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Canon SL2 vs T7i

The Canon EOS Rebel SL2 (called Canon 200D in some regions) and the Canon EOS Rebel T7i (labelled Canon 800D in some countries) are two digital cameras that were revealed to the public, respectively, in June 2017 and February 2017. Both are DSLR (Digital Single Lens Reflex) cameras that are equipped with an APS-C sensor. Both cameras offer a resolution of 24 megapixels.

As their names suggest, both the Canon EOS Rebel SL2 and the Canon EOS Rebel T7i belong to Canon's Rebel line of DSLR cameras. This range of APS-C cameras, which started out with the Canon EOS Digital Rebel in 2003, has been a big commercial success and the backbone of Canon's dominance in the digital camera market. The popularity of the Rebel cameras is the result of them inheriting much of the sensor and shooting technology from earlier released professional DSLRs, while being sold at a much more budget-friendly price point. The strong brand reputation of Canon and the comprehensive EOS system of compatible lenses and accessories further contributes to the appeal of the Rebel cams, including the Canon SL2 and Canon T7i. Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Canon SL2 versus Canon T7i
Canon SL2 Canon T7i
Digital single lens reflex Digital single lens reflex
Canon EF mount lenses Canon EF mount lenses
24 MP, APS-C Sensor 24 MP, APS-C Sensor
1080/60p Video 1080/60p Video
ISO 100-25,600 (100 - 51,200) ISO 100-25,600 (100 - 51,200)
Optical viewfinder Optical viewfinder
3.0 LCD, 1040k dots 3.0 LCD, 1040k dots
Swivel touchscreen Swivel touchscreen
5 shutter flaps per second 6 shutter flaps per second
650 shots per battery charge600 shots per battery charge
122 x 93 x 70 mm, 453 g 131 x 100 x 76 mm, 532 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS Rebel SL2 and the Canon EOS Rebel T7i? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

Body comparison

The side-by-side display below illustrates the physical size and weight of the Canon SL2 and the Canon T7i. 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 width, height and depth dimensions are rounded to the nearest millimeter.

The SL2 can be obtained in two different colors (black, white), while the T7i is only available in black.

Size Canon SL2 vs Canon T7i
Compare SL2 versus T7i top
Comparison SL2 or T7i rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon T7i is notably larger (15 percent) than the Canon SL2. Moreover, the T7i is markedly heavier (17 percent) than the SL2. In this context, it is worth noting that neither the SL2 nor the T7i are weather-sealed.

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. In this particular case, both cameras feature the same lens mount, so that they can use the same lenses. You can compare the optics available in the Canon EF Lens Catalog.

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, 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 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 T8i 131 mm 103 mm 76 mm 515 g 800 n Feb 2020 749 i
 
Canon SL3 122 mm 93 mm 70 mm 449 g 1070 n Apr 2019 599 i
 
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 G9 X Mark II 98 mm 58 mm 31 mm 206 g 235 n Jan 2017 529 i
 
Canon M6 112 mm 68 mm 45 mm 390 g 295 n Feb 2017 779i
 
Canon M100 108 mm 67 mm 35 mm 302 g 295 n Aug 2017 499i
 
Canon M5 116 mm 89 mm 61 mm 427 g 295 n Sep 2016 979 i
 
Canon T6i 132 mm 101 mm 78 mm 555 g 440 n Feb 2015 749i
 
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 T5i 133 mm 100 mm 79 mm 580 g 440 n Mar 2013 649i
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.

Any camera decision will naturally be influenced heavily by the price. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The SL2 was launched at a markedly lower price (by 27 percent) than the T7i, 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 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 tend to be more expensive and lead to bigger and heavier cameras and lenses.

Both cameras under consideration feature an APS-C sensor and have a format factor (sometimes also referred to as "crop factor") of 1.6. Within the spectrum of camera sensors, this places the review cameras among the medium-sized sensor cameras that aim to strike a balance between image quality and portability. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon SL2 and Canon T7i sensor measures

The two cameras under review do not only share the same sensor size, but also offer an identical resolution of 24 megapixels. This similarity in sensor specs implies that both the SL2 and the T7i have the same pixel density, as well as the same pixel size. It should, however, be noted that the SL2 is a somewhat more recent model (by 4 months) than the T7i, and its sensor might have benefitted from technological advances during this time.

The Canon EOS Rebel SL2 has a native sensitivity range from ISO 100 to ISO 25600, which can be extended to ISO 100-51200. The Canon EOS Rebel T7i offers exactly the same ISO settings.

SL2 versus T7i MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
 
Canon SL2 APS-C 24.0 6000 40001080/60p23.613.4104179
 
Canon T7i APS-C 24.0 6000 40001080/60p........
 
Canon T8i APS-C 24.0 6000 40004K/24p........
 
Canon SL3 APS-C 24.0 6000 40004K/25p........
 
Canon T7 APS-C 24.0 6000 40001080/30p........
 
Canon 77D APS-C 24.0 6000 40001080/60p23.613.397178
 
Canon G9 X Mark II 1-inch 20.0 5472 36481080/60p21.912.552265
 
Canon M6 APS-C 24.0 6000 40001080/60p........
 
Canon M100 APS-C 24.0 6000 40001080/60p23.512.9127278
 
Canon M5 APS-C 24.0 6000 40001080/60p23.412.4126277
 
Canon T6i APS-C 24.0 6000 40001080/30p22.712.091971
 
Canon T6s APS-C 24.0 6000 40001080/30p22.612.091570
 
Canon SL1 APS-C 17.9 5184 34561080/30p21.811.384363
 
Canon T5i APS-C 17.9 5184 34561080/30p21.711.268161

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 (1080/60p).

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. The SL2 and the T7i 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 viewfinders of both cameras offer the same field of view (95%), but the viewfinder of the SL2 has a higher magnification than the one of the T7i (0.54x vs 0.51x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The adjacent table lists some of the other core features of the Canon SL2 and Canon T7i along with similar information for a selection of comparators.

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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 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 T8ioptical n 3.0 1040 swivel Y 1/4000s 7.5 Y n
 
Canon SL3optical n 3.0 1040 swivel Y 1/4000s 5.0 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 G9 X Mark IInone n 3.0 1040 fixed Y 1/2000s 8.2 Y Y
 
Canon M6optional n 3.0 1040 tilting Y 1/4000s 9.0 Y n
 
Canon M100none n 3.0 1040 tilting Y 1/4000s 6.1 Y n
 
Canon M52360 n 3.2 1620 tilting Y 1/4000s 9.0 Y n
 
Canon T6ioptical n 3.0 1040 swivel Y 1/4000s 5.0 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 T5ioptical n 3.0 1040 swivel Y 1/4000s 5.0 Y n
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.

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

Concerning the storage of imaging data, both the SL2 and the T7i 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 SL2 and Canon EOS Rebel T7i 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 SL2YstereomonoY-mini2.0YYY
 
Canon T7iYstereomonoY-mini2.0YYY
 
Canon T8iYstereomonoY-mini2.0Y-Y
 
Canon SL3YstereomonoY-mini2.0Y-Y
 
Canon T7Ymonomono--mini2.0YY-
 
Canon 77DYstereomonoY-mini2.0YYY
 
Canon G9 X Mark II-stereomono--micro2.0YYY
 
Canon M6YstereomonoY-mini2.0YYY
 
Canon M100-stereomono--micro2.0YYY
 
Canon M5YstereomonoY-mini2.0YYY
 
Canon T6iYstereomonoY-mini2.0YY-
 
Canon T6sYstereomonoY-mini2.0YY-
 
Canon SL1YmonomonoY-mini2.0---
 
Canon T5iYstereomonoY-mini2.0---

Both the SL2 and the T7i have been discontinued, but can regularly be found used on eBay. The T7i was replaced by the Canon T8i, while the SL2 was followed by 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 website.

Review summary

So what conclusions can be drawn? Is the Canon SL2 better than the Canon T7i or vice versa? A synthesis of the relative strong points of each of the models is listed below.


Advantages of the Canon EOS Rebel SL2:

  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.54x vs 0.51x).
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More compact: Is smaller (122x93mm vs 131x100mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 79g or 15 percent) and hence easier to carry around.
  • More affordable: Was introduced into a lower priced category (27 percent cheaper at launch).
  • More modern: Is somewhat more recent (announced 4 months after the T7i).


Arguments in favor of the Canon EOS Rebel T7i:

  • Faster burst: Shoots at higher frequency (6 vs 5 flaps/sec) to capture the decisive moment.
  • More heavily discounted: Has been on the market for longer (launched in February 2017).

If the count of individual advantages (bullet points above) is taken as a guide, the SL2 is the clear winner of the match-up (6 : 2 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.

SL2 06:02 T7i

How about other alternatives? Do the specifications of the Canon SL2 and the Canon T7i place the cameras among the top in their class? Find out in the latest Best DSLR Camera listing whether the two cameras rank among the cream of the crop.

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains incomplete and does no justice, for example, to the way the SL2 or the T7i perform in practice. 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 why expert reviews are important. The following table reports the overall ratings of the cameras as published by some of the major camera 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 SL2+ +78/1004.5/54.5/54.5/5 Jun 2017 549i
 
Canon T7i..80/1004.5/54/54/5 Feb 2017 749i
 
Canon T8i.......... Feb 2020 749 i
 
Canon SL3o79/1004/5..4/5 Apr 2019 599 i
 
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 G9 X Mark II..75/1004.5/54.5/54.5/5 Jan 2017 529 i
 
Canon M6..80/1004/54.5/54/5 Feb 2017 779i
 
Canon M100+..4/5..3.5/5 Aug 2017 499i
 
Canon M5+82/1004/54.5/54/5 Sep 2016 979 i
 
Canon T6i..75/1004.5/54.5/54.5/5 Feb 2015 749i
 
Canon T6s+77/1004.5/54.5/54.5/5 Feb 2015 649i
 
Canon SL1+78/1004/54/54/5 Mar 2013 549i
 
Canon T5i..76/1004.5/54.5/54.5/5 Mar 2013 649i
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. 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. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

Canon SL2:
Check Ebay offers
Canon T7i:
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 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 SL2 vs Canon T7i

    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 SL2 Canon T7i
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Canon EF mount lenses Canon EF mount lenses
    Launch Date June 2017 February 2017
    Launch Price USD 549 USD 749
    Sensor Specs Canon SL2 Canon T7i
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor APS-C Sensor
    Sensor Size 22.3 x 14.9 mm 22.3 x 14.9 mm
    Sensor Area 332.27 mm2 332.27 mm2
    Sensor Diagonal 26.8 mm 26.8 mm
    Crop Factor 1.6x 1.6x
    Sensor Resolution 24 Megapixels 24 Megapixels
    Image Resolution 6000 x 4000 pixels 6000 x 4000 pixels
    Pixel Pitch 3.72 μm 3.72 μm
    Pixel Density 7.22 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 - 25,600 ISO 100 - 25,600 ISO
    ISO Boost 100 - 51,200 ISO 100 - 51,200 ISO
    Image Processor DIGIC 7 DIGIC 7
    DXO Sensor Quality (score) 79 ..
    DXO Color Depth (bits) 23.6 ..
    DXO Dynamic Range (EV) 13.4 ..
    DXO Low Light (ISO) 1041 ..
    Screen Specs Canon SL2 Canon T7i
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 95% 95%
    Viewfinder Magnification 0.54x 0.51x
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1040k dots 1040k dots
    LCD Attachment Swivel screen Swivel screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Canon SL2 Canon T7i
    Focus System Phase-detect AF Phase-detect AF
    Continuous Shooting 5 shutter flaps/s 6 shutter flaps/s
    Shutter Life Expectancy100 000 actuations100 000 actuations
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Fill Flash Build-in Flash Build-in 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 SL2 Canon T7i
    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 Canon SL2 Canon T7i
    Battery Type LP-E17 LP-E17
    Battery Life (CIPA)650 shots per charge600 shots per charge
    Body Dimensions 122 x 93 x 70 mm
    (4.8 x 3.7 x 2.8 in)
    131 x 100 x 76 mm
    (5.2 x 3.9 x 3.0 in)
    Camera Weight 453 g (16.0 oz) 532 g (18.8 oz)

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