g (27.0 oz) 453 g (16.0 oz)

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