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Canon 850D vs Sony A7S III

The Canon EOS 850D (called Canon T8i in some regions) and the Sony Alpha 7S III are two digital cameras that were revealed to the public, respectively, in February 2020 and July 2020. The 850D is a DSLR, while the A7S III is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (850D) and a full frame (A7S III) sensor. The Canon has a resolution of 24 megapixels, whereas the Sony provides 12 MP.

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

Headline Specifications
Canon 850D versus Sony A7S III
Canon 850D Sony A7S III
Digital single lens reflex Mirrorless system camera
Canon EF mount lenses Sony E mount lenses
24 MP, APS-C Sensor 12 MP, Full Frame Sensor
4K/24p Video 4K/120p Video
ISO 100-25,600 (100 - 51,200) ISO 80-102,400 (40 - 409,600)
Optical viewfinder Electronic viewfinder (9440k dots)
3.0 LCD, 1040k dots 3.0 LCD, 1440k dots
Swivel touchscreen Swivel touchscreen
7.5 shutter flaps per second 10 shutter flaps per second
Lens stabilization onlyIn-body stabilization
not weather sealedWeathersealed body
800 shots per battery charge600 shots per battery charge
131 x 103 x 76 mm, 515 g 127 x 97 x 81 mm, 699 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 850D and the Sony Alpha 7S III? 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 physical size and weight of the Canon 850D and the Sony A7S 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 size dimensions are rounded to the nearest millimeter.

Size Canon 850D vs Sony A7S III
Compare 850D versus A7S III top
Comparison 850D or A7S III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7S III is notably smaller (9 percent) than the Canon 850D. However, the A7S III is substantially heavier (36 percent) than the 850D. It is noteworthy in this context that the A7S III is splash and dust-proof, while the 850D 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 (850D) and the Sony FE Lens Catalog (A7S III). Mirrorless cameras, such as the A7S 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 850D gets 800 shots out of its LP-E17 battery, while the A7S III can take 600 images on a single charge of its NP-FZ100 power pack. The power pack in the A7S III can be charged via the USB port, which can be very convenient when travelling.

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, you can use the CAM-parator app to select your camera combination among a large number of options.

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Body Specifications
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon 850D 131 mm 103 mm 76 mm 515 g 800 n Feb 2020 749 i
2.
 
Sony A7S III 127 mm 97 mm 81 mm 699 g 600 Y Jul 2020 3,499 i
3.
 
Canon RP 133 mm 85 mm 70 mm 485 g 250 n Feb 2019 1,299 i
4.
 
Canon 250D 122 mm 93 mm 70 mm 449 g 1070 n Apr 2019 599 i
5.
 
Canon G5 X Mark II 111 mm 61 mm 46 mm 340 g 230 n Jul 2019 899 i
6.
 
Canon G7 X Mark III 105 mm 61 mm 41 mm 304 g 235 n Jul 2019 749 i
7.
 
Canon 2000D 129 mm 101 mm 78 mm 475 g 500 n Feb 2018 449 i
8.
 
Canon 77D 131 mm 100 mm 76 mm 540 g 600 n Feb 2017 899 i
9.
 
Canon 200D 122 mm 93 mm 70 mm 453 g 650 n Jun 2017 549i
10.
 
Canon 800D 131 mm 100 mm 76 mm 532 g 600 n Feb 2017 749i
11.
 
Canon 750D 132 mm 101 mm 78 mm 555 g 440 n Feb 2015 749i
12.
 
Canon 760D 132 mm 101 mm 78 mm 565 g 440 n Feb 2015 649i
13.
 
Sony A7R IV 129 mm 96 mm 78 mm 665 g 670 Y Jul 2019 3,499 i
14.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 3,199i
15.
 
Sony A9 127 mm 96 mm 63 mm 673 g 650 Y Apr 2017 4,499i
16.
 
Sony A7R II 127 mm 96 mm 60 mm 625 g 290 Y Jun 2015 3,199i
17.
 
Sony A7S II 127 mm 96 mm 60 mm 627 g 370 Y Sep 2015 2,999i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will obviously take relative prices into account. The retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The 850D was launched at a markedly lower price (by 79 percent) than the A7S 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.

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Sensor comparison

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. 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.

Of the two cameras under consideration, the Canon 850D features an APS-C sensor and the Sony A7S III a full frame sensor. The sensor area in the A7S 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 850D and Sony A7S III sensor measures

Despite having a smaller sensor, the Canon 850D offers a higher resolution of 24 megapixels, compared with 12 MP of the Sony A7S III. 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 8.40μm for the A7S III). Moreover, it should be noted that the A7S III is a somewhat more recent model (by 5 months) than the 850D, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units.

The resolution advantage of the Canon 850D implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 850D for good quality output (200 dots per inch) amounts to 30 x 20 inches or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inches or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inches or 50.8 x 33.9 cm. The corresponding values for the Sony A7S III are 21.2 x 14.2 inches or 53.8 x 36 cm for good quality, 17 x 11.3 inches or 43.1 x 28.8 cm for very good quality, and 14.1 x 9.4 inches or 35.9 x 24 cm for excellent quality prints.

The 850D has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Canon EOS 850D 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 Sony Alpha 7S III are ISO 80 to ISO 102400, with the possibility to increase the ISO range to 40-409600.

850D versus A7S 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. 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
1.
 
Canon 850D APS-C 24.0 6000 40004K/24p........
2.
 
Sony A7S III Full Frame 12.0 4240 28324K/120p23.713.9252086
3.
 
Canon RP Full Frame 26.2 6240 41604K/30p........
4.
 
Canon 250D APS-C 24.0 6000 40004K/25p........
5.
 
Canon G5 X Mark II 1-inch 20.0 5472 36484K/30p........
6.
 
Canon G7 X Mark III 1-inch 20.0 5472 36484K/30p........
7.
 
Canon 2000D APS-C 24.0 6000 40001080/30p22.611.9100971
8.
 
Canon 77D APS-C 24.0 6000 40001080/60p23.613.397178
9.
 
Canon 200D APS-C 24.0 6000 40001080/60p23.613.4104179
10.
 
Canon 800D APS-C 24.0 6000 40001080/60p........
11.
 
Canon 750D APS-C 24.0 6000 40001080/30p22.712.091971
12.
 
Canon 760D APS-C 24.0 6000 40001080/30p22.612.091570
13.
 
Sony A7R IV Full Frame 60.2 9504 63364K/30p26.014.8334499
14.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
15.
 
Sony A9 Full Frame 24.0 6000 40004K/30p24.913.3351792
16.
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498
17.
 
Sony A7S II Full Frame 12.0 4240 28324K/30p23.613.3299385

Many modern cameras cannot only take still pictures, but also record videos. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the A7S III provides a faster frame rate than the 850D. It can shoot movie footage at 4K/120p, while the Canon is limited to 4K/24p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the A7S III has an electronic viewfinder (9440k dots), while the 850D 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 viewfinder in the A7S III offers a wider field of view (100%) than the one in the 850D (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the A7S III has a higher magnification (0.91x vs 0.51x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The following table reports on some other key feature differences and similarities of the Canon 850D, the Sony A7S III, and comparable 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
1.
 
Canon 850Doptical n 3.0 1040 swivel Y 1/4000s 7.5 Y n
2.
 
Sony A7S III9440 n 3.0 1440 swivel Y 1/8000s 10.0 n Y
3.
 
Canon RP2360 n 3.0 1040 swivel Y 1/4000s 5.0 n n
4.
 
Canon 250Doptical n 3.0 1040 swivel Y 1/4000s 5.0 Y n
5.
 
Canon G5 X Mark II2360 n 3.0 1040 tilting Y 1/2000s 30 Y Y
6.
 
Canon G7 X Mark IIInone n 3.0 1040 tilting Y 1/2000s 30 Y Y
7.
 
Canon 2000Doptical n 3.0 920 fixed n 1/4000s 3.0 Y n
8.
 
Canon 77Doptical Y 3.0 1040 swivel Y 1/4000s 6.0 Y n
9.
 
Canon 200Doptical n 3.0 1040 swivel Y 1/4000s 5.0 Y n
10.
 
Canon 800Doptical n 3.0 1040 swivel Y 1/4000s 6.0 Y n
11.
 
Canon 750Doptical n 3.0 1040 swivel Y 1/4000s 5.0 Y n
12.
 
Canon 760Doptical Y 3.0 1040 swivel Y 1/4000s 5.0 Y n
13.
 
Sony A7R IV5760 n 3.0 1440 tilting Y 1/8000s 10.0 n Y
14.
 
Sony A7R III3686 n 3.0 1440 tilting Y 1/8000s 10.0 n Y
15.
 
Sony A93686 n 3.0 1440 tilting Y 1/8000s 20.0 n Y
16.
 
Sony A7R II2400 n 3.0 1229 tilting n 1/8000s 5.0 n Y
17.
 
Sony A7S II2400 n 3.0 1229 tilting n 1/8000s 5.0 n Y

One difference between the cameras concerns the presence of an on-board flash. The 850D has one, while the A7S III does not. While the built-in flash of the 850D is not very powerful, it can at times be useful as a fill-in light.

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 reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the A7S III is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).

The Canon 850D 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.

The 850D writes its imaging data to SDXC cards, while the A7S III uses CFexpress or SDXC cards. The A7S III features dual card slots, which can be very useful in case a memory card fails. In contrast, the 850D only has one slot. The A7S III supports UHS-II cards (on both slots), while the 850D can use UHS-I cards.

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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 850D and Sony Alpha 7S III 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
1.
 
Canon 850DYstereomonoY-mini2.0Y-Y
2.
 
Sony A7S IIIYstereomonoYYfull3.2Y-Y
3.
 
Canon RPYstereomonoYYmicro2.0Y-Y
4.
 
Canon 250DYstereomonoY-mini2.0Y-Y
5.
 
Canon G5 X Mark II-stereomono--micro3.1Y-Y
6.
 
Canon G7 X Mark III-stereomonoY-micro3.1Y-Y
7.
 
Canon 2000DYmonomono--mini2.0YY-
8.
 
Canon 77DYstereomonoY-mini2.0YYY
9.
 
Canon 200DYstereomonoY-mini2.0YYY
10.
 
Canon 800DYstereomonoY-mini2.0YYY
11.
 
Canon 750DYstereomonoY-mini2.0YY-
12.
 
Canon 760DYstereomonoY-mini2.0YY-
13.
 
Sony A7R IVYstereomonoYYmicro3.1YYY
14.
 
Sony A7R IIIYstereomonoYYmicro3.1YYY
15.
 
Sony A9YstereomonoYYmicro2.0YYY
16.
 
Sony A7R IIYstereomonoYYmicro2.0YY-
17.
 
Sony A7S IIYstereomonoYYmicro2.0YY-

It is notable that the A7S III has a headphone jack, which makes it possible to attach external headphones and monitor the quality of sound during the recording process. The 850D lacks such a headphone port.

Both the 850D and the A7S III are recent models that are part of the current product line-up. The 850D replaced the earlier Canon 800D, while the A7S III followed on from the Sony A7S II. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon and Sony websites.

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Review summary

So what conclusions can be drawn? Is there a clear favorite between the Canon 850D and the Sony A7S III? Which camera is better? 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 850D:

  • More detail: Offers more megapixels (24 vs 12MP) with a 41% higher linear resolution.
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Less heavy: Is lighter (by 184g or 26 percent) and hence easier to carry around.
  • Longer lasting: Can take more shots (800 versus 600) on a single battery charge.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced into a lower priced category (79 percent cheaper at launch).
  • More heavily discounted: Has been on the market for longer (launched in February 2020).

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Advantages of the Sony Alpha 7S III:

  • 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.
  • Better video: Provides higher movie framerates (4K/120p versus 4K/24p).
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • 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 (0.91x vs 0.51x).
  • More detailed LCD: Has a higher resolution rear screen (1440k vs 1040k dots).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (10 vs 7.5 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Sharper images: Has stabilization technology built-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 (3.2 vs 2.0).
  • More solid recording: Has a full-sized HDMI port for a sturdy connection to an external recorder.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More modern: Was introduced somewhat (5 months) more recently.

If the number of relative strengths (bullet points above) is taken as a guide, the A7S III is the clear winner of the contest (22 : 9 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. A professional sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

850D 09:22 A7S III

How about other alternatives? Do the specifications of the Canon 850D and the Sony A7S III place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Mirrorless Interchangeable Lens Camera listings 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 says little about, for example, the shooting experience and imaging performance of the 850D and the A7S 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.

Expert reviews

This is where reviews by experts come in. The following table reports the overall ratings of the cameras as published by some of the major camera review sites (amateurphotographer [AP], cameralabs [CL], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). 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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Expert Camera Reviews
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon 850D4/5+80/1004/53.5/5 Feb 2020 749 i
2.
 
Sony A7S III..+ +91/1004.5/55/5 Jul 2020 3,499 i
3.
 
Canon RP4/5+..4.5/54/5 Feb 2019 1,299 i
4.
 
Canon 250D..o79/1004/54/5 Apr 2019 599 i
5.
 
Canon G5 X Mark II4/5+82/100..4/5 Jul 2019 899 i
6.
 
Canon G7 X Mark III..+ +81/1004/5.. Jul 2019 749 i
7.
 
Canon 2000D..o..3.5/53.5/5 Feb 2018 449 i
8.
 
Canon 77D4.5/5..82/1004.5/54/5 Feb 2017 899 i
9.
 
Canon 200D4/5+ +78/1004.5/54.5/5 Jun 2017 549i
10.
 
Canon 800D4.5/5..80/1004.5/54/5 Feb 2017 749i
11.
 
Canon 750D5/5..75/1004.5/54.5/5 Feb 2015 749i
12.
 
Canon 760D5/5+77/1004.5/54.5/5 Feb 2015 649i
13.
 
Sony A7R IV5/5+91/1004.5/55/5 Jul 2019 3,499 i
14.
 
Sony A7R III..+ +90/1004.5/55/5 Oct 2017 3,199i
15.
 
Sony A95/5+ +89/1005/55/5 Apr 2017 4,499i
16.
 
Sony A7R II5/5+ +90/1005/55/5 Jun 2015 3,199i
17.
 
Sony A7S II5/5+..4.5/55/5 Sep 2015 2,999i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

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.

Canon 850D:
Check Amazon price
Sony A7S III:
Check Amazon price

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.

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    Specifications: Canon 850D vs Sony A7S III

    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 850D Sony A7S III
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Canon EF mount lenses Sony E mount lenses
    Launch Date February 2020 July 2020
    Launch Price USD 749 USD 3,499
    Sensor Specs Canon 850D Sony A7S III
    Sensor Technology CMOS BSI-CMOS
    Sensor Format APS-C Sensor Full Frame Sensor
    Sensor Size 22.3 x 14.9 mm 35.6 x 23.8 mm
    Sensor Area 332.27 mm2 847.28 mm2
    Sensor Diagonal 26.8 mm 42.8 mm
    Crop Factor 1.6x 1.0x
    Sensor Resolution 24 Megapixels 12 Megapixels
    Image Resolution 6000 x 4000 pixels 4240 x 2832 pixels
    Pixel Pitch 3.72 μm 8.40 μm
    Pixel Density 7.22 MP/cm2 1.42 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 4K/24p Video 4K/120p Video
    ISO Setting 100 - 25,600 ISO 80 - 102,400 ISO
    ISO Boost 100 - 51,200 ISO 40 - 409,600 ISO
    Image Processor DIGIC 8 BIONZ XR
    DXO Sensor Quality (score) .. 86
    DXO Color Depth (bits) .. 23.7
    DXO Dynamic Range (EV) .. 13.9
    DXO Low Light (ISO) .. 2520
    Screen Specs Canon 850D Sony A7S III
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 95% 100%
    Viewfinder Magnification 0.51x 0.91x
    Viewfinder Resolution 9440k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1040k dots 1440k dots
    LCD Attachment Swivel screen Swivel screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Canon 850D Sony A7S III
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 7.5 shutter flaps/s 10 shutter flaps/s
    Shutter Life Expectancy100 000 actuations200 000 actuations
    Electronic Shutterno E-ShutterYES
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Build-in Flash no On-Board Flash
    Storage Medium SDXC cards CFexpress or SDXC cards
    Second Storage Option Single card slot Dual card slots
    UHS card support UHS-I Dual UHS-II
    Connectivity Specs Canon 850D Sony A7S III
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 3.2
    HDMI Port mini HDMI full HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Bluetooth Support Bluetooth built-in Bluetooth built-in
    Body Specs Canon 850D Sony A7S III
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type LP-E17 NP-FZ100
    Battery Life (CIPA)800 shots per charge600 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 131 x 103 x 76 mm
    (5.2 x 4.1 x 3.0 in)
    127 x 97 x 81 mm
    (5.0 x 3.8 x 3.2 in)
    Camera Weight 515 g (18.2 oz) 699 g (24.7 oz)

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