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Canon 250D vs Sony A7S

The Canon EOS 250D (called Canon SL3 in some regions) and the Sony Alpha A7S are two digital cameras that were officially introduced, respectively, in April 2019 and April 2014. The 250D is a DSLR, while the A7S is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (250D) and a full frame (A7S) 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 250D
versus
Sony A7S
Canon 250D   Sony A7S
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/25p Video 1080/60p Video
ISO 100-25,600 (100 - 51,200) ISO 100-102,400 (50 - 409,600)
Optical viewfinder Electronic viewfinder (2400k dots)
3.0" LCD – 1040k dots 3.0" LCD – 921k dots
Swivel touchscreen Tilting screen (no touchscreen)
5 shutter flaps per second 5 shutter flaps per second
not weather sealedWeathersealed body
1070 shots per battery charge380 shots per battery charge
122 x 93 x 70 mm, 449 g 127 x 94 x 48 mm, 489 g
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Check 250D price at
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Check A7S offers at
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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 250D and the Sony Alpha A7S? 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.

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Body comparison

The side-by-side display below illustrates the physical size and weight of the Canon 250D and the Sony A7S. 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.

The 250D can be obtained in two different colors (black, white), while the A7S is only available in black.

Size Canon 250D vs Sony A7S
Compare 250D versus A7S top
Comparison 250D or A7S rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7S is notably larger (5 percent) than the Canon 250D. Moreover, the A7S is markedly heavier (9 percent) than the 250D. It is noteworthy in this context that the A7S is splash and dust-proof, while the 250D 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 (250D) and the Sony FE Lens Catalog (A7S). Mirrorless cameras, such as the A7S, 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 250D gets 1070 shots out of its Canon LP-E17 battery, while the A7S can take 380 images on a single charge of its Sony NP-FW50 power pack. The power pack in the A7S can be charged via the USB port, which can be very convenient when travelling.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.

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Body Specifications
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Canon 250D 122 mm 93 mm 70 mm 449 g 1070 n Apr 2019 EUR 549 amazon.com
2.
 
Sony A7S 127 mm 94 mm 48 mm 489 g 380 Y Apr 2014 EUR 2 399ebay.com
3.
 
Canon 77D 131 mm 100 mm 76 mm 540 g 600 n Feb 2017 EUR 899ebay.com
4.
 
Canon 200D 122 mm 93 mm 70 mm 453 g 650 n Jun 2017 EUR 599ebay.com
5.
 
Canon 760D 132 mm 101 mm 78 mm 565 g 440 n Feb 2015 EUR 749ebay.com
6.
 
Canon 800D 131 mm 100 mm 76 mm 532 g 600 n Feb 2017 EUR 849ebay.com
7.
 
Canon 850D 131 mm 103 mm 76 mm 515 g 800 n Feb 2020 EUR 899ebay.com
8.
 
Canon 2000D 129 mm 101 mm 78 mm 475 g 500 n Feb 2018 EUR 499 amazon.com
9.
 
Canon 4000D 129 mm 102 mm 77 mm 436 g 500 n Feb 2018 EUR 399 amazon.com
10.
 
Canon M50 116 mm 88 mm 59 mm 390 g 235 n Feb 2018 EUR 779ebay.com
11.
 
Canon M50 Mark II 116 mm 88 mm 59 mm 387 g 305 n Oct 2020 EUR 599ebay.com
12.
 
Fujifilm X-T100 121 mm 83 mm 47 mm 448 g 430 n May 2018 EUR 599ebay.com
13.
 
Sony A7 127 mm 94 mm 48 mm 474 g 340 Y Oct 2013 EUR 1 499ebay.com
14.
 
Sony A7R 127 mm 94 mm 48 mm 465 g 340 Y Oct 2013 EUR 2 099ebay.com
15.
 
Sony A7S II 127 mm 96 mm 60 mm 627 g 370 Y Sep 2015 EUR 3 399ebay.com
16.
 
Sony RX1R 113 mm 65 mm 70 mm 482 g 270 n Jun 2013 EUR 3 099ebay.com
17.
 
Sony ZV-E1 121 mm 72 mm 54 mm 483 g 570 Y Mar 2023 EUR 2 699 amazon.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

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 250D was launched at a markedly lower price (by 76 percent) than the A7S, 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.

Sensor comparison

The size of the imaging sensor is a crucial determinant 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 250D features an APS-C sensor and the Sony A7S a full frame sensor. The sensor area in the A7S is 158 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 250D and Sony A7S sensor measures

Despite having a smaller sensor, the Canon 250D offers a higher resolution of 24 megapixels, compared with 12 MP of the Sony A7S. 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 8.45μm for the A7S). However, it should be noted that the 250D is much more recent (by 5 years) than the A7S, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently.

The resolution advantage of the Canon 250D implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 250D 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 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 250D has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Canon EOS 250D 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 A7S are ISO 100 to ISO 102400, with the possibility to increase the ISO range to 50-409600.

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

250D versus A7S MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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 table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

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Sensor Characteristics
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Canon 250D APS-C 24.0 6000 40004K/25p23.913.4179182
2.
 
Sony A7S Full Frame 12.0 4240 28321080/60p23.913.2370287
3.
 
Canon 77D APS-C 24.0 6000 40001080/60p23.613.397178
4.
 
Canon 200D APS-C 24.0 6000 40001080/60p23.613.4104179
5.
 
Canon 760D APS-C 24.0 6000 40001080/30p22.612.091570
6.
 
Canon 800D APS-C 24.0 6000 40001080/60p23.713.1158680
7.
 
Canon 850D APS-C 24.0 6000 40004K/24p24.013.5187383
8.
 
Canon 2000D APS-C 24.0 6000 40001080/30p22.611.9100971
9.
 
Canon 4000D APS-C 17.9 5184 34561080/30p21.911.469563
10.
 
Canon M50 APS-C 24.0 6000 40004K/24p23.813.3168481
11.
 
Canon M50 Mark II APS-C 24.0 6000 40004K/24p24.013.6193983
12.
 
Fujifilm X-T100 APS-C 24.0 6000 40004K/15p24.013.4182983
13.
 
Sony A7 Full Frame 24.0 6000 40001080/60p24.814.2224890
14.
 
Sony A7R Full Frame 36.2 7360 49121080/60p25.614.1274695
15.
 
Sony A7S II Full Frame 12.0 4240 28324K/30p23.613.3299385
16.
 
Sony RX1R Full Frame 24.0 6000 40001080/60p25.013.6253791
17.
 
Sony ZV-E1 Full Frame 12.0 4240 28324K/60p25.414.6318196
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the 250D provides a higher video resolution than the A7S. It can shoot video footage at 4K/25p, while the Sony is limited to 1080/60p.

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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 has an electronic viewfinder (2400k dots), while the 250D 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 offers a wider field of view (100%) than the one in the 250D (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the A7S has a higher magnification (0.71x vs 0.54x), 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 250D and Sony A7S along with similar information for a selection of comparators.

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Core Features
  empty Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Canon 250Doptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
2.
 
Sony A7S2400 n3.0 / 921 tilting n 1/8000s 5.0/s n n
3.
 
Canon 77Doptical Y3.0 / 1040 swivel Y 1/4000s 6.0/s Y n
4.
 
Canon 200Doptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
5.
 
Canon 760Doptical Y3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
6.
 
Canon 800Doptical n3.0 / 1040 swivel Y 1/4000s 6.0/s Y n
7.
 
Canon 850Doptical n3.0 / 1040 swivel Y 1/4000s 7.5/s Y n
8.
 
Canon 2000Doptical n3.0 / 920 fixed n 1/4000s 3.0/s Y n
9.
 
Canon 4000Doptical n2.7 / 230 fixed n 1/4000s 3.0/s Y n
10.
 
Canon M502360 n3.0 / 1040 swivel Y 1/4000s 10.0/s Y n
11.
 
Canon M50 Mark II2360 n3.0 / 1040 swivel Y 1/4000s 10.0/s Y n
12.
 
Fujifilm X-T1002360 n3.0 / 1040 swivel Y 1/4000s 6.0/s Y n
13.
 
Sony A72400 n3.0 / 1230 tilting n 1/8000s 5.0/s n n
14.
 
Sony A7R2400 n3.0 / 1230 tilting n 1/8000s 4.0/s n n
15.
 
Sony A7S II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
16.
 
Sony RX1Roptional n3.0 / 1229 fixed n 1/4000s 5.0/s Y n
17.
 
Sony ZV-E1none n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One difference between the cameras concerns the presence of an on-board flash. The 250D has one, while the A7S does not. While the built-in flash of the 250D is not very powerful, it can at times be useful as a fill-in light.

The 250D has an articulated LCD that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in snapping selfies. In contrast, the A7S does not have a selfie-screen.

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 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 250D 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 250D writes its imaging data to SDXC cards, while the A7S uses SDXC or Memory Stick PRO Duo cards. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.

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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 250D and Sony Alpha A7S and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Canon 250DYstereo / monoY-mini2.0Y-Y
2.
 
Sony A7SYstereo / monoYYmicro2.0YY-
3.
 
Canon 77DYstereo / monoY-mini2.0YYY
4.
 
Canon 200DYstereo / monoY-mini2.0YYY
5.
 
Canon 760DYstereo / monoY-mini2.0YY-
6.
 
Canon 800DYstereo / monoY-mini2.0YYY
7.
 
Canon 850DYstereo / monoY-mini2.0Y-Y
8.
 
Canon 2000DYmono / mono--mini2.0YY-
9.
 
Canon 4000DYmono / mono--mini2.0YY-
10.
 
Canon M50Ystereo / monoY-micro2.0Y-Y
11.
 
Canon M50 Mark IIYstereo / monoY-micro2.0Y-Y
12.
 
Fujifilm X-T100Ystereo / monoY-micro2.0Y-Y
13.
 
Sony A7Ystereo / monoYYmicro2.0YY-
14.
 
Sony A7RYstereo / monoYYmicro2.0YY-
15.
 
Sony A7S IIYstereo / monoYYmicro2.0YY-
16.
 
Sony RX1RYstereo / monoY-mini2.0---
17.
 
Sony ZV-E1Ystereo / monoYYmicro3.2Y-Y

It is notable that the A7S has a headphone jack, which makes it possible to attach external headphones and monitor the quality of sound during the recording process. The 250D lacks such a headphone port.

The 250D is a recent model that features in the current product line-up of Canon. In contrast, the A7S has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the A7S was succeeded by the Sony A7S II. Further information on the features and operation of the 250D and A7S can be found, respectively, in the Canon 250D Manual (free pdf) or the online Sony A7S Manual.

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Review summary

So what conclusions can be drawn? Is there a clear favorite between the Canon 250D and the Sony A7S? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.

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Arguments in favor of the Canon EOS 250D:

  • More detail: Offers more megapixels (24 vs 12MP) with a 41% higher linear resolution.
  • Better video: Provides higher definition movie capture (4K/25p vs 1080/60p).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 921k dots).
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Longer lasting: Can take more shots (1070 versus 380) on a single battery charge.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • More affordable: Was introduced into a lower priced category (76 percent cheaper at launch).
  • More modern: Reflects 5 years of technical progress since the A7S launch.

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Advantages of the Sony Alpha A7S:

  • 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 (0.71x vs 0.54x).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • 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.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More heavily discounted: Has been around for much longer (launched in April 2014).

If the count of individual advantages (bullet points above) is taken as a guide, the 250D emerges as the winner of the contest (14 : 11 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 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.

250D 14:11 A7S

How about other alternatives? Do the specifications of the Canon 250D and the Sony A7S 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 technical specifications can provide a useful overview of the capabilities of different cameras, it remains incomplete and does no justice, for example, to the way the 250D or the A7S perform in practice. 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

This is why hands-on reviews by experts are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], 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
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Canon 250D4/5o4.5/579/1004/54/5 Apr 2019 EUR 549 amazon.com
2.
 
Sony A7S4/5....86/1004.5/55/5 Apr 2014 EUR 2 399ebay.com
3.
 
Canon 77D4.5/5..4/582/1004.5/54/5 Feb 2017 EUR 899ebay.com
4.
 
Canon 200D4/5+ +4/578/1004.5/54.5/5 Jun 2017 EUR 599ebay.com
5.
 
Canon 760D5/5+..77/1004.5/54.5/5 Feb 2015 EUR 749ebay.com
6.
 
Canon 800D4.5/5..3.5/580/1004.5/54/5 Feb 2017 EUR 849ebay.com
7.
 
Canon 850D4/5+3/580/1004/53.5/5 Feb 2020 EUR 899ebay.com
8.
 
Canon 2000D3/5o3.5/5..3.5/53.5/5 Feb 2018 EUR 499 amazon.com
9.
 
Canon 4000D2.5/5o3/5..3.5/53.5/5 Feb 2018 EUR 399 amazon.com
10.
 
Canon M50..+4/579/100..3.5/5 Feb 2018 EUR 779ebay.com
11.
 
Canon M50 Mark II4/5..4/5..4.5/53.5/5 Oct 2020 EUR 599ebay.com
12.
 
Fujifilm X-T1004/5+4.5/579/1004/54.5/5 May 2018 EUR 599ebay.com
13.
 
Sony A75/5+ +..80/1005/55/5 Oct 2013 EUR 1 499ebay.com
14.
 
Sony A7R5/5+ +..82/1004.5/55/5 Oct 2013 EUR 2 099ebay.com
15.
 
Sony A7S II5/5+....4.5/55/5 Sep 2015 EUR 3 399ebay.com
16.
 
Sony RX1R5/5......4/54.5/5 Jun 2013 EUR 3 099ebay.com
17.
 
Sony ZV-E1..+4/5....4.5/5 Mar 2023 EUR 2 699 amazon.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

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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 use the search menu below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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    Specifications: Canon 250D vs Sony A7S

    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 250D Sony A7S
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Canon EF mount lenses Sony E mount lenses
    Launch Date April 2019 April 2014
    Launch Price USD 599 USD 2,499
    Sensor Specs Canon 250D Sony A7S
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor Full Frame Sensor
    Sensor Size 22.3 x 14.9 mm 35.8 x 23.9 mm
    Sensor Area 332.27 mm2 855.62 mm2
    Sensor Diagonal 26.8 mm 43 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 8.45 μm
    Pixel Density 7.22 MP/cm2 1.40 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 4K/25p Video 1080/60p Video
    ISO Setting 100 - 25,600 ISO 100 - 102,400 ISO
    ISO Boost 100 - 51,200 ISO 50 - 409,600 ISO
    Image Processor DIGIC 8 BIONZ X
    DXO Sensor Quality (score) .. 87
    DXO Color Depth (bits) .. 23.9
    DXO Dynamic Range (EV) .. 13.2
    DXO Low Light (ISO) .. 3702
    Screen Specs Canon 250D Sony A7S
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 95% 100%
    Viewfinder Magnification 0.54x 0.71x
    Viewfinder Resolution 2400k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1040k dots 921k dots
    LCD Attachment Swivel screen Tilting screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Canon 250D Sony A7S
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 5 shutter flaps/s 5 shutter flaps/s
    Electronic Shutterno E-ShutterYES
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDXC cards MS or SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    UHS card support UHS-I UHS-I
    Connectivity Specs Canon 250D Sony A7S
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI micro HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Bluetooth Support Bluetooth built-in no Bluetooth
    Body Specs Canon 250D Sony A7S
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Canon LP-E17 Sony NP-FW50
    Battery Life (CIPA)1070 shots per charge380 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 122 x 93 x 70 mm
    (4.8 x 3.7 x 2.8 in)
    127 x 94 x 48 mm
    (5.0 x 3.7 x 1.9 in)
    Camera Weight 449 g (15.8 oz) 489 g (17.2 oz)
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