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Canon 6D vs SL1

The Canon EOS 6D and the Canon EOS Rebel SL1 (labelled Canon 100D in some countries) are two digital cameras that were officially introduced, respectively, in September 2012 and March 2013. Both are DSLR (Digital Single Lens Reflex) cameras that are based on a full frame (6D) and an APS-C (SL1) sensor. The 6D has a resolution of 20 megapixels, whereas the SL1 provides 17.9 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   Canon SL1
Canon 6D Canon SL1
Digital single lens reflex Digital single lens reflex
Canon EF mount lenses Canon EF mount lenses
20 MP, Full Frame Sensor 17.9 MP, APS-C Sensor
1080/30p Video 1080/30p Video
ISO 100-25600 (50-102400) ISO 100-12800 (100-25600)
Optical viewfinder Optical viewfinder
3.0" LCD, 1040k dots 3.0" LCD, 1040k dots
Fixed screen (not touch-sensitive) Fixed touchscreen
4.5 shutter flaps per second 4.9 shutter flaps per second
Weathersealed bodyNot weather sealed
1090 shots per battery charge380 shots per battery charge
145 x 111 x 71 mm, 770 g 117 x 91 x 69 mm, 407 g

Body comparison: Canon 6D vs SL1

The side-by-side display below illustrates the physical size and weight of the Canon 6D and the Canon SL1. 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 and Canon SL1
Compare 6D versus SL1 top
Compare 6D or SL1 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon SL1 is considerably smaller (34 percent) than the Canon 6D. Moreover, the SL1 is substantially lighter (47 percent) than the 6D. It is worth mentioning in this context that the 6D is splash and dust resistant, while the SL1 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) will tend to go along with bigger and heavier lenses, while more compact options are available for the smaller-sensor camera (SL1). You can compare the optics available in the Canon EF Lens Catalog.

Concerning battery life, the 6D gets 1090 shots out of its LP-E6 battery, while the SL1 can take 380 images on a single charge of its LP-E12 power pack.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. In case you want to display and compare another camera duo, just click on the right or left arrow next to the camera that you would like to inspect. Alternatively, you can also use the CAM-parator to select your camera combination among a larger number of options.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
Canon 6D» 5.7 in 4.4 in 2.8 in 27.2 oz 1090 Y Sep 2012 2,099- i Canon 6D
Canon SL1« 4.6 in 3.6 in 2.7 in 14.4 oz 380 n Mar 2013 549- i Canon SL1
Canon 6D Mark II« » 5.7 in 4.4 in 3.0 in 27.0 oz 1200 Y Jun 2017 1,999 i i Canon 6D Mark II
Canon SL2« » 4.8 in 3.7 in 2.8 in 16.0 oz 650 n Jun 2017 549 i i Canon SL2
Canon 1D X Mark II« » 6.2 in 6.6 in 3.3 in 54.0 oz 1210 Y Feb 2016 5,999 i i Canon 1D X Mark II
Canon T6« » 5.1 in 4.0 in 3.1 in 17.1 oz 500 n Mar 2016 449- i Canon T6
Canon 5DS« » 6.0 in 4.6 in 3.0 in 32.8 oz 700 Y Feb 2015 3,699 i i Canon 5DS
Canon M10« » 4.3 in 2.6 in 1.4 in 10.6 oz 255 n Oct 2015 499- i Canon M10
Canon 7D II« » 5.9 in 4.4 in 3.1 in 32.1 oz 670 Y Sep 2014 1,799 i i Canon 7D II
Canon T5« » 5.1 in 3.9 in 3.1 in 16.9 oz 500 n Feb 2014 449- i Canon T5
Canon 70D« » 5.5 in 4.1 in 3.1 in 26.6 oz 920 Y Jul 2013 1,199- i Canon 70D
Canon T5i« » 5.2 in 3.9 in 3.1 in 20.5 oz 440 n Mar 2013 649- i Canon T5i
Canon 5D Mark III« » 6.0 in 4.6 in 3.0 in 33.5 oz 950 Y Mar 2012 3,499- i Canon 5D Mark III
Canon 1D X« » 6.2 in 6.6 in 3.3 in 54.7 oz 1120 Y Oct 2011 6,799- i Canon 1D X
Canon 5D Mark II« » 6.0 in 4.5 in 3.0 in 30.0 oz 850 Y Sep 2008 3,499- i Canon 5D Mark II
Nikon D610« » 5.6 in 4.4 in 3.2 in 30.0 oz 900 Y Oct 2013 1,999 i i Nikon D610
Nikon D600« » 5.6 in 4.4 in 3.2 in 30.0 oz 900 Y Sep 2012 2,099- i Nikon D600

Any camera decision will obviously take relative prices into account. 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 SL1 was launched at a markedly lower price (by 74 percent) than the 6D, 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

 

Sensor comparison: Canon 6D vs SL1

The size of the sensor inside a digital camera is one of the key determinants 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. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Canon 6D features a full frame sensor and the Canon SL1 an APS-C sensor. The sensor area in the SL1 is 62 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.

In terms of chip-set technology, the 6D uses a more advanced image processing engine (DIGIC 5+) than the SL1 (DIGIC 5), with benefits for noise reduction, color accuracy, and processing speed.

Canon 6D and Canon SL1 sensor measures

With 20MP, the 6D offers a higher resolution than the SL1 (17.9MP), but the 6D nevertheless has larger individual pixels (pixel pitch of 6.57μm versus 4.31μm for the SL1) due to its larger sensor. However, the SL1 is a somewhat more recent model (by 6 months) than the 6D, and its sensor might have benefitted from technological advances during this time that enhance the light gathering capacity of its pixels.

The SL1 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during video recording.

The Canon EOS 6D has a native sensitivity range from ISO 100 to ISO 25600, which can be extended to ISO 50-102400. The corresponding ISO settings for the Canon EOS Rebel SL1 are ISO 100 to ISO 12800, with the possibility to increase the ISO range to 100-25600..

6D versus SL1 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. Of the two cameras under review, the 6D provides substantially higher image quality than the SL1, with an overall score that is 19 points higher. This advantage is based on 2 bits higher color depth, 0.8 EV in additional 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» Full Frame 20.0 5472 36481080/30p23.812.1234082Canon 6D
Canon SL1« APS-C 17.9 5184 34561080/30p21.811.384363Canon SL1
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 1D X Mark II« » Full Frame 20.0 5472 36484K/60p24.113.5320788Canon 1D X Mark II
Canon T6« » APS-C 17.9 5184 34561080/30p----Canon T6
Canon 5DS« » Full Frame 50.3 8688 57921080/60p24.712.4238187Canon 5DS
Canon M10« » APS-C 17.9 5184 34561080/30p22.211.475365Canon M10
Canon 7D II« » APS-C 20.0 5472 36481080/60p22.411.8108270Canon 7D II
Canon T5« » APS-C 17.9 5184 34561080/30p21.911.372463Canon T5
Canon 70D« » APS-C 20.0 5472 36481080/30p22.511.692668Canon 70D
Canon T5i« » APS-C 17.9 5184 34561080/30p21.711.268161Canon T5i
Canon 5D Mark III« » Full Frame 22.1 5760 38401080/30p24.011.7229381Canon 5D Mark III
Canon 1D X« » Full Frame 17.9 5184 34561080/30p23.811.8278682Canon 1D X
Canon 5D Mark II« » Full Frame 21.0 5616 37441080/30p23.711.9181579Canon 5D Mark II
Nikon D610« » Full Frame 24.2 6016 40161080/30p25.114.4292594Nikon D610
Nikon D600« » Full Frame 24.2 6016 40161080/30p25.114.2298094Nikon D600

Many modern cameras are not only capable of taking still images, but can also record movies. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, and both provide the same movie specifications (1080/30p).

 

Feature comparison: Canon 6D vs SL1

Apart from body and sensor, cameras can and do differ across a range of features. The 6D and the SL1 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 and Canon SL1 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»optical Y 3.0 1040 fixed n 4000 4.5 n n Canon 6D
Canon SL1«optical n 3.0 1040 fixed Y 4000 4.9 Y n Canon SL1
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 1D X Mark II« »optical Y 3.2 1620 fixed Y 8000 16.0 n n Canon 1D X Mark II
Canon T6« »optical n 3.0 920 fixed n 4000 3.0 Y n Canon T6
Canon 5DS« »optical Y 3.2 1040 fixed n 8000 5.0 n n Canon 5DS
Canon M10« »- n 3.0 1040 tilting Y 4000 4.6 Y n Canon M10
Canon 7D II« »optical Y 3.0 1040 fixed n 8000 10.0 Y n Canon 7D II
Canon T5« »optical n 3.0 460 fixed n 4000 3.0 Y n Canon T5
Canon 70D« »optical Y 3.0 1040 swivel Y 8000 7.0 Y n Canon 70D
Canon T5i« »optical n 3.0 1040 swivel Y 4000 5.0 Y n Canon T5i
Canon 5D Mark III« »optical Y 3.2 1040 fixed n 8000 6.0 n n Canon 5D Mark III
Canon 1D X« »optical Y 3.2 1040 fixed n 8000 14.0 n n Canon 1D X
Canon 5D Mark II« »optical Y 3.0 920 fixed n 8000 3.9 n n Canon 5D Mark II
Nikon D610« »optical Y 3.2 921 fixed n 4000 6.0 Y n Nikon D610
Nikon D600« »optical Y 3.0 921 fixed n 4000 5.5 Y n Nikon D600

One feature that is present on the 6D, but is missing on the SL1 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.

Concerning the storage of imaging data, both the 6D and the SL1 write their files to SDXC cards.

 

Connectivity comparison: Canon 6D vs SL1

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 and Canon EOS Rebel SL1 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»YmonomonoY-mini2.0Y--Canon 6D
Canon SL1«YmonomonoY-mini2.0---Canon SL1
Canon 6D Mark II« »YstereomonoY-mini2.0YYYCanon 6D Mark II
Canon SL2« »YstereomonoY-mini2.0YYYCanon SL2
Canon 1D X Mark II« »YmonomonoYYmini3.0---Canon 1D X Mark II
Canon T6« »Ymonomono--mini2.0YY-Canon T6
Canon 5DS« »YmonomonoY-mini3.0---Canon 5DS
Canon M10« »-stereomono--mini2.0YY-Canon M10
Canon 7D II« »YstereomonoYYmini3.0---Canon 7D II
Canon T5« »Ymonomono--mini2.0---Canon T5
Canon 70D« »YstereomonoY-mini2.0Y--Canon 70D
Canon T5i« »YstereomonoY-mini2.0---Canon T5i
Canon 5D Mark III« »YmonomonoYYmini2.0---Canon 5D Mark III
Canon 1D X« »Ymono-Y-mini2.0---Canon 1D X
Canon 5D Mark II« »YmonomonoY-mini2.0---Canon 5D Mark II
Nikon D610« »YmonomonoYYmini2.0---Nikon D610
Nikon D600« »YmonomonoYYmini2.0---Nikon D600

It is notable that the 6D offers wifi support, while the SL1 does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

Both the 6D and the SL1 have been discontinued, but can regularly be found used on eBay. The 6D was replaced by the Canon 6D Mark II, while the SL1 was followed by the Canon SL2.


Review summary: Canon 6D vs SL1

So how do things add up? Which of the two cameras – the Canon 6D or the Canon SL1 – has the upper hand? The listing below highlights the relative strengths of the two models.


Arguments in favor of the Canon EOS 6D:

  • More detail: Offers more megapixels (20 vs 17.9MP) with a 6% higher linear resolution.
  • Better image quality: Scores substantially higher (19 points) in the DXO overall assessment.
  • Richer colors: Generates images with noticeably better colors (2 bits more color depth).
  • More dynamic range: Captures a larger spectrum of light and dark details (0.8 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (1.5 stops ISO advantage).
  • Better jpgs: Has a more modern image processing engine (DIGIC 5+ vs DIGIC 5).
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • Longer lasting: Can take more shots (1090 versus 380) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • More heavily discounted: Has been on the market for longer (launched in September 2012).


Advantages of the Canon EOS Rebel SL1:

  • Better video autofocus: Features on-sensor phase-detection for more confident movie autofocus.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • More compact: Is smaller (117x91mm vs 145x111mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 363g or 47 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 (74 percent cheaper at launch).
  • More modern: Was introduced somewhat (6 months) more recently.

If the number of relative strengths (bullet points above) is taken as a guide, the 6D is the clear winner of the match-up (11 : 7 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 11:07 SL1

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains partial and cannot reveal, for example, the handling experience and imaging performance when actually working with the 6D or the SL1. 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: Canon 6D vs SL1

This is why expert reviews 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»HiRec83/1004.5/54.5/54.5/5 Sep 2012 2,099- i Canon 6D
Canon SL1«Rec78/1004/54/54/5 Mar 2013 549- i Canon SL1
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 1D X Mark II« »-89/1004.5/55/54.5/5 Feb 2016 5,999 i i Canon 1D X Mark II
Canon T6« »rev73/1004/53.5/54/5 Mar 2016 449- i Canon T6
Canon 5DS« »Rec83/1004.5/55/54.5/5 Feb 2015 3,699 i i Canon 5DS
Canon M10« »---rev4/5 Oct 2015 499- i Canon M10
Canon 7D II« »Rec84/1004/55/54.5/5 Sep 2014 1,799 i i Canon 7D II
Canon T5« »Rec-4/54/54.5/5 Feb 2014 449- i Canon T5
Canon 70D« »HiRec83/1004.5/54.5/55/5 Jul 2013 1,199- i Canon 70D
Canon T5i« »-76/1004.5/54.5/54.5/5 Mar 2013 649- i Canon T5i
Canon 5D Mark III« »HiRec82/1004.5/55/54.5/5 Mar 2012 3,499- i Canon 5D Mark III
Canon 1D X« »--4.5/54.5/54.5/5 Oct 2011 6,799- i Canon 1D X
Canon 5D Mark II« »91/10079/1004/55/5- Sep 2008 3,499- i Canon 5D Mark II
Nikon D610« »HiRec87/1004.5/54.5/54.5/5 Oct 2013 1,999 i i Nikon D610
Nikon D600« »HiRec87/1005/54.5/54.5/5 Sep 2012 2,099- i Nikon D600

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. 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, please note that some of the review sites have changed their methodology and reporting over time.

Canon 6D:
Check Ebay offers
Canon SL1:
Check Ebay offers

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

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    Specifications: Canon 6D vs Canon SL1

    Camera Specifications
    Camera Model Canon 6D Canon SL1
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Canon EF mount lenses Canon EF mount lenses
    Launch Date September 2012 March 2013
    Launch Price USD 2099 USD 549
    Sensor Specs
    Sensor Technology CMOS CMOS
    Sensor Format Full Frame Sensor APS-C Sensor
    Sensor Size 36.0 x 24.0 mm 22.3 x 24.0 mm
    Sensor Area 864 mm2 332.27 mm2
    Sensor Diagonal 43.3 mm 26.8 mm
    Crop Factor 1.0x 1.6x
    Sensor Resolution 20 Megapixels 17.9 Megapixels
    Image Resolution 5472 x 3648 pixels 5184 x 3456 pixels
    Pixel Pitch 6.57 μm 4.31 μm
    Pixel Density 2.31 MP/cm2 5.39 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/30p Video 1080/30p Video
    ISO Setting 100-25600 ISO 100-12800 ISO
    ISO Boost 50-102400 ISO 100-25600 ISO
    Image Processor DIGIC 5+ DIGIC 5
    DXO Sensor Quality (score) 82 63
    DXO Color Depth (bits) 23.8 21.8
    DXO Dynamic Range (EV) 12.1 11.3
    DXO Low Light (ISO) 2340 843
    Screen Specs
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 97% 95%
    Viewfinder Magnification 0.71x 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 Fixed screen Fixed screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs
    Autofocus System Phase-detect AF Phase-detect AF
    Maximum Shutter Speed 1/4000s 1/4000s
    Continuous Shooting 4.5 shutter flaps/s 4.9 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 no Wifi
    Body Specs
    Environmental SealingWeathersealed bodyNot weather sealed
    Battery Type LP-E6 power pack LP-E12 power pack
    Battery Life (CIPA)1090 shots per charge380 shots per charge
    Body Dimensions 145 x 111 x 71 mm
    (5.7 x 4.4 x 2.8 in)
    117 x 91 x 69 mm
    (4.6 x 3.6 x 2.7 in)
    Camera Weight 770 g (27.2 oz) 407 g (14.4 oz)

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