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Canon 200D versus Sony A7 III

The Canon EOS 200D (called Canon SL2 in some regions) and the Sony Alpha A7 III are two digital cameras that were revealed to the public, respectively, in June 2017 and February 2018. The 200D is a DSLR, while the A7 III is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (200D) and a full frame (A7 III) sensor. Both cameras offer a resolution of 24 megapixel. Read on to find out how these two cameras compare with respect to their size, their sensors, their features, and their reception by expert reviewers.

Body comparison: Canon 200D vs Sony A7 III

The physical size and weight of the Canon 200D and the Sony A7 III are illustrated 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 width, height and depth measures are rounded to the nearest millimeter. If you prefer, you can also use the toggle button to switch to a comparison in percentage terms (in this case, the camera on the left side – the 200D – represents the basis for the calculations across all the size and weight measures).

Compare Canon 200D vs Sony A7 III
Compare 200D versus A7 III top
Compare 200D and A7 III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7 III is notably larger (7 percent) than the Canon 200D. Moreover, the A7 III is substantially heavier (43 percent) than the 200D. It is noteworthy in this context that the A7 III is splash and dust-proof, while the 200D 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 find an overview of optics for the two cameras in the Canon EF Lens Catalog (200D) and the Sony FE Lens Catalog (A7 III). Mirrorless cameras, such as the A7 III, have moreover the advantage that they can use many lenses from other systems via adapters, as they have a relatively short flange to focal plane distance.

Concerning battery life, the 200D gets 650 shots out of its LP-E17 battery, while the A7 III can take 610 images on a single charge of its NP-FZ100 power pack.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. 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 200D» 4.8 in 3.7 in 2.8 in 16.0 oz 650 n Jun 2017 549 i i Canon 200D
Sony A7 III« 5.0 in 3.8 in 2.9 in 22.9 oz 610 Y Feb 2018 1,999 i i Sony A7 III
Canon 2000D« » 5.1 in 4.0 in 3.1 in 16.8 oz 500 n Feb 2018 449 i i Canon 2000D
Canon 77D« » 5.2 in 3.9 in 3.0 in 19.0 oz 600 n Feb 2017 899 i i Canon 77D
Canon 800D« » 5.2 in 3.9 in 3.0 in 18.8 oz 600 n Feb 2017 749 i i Canon 800D
Canon G9 X Mark II« » 3.9 in 2.3 in 1.2 in 7.3 oz 235 n Jan 2017 529 i i Canon G9 X Mark II
Canon M6« » 4.4 in 2.7 in 1.8 in 13.8 oz 295 n Feb 2017 779 i i Canon M6
Canon M100« » 4.3 in 2.6 in 1.4 in 10.7 oz 295 n Aug 2017 499 i i Canon M100
Canon M5« » 4.6 in 3.5 in 2.4 in 15.1 oz 295 n Sep 2016 979 i i Canon M5
Canon 100D« » 4.6 in 3.6 in 2.7 in 14.4 oz 380 n Mar 2013 549- i Canon 100D
Nikon D5600« » 4.9 in 3.8 in 2.8 in 16.4 oz 970 n Nov 2016 699 i i Nikon D5600
Nikon D3400« » 4.9 in 3.9 in 3.0 in 15.7 oz 1200 n Aug 2016 499- i Nikon D3400
Sony A7R III« » 5.0 in 3.8 in 2.9 in 22.9 oz 650 Y Oct 2017 3,199 i i Sony A7R III
Sony A9« » 5.0 in 3.8 in 2.5 in 23.7 oz 650 Y Apr 2017 4,499 i i Sony A9
Sony A7S II« » 5.0 in 3.8 in 2.4 in 22.1 oz 370 Y Sep 2015 2,999 i i Sony A7S II
Sony A7 II« » 5.0 in 3.8 in 2.4 in 21.1 oz 350 Y Nov 2014 1,999- i Sony A7 II
Sony A7« » 5.0 in 3.7 in 1.9 in 16.7 oz 340 Y Oct 2013 1,699- i Sony A7

The camera’s price is obviously a critical decision-making factor. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The 200D was launched at a markedly lower price (by 73 percent) than the A7 III, 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: Canon 200D vs Sony A7 III

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. 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 tend to be more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Canon 200D features an APS-C sensor and the Sony A7 III a full frame sensor. The sensor area in the A7 III is 155 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 200D and Sony A7 III sensor measures

Even though the A7 III has a larger sensor, both cameras offer the same resolution of 24 megapixel. This implies that the A7 III has a lower pixel density and larger individual pixels (with a pixel pitch of 5.94μm versus 3.72μm for the 200D), which gives it a potential advantage in terms of light gathering capacity. In addition, the A7 III is a somewhat more recent model (by 7 months) than the 200D, and its sensor might have benefitted from technological advances during this time. Coming back to sensor resolution, it should be mentioned that the A7 III has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

200D versus A7 III MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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 consideration, the A7 III offers substantially better image quality than the 200D (overall score 17 points higher). The advantage is based on 1.4 bits higher color depth, 1.3 EV in additional dynamic range, and 1.8 stops in additional low light sensitivity. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-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 200D» APS-C 24.0 6000 40001080/60p23.613.4104179Canon 200D
Sony A7 III« Full Frame 24.0 6000 40004K/30p25.014.7373096Sony A7 III
Canon 2000D« » APS-C 24.0 6000 40001080/30p22.611.9100971Canon 2000D
Canon 77D« » APS-C 24.0 6000 40001080/60p23.613.397178Canon 77D
Canon 800D« » APS-C 24.0 6000 40001080/60p----Canon 800D
Canon G9 X Mark II« » 1-inch 20.0 5472 36481080/60p21.912.552265Canon G9 X Mark II
Canon M6« » APS-C 24.0 6000 40001080/60p----Canon M6
Canon M100« » APS-C 24.0 6000 40001080/60p23.512.9127278Canon M100
Canon M5« » APS-C 24.0 6000 40001080/60p23.412.4126277Canon M5
Canon 100D« » APS-C 17.9 5184 34561080/30p21.811.384363Canon 100D
Nikon D5600« » APS-C 24.0 6000 40001080/60p24.114.0130684Nikon D5600
Nikon D3400« » APS-C 24.0 6000 40001080/60p24.813.9119286Nikon D3400
Sony A7R III« » Full Frame 42.2 7952 53044K/30p26.014.73523100Sony A7R III
Sony A9« » Full Frame 24.0 6000 40004K/30p24.913.3351792Sony A9
Sony A7S II« » Full Frame 12.0 4240 28324K/30p23.613.3299385Sony A7S II
Sony A7 II« » Full Frame 24.0 6000 40001080/60p24.913.6244990Sony A7 II
Sony A7« » Full Frame 24.0 6000 40001080/60p24.814.2224890Sony A7

Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the A7 III provides a better video resolution than the 200D. It can shoot movie footage at 4K/30p, while the Canon is limited to 1080/60p.

 

Feature comparison: Canon 200D vs Sony A7 III

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the A7 III has an electronic viewfinder (2359k dots), while the 200D 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 following table reports on some other key feature differences and similarities of the Canon 200D, the Sony A7 III, and comparable cameras. The full specs-sheets can be found in the camera manual or in the dpreview camera hub.

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)
Build-in
Flash
(yes/no)
Build-in
Image
Stab
Camera
Model
Canon 200D»optical n 3.0 1040 swivel Y 4000 5.0 Y n Canon 200D
Sony A7 III«2359 n 3.0 922 tilting Y 8000 10.0 n Y Sony A7 III
Canon 2000D« »optical n 3.0 920 fixed n 4000 3.0 Y n Canon 2000D
Canon 77D« »optical Y 3.0 1040 swivel Y 4000 6.0 Y n Canon 77D
Canon 800D« »optical n 3.0 1040 swivel Y 4000 6.0 Y n Canon 800D
Canon G9 X Mark II« »- n 3.0 1040 fixed Y 2000 8.2 Y Y Canon G9 X Mark II
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 M5« »2360 n 3.2 1620 tilting Y 4000 9.0 Y n Canon M5
Canon 100D« »optical n 3.0 1040 fixed Y 4000 4.9 Y n Canon 100D
Nikon D5600« »optical n 3.2 1037 swivel Y 4000 5.0 Y n Nikon D5600
Nikon D3400« »optical n 3.0 921 fixed n 4000 5.0 Y n Nikon D3400
Sony A7R III« »3686 n 3.0 1440 tilting Y 8000 10.0 n Y Sony A7R III
Sony A9« »3686 n 3.0 1440 tilting Y 8000 20.0 n Y Sony A9
Sony A7S II« »2400 n 3.0 1229 tilting n 8000 5.0 n Y Sony A7S II
Sony A7 II« »2400 n 3.0 1230 tilting n 8000 5.0 n Y Sony A7 II
Sony A7« »2400 n 3.0 1230 tilting n 8000 5.0 n n Sony A7

One difference between the cameras concerns the presence of an on-board flash. The 200D has one, while the A7 III does not. While the build-in flash of the 200D is not very powerful, it can at times be useful as a fill-in light.

The reported shutter speed and shutter burst refer to the use of the mechanical shutter. In addition, the A7 III features an electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (rolling shutter) or shooting under artificial light sources (flickering).

The 200D writes its imaging data to SDXC cards, while the A7 III uses SDXC or Memory Stick PRO Duo cards.

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 200D»YstereomonoY-mini2.0YYYCanon 200D
Sony A7 III«YstereomonoYYmicro3.1YYYSony A7 III
Canon 2000D« »Ymonomono--mini2.0YY-Canon 2000D
Canon 77D« »YstereomonoY-mini2.0YYYCanon 77D
Canon 800D« »YstereomonoY-mini2.0YYYCanon 800D
Canon G9 X Mark II« »-stereomono--micro2.0YYYCanon G9 X Mark II
Canon M6« »YstereomonoY-mini2.0YYYCanon M6
Canon M100« »-stereomono--mini2.0YYYCanon M100
Canon M5« »YstereomonoY-mini2.0YYYCanon M5
Canon 100D« »YmonomonoY-mini2.0---Canon 100D
Nikon D5600« »YstereomonoY-mini2.0YYYNikon D5600
Nikon D3400« »Ymonomono--mini2.0Y-YNikon D3400
Sony A7R III« »YstereomonoYYmicro3.1YYYSony A7R III
Sony A9« »YstereomonoYYmicro2.0YYYSony A9
Sony A7S II« »YstereomonoYYmicro2.0YY-Sony A7S II
Sony A7 II« »YstereomonoYYmicro2.0YY-Sony A7 II
Sony A7« »YstereomonoYYmicro2.0YY-Sony A7

Both the 200D and the A7 III are current models that good online retailers will have in stock. You can check the latest prices, for example, at amazon. The 200D replaced the earlier Canon 100D, while the A7 III followed on from the Sony A7 II.

Review summary: Canon 200D vs Sony A7 III

So what conclusions can be drawn? Is there a clear favorite between the Canon 200D and the Sony A7 III? Below is a summary of the relative strengths of each of the two contestants.

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Arguments in favor of the Canon EOS 200D:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 922k dots).
  • More flexible LCD: Has swivel screen for odd-angle shots in portrait or landscape orientation.
  • Less heavy: Is lighter (by 197g or 30 percent) and hence easier to carry around.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced into a lower priced category (73 percent cheaper at launch).
  • More heavily discounted: Has been on the market for longer (launched in June 2017).

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Advantages of the Sony Alpha A7 III:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Scores substantially higher (17 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (1.4 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (1.3 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (1.8 stops ISO advantage).
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60p).
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Faster shutter: Has higher mechanical shutter speed (8000/sec vs 4000/sec) to freeze action.
  • Faster burst: Shoots at higher frequency (10 vs 5 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Sharper images: Has stabilization technology build-in to reduce the impact of hand-shake.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
  • More modern: Was introduced somewhat (7 months) more recently.

If the number of relative strengths (bullet points above) is taken as a guide, the A7 III is the clear winner of the contest (16 : 8 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision.

200D 08:16 A7 III

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it says nothing about, for example, the handling, responsiveness, and overall imaging quality of the 200D and the A7 III in practical situations. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased. This is where reviews by experts come in. The following table reports the overall rankings of the cameras as published by some of the major camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog). The full reviews are available 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 200D»HiRec78/1004.5/54.5/54.5/5 Jun 2017 549 i i Canon 200D
Sony A7 III«HiRec89/1005/55/55/5 Feb 2018 1,999 i i Sony A7 III
Canon 2000D« »rev-3.5/5-3.5/5 Feb 2018 449 i i Canon 2000D
Canon 77D« »-82/1004.5/54.5/54/5 Feb 2017 899 i i Canon 77D
Canon 800D« »-80/1004.5/54/54/5 Feb 2017 749 i i Canon 800D
Canon G9 X Mark II« »-75/1004.5/54.5/54.5/5 Jan 2017 529 i i Canon G9 X Mark II
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 M5« »Rec82/1004/54.5/54/5 Sep 2016 979 i i Canon M5
Canon 100D« »Rec78/1004/54/54/5 Mar 2013 549- i Canon 100D
Nikon D5600« »-79/1004.5/54.5/54/5 Nov 2016 699 i i Nikon D5600
Nikon D3400« »Rec76/1004/54.5/54.5/5 Aug 2016 499- i Nikon D3400
Sony A7R III« »HiRec90/1004.5/55/55/5 Oct 2017 3,199 i i Sony A7R III
Sony A9« »HiRec89/1005/55/55/5 Apr 2017 4,499 i i Sony A9
Sony A7S II« »Rec-4.5/55/55/5 Sep 2015 2,999 i i Sony A7S II
Sony A7 II« »Rec82/1004.5/55/55/5 Nov 2014 1,999- i Sony A7 II
Sony A7« »HiRec80/1005/54.5/55/5 Oct 2013 1,699- i Sony A7

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

 

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 make a corresponding selection in the search boxes below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting. If you cannot find the camera you are interested in, kindly get in touch, and I will try to add information on that model to the database.

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