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Sony A7S vs Canon R

The Sony Alpha A7S and the Canon EOS R are two digital cameras that were announced, respectively, in April 2014 and September 2018. Both the A7S and the Canon R are mirrorless interchangeable lens cameras that are equipped with a full frame sensor. The Sony has a resolution of 12 megapixels, whereas the Canon provides 30.1 MP.

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

Headline Specifications
Sony A7S
versus
Canon R
Sony A7S   Canon R
Mirrorless system camera Mirrorless system camera
Sony E mount lenses Canon RF mount lenses
12 MP – Full Frame sensor 30.1 MP – Full Frame sensor
1080/60p Video 4K/30p Video
ISO 100-102,400 (50 - 409,600) ISO 100-40,000 (50 - 102,400)
Electronic viewfinder (2400k dots) Electronic viewfinder (3690k dots)
3.0" LCD – 921k dots 3.2" LCD – 2100k dots
Tilting screen (no touchscreen) Swivel touchscreen
5 shutter flaps per second 8 shutter flaps per second
Weathersealed bodyWeathersealed body
380 shots per battery charge370 shots per battery charge
127 x 94 x 48 mm, 489 g 139 x 98 x 84 mm, 660 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Sony Alpha A7S and the Canon EOS R? 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 physical size and weight of the Sony A7S and the Canon R 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 Sony A7S vs Canon R
Compare A7S versus Canon R top
Comparison A7S or Canon R rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon R is notably larger (14 percent) than the Sony A7S. Moreover, the Canon R is substantially heavier (35 percent) than the A7S. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments.

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. Hence, you might want to study and compare the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.

Concerning battery life, the A7S gets 380 shots out of its Sony NP-FW50 battery, while the Canon R can take 370 images on a single charge of its Canon LP-E6N power pack. The battery packs of both cameras can be charged via USB, which can be very convenient when travelling.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. If you want to switch the focus of the display and review another camera pair, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

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Body Specifications
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Sony A7S 127 mm 94 mm 48 mm 489 g 380 Y Apr 2014 2,499ebay.com
2.
 
Canon R 139 mm 98 mm 84 mm 660 g 370 Y Sep 2018 2,299ebay.com
3.
 
Canon R6 138 mm 98 mm 88 mm 680 g 360 Y Jul 2020 2,499 amazon.com
4.
 
Canon 6D Mark II 144 mm 111 mm 75 mm 765 g 1200 Y Jun 2017 1,999 amazon.com
5.
 
Canon 6D 145 mm 111 mm 71 mm 770 g 1090 Y Sep 2012 2,099ebay.com
6.
 
Leica M10 139 mm 80 mm 39 mm 660 g 210 Y Jan 2017 6,595ebay.com
7.
 
Nikon D750 141 mm 113 mm 78 mm 750 g 1230 Y Sep 2014 2,299ebay.com
8.
 
Nikon Df 144 mm 110 mm 67 mm 760 g 1400 Y Nov 2013 2,749ebay.com
9.
 
Sony ZV-E1 121 mm 72 mm 54 mm 483 g 570 Y Mar 2023 2,199 amazon.com
10.
 
Sony A7R II 127 mm 96 mm 60 mm 625 g 290 Y Jun 2015 3,199ebay.com
11.
 
Sony A7S II 127 mm 96 mm 60 mm 627 g 370 Y Sep 2015 2,999ebay.com
12.
 
Sony RX1R II 113 mm 65 mm 72 mm 507 g 220 n Oct 2015 3,299ebay.com
13.
 
Sony A7 II 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 1,999ebay.com
14.
 
Sony A7 127 mm 94 mm 48 mm 474 g 340 Y Oct 2013 1,699ebay.com
15.
 
Sony A7R 127 mm 94 mm 48 mm 465 g 340 Y Oct 2013 2,299ebay.com
16.
 
Sony RX1R 113 mm 65 mm 70 mm 482 g 270 n Jun 2013 2,799ebay.com
17.
 
Sony RX1 113 mm 65 mm 70 mm 482 g 270 n Sep 2012 2,799ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
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Any camera decision will naturally be influenced heavily by the price. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The Canon R was somewhat cheaper (by 8 percent) than the A7S at launch, but both cameras fall into the same price category. 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 imaging sensor is at the core of digital cameras and its size is one of the main determining factors 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. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the background. On the downside, larger sensors are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Both cameras under consideration feature a full frame sensor, but their sensors differ slightly in size. The sensor area in the Canon R is 1 percent bigger. They nevertheless have the same format factor of 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Sony A7S and Canon R sensor measures

With 30.1MP, the Canon R offers a higher resolution than the A7S (12MP), but the Canon R has smaller individual pixels (pixel pitch of 5.36μm versus 8.45μm for the A7S). Yet, the Canon R is a much more recent model (by 4 years and 5 months) than the A7S, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units.

The resolution advantage of the Canon R implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the Canon R for good quality output (200 dots per inch) amounts to 33.6 x 22.4 inches or 85.3 x 56.9 cm, for very good quality (250 dpi) 26.9 x 17.9 inches or 68.3 x 45.5 cm, and for excellent quality (300 dpi) 22.4 x 14.9 inches or 56.9 x 37.9 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 Canon R has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Sony Alpha A7S has a native sensitivity range from ISO 100 to ISO 102400, which can be extended to ISO 50-409600. The corresponding ISO settings for the Canon EOS R are ISO 100 to ISO 40000, with the possibility to increase the ISO range to 50-102400.

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.

A7S versus Canon R MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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 Overall DXO ratings for the two cameras under consideration are close, suggesting that they provide similar imaging performance. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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Sensor Characteristics
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Sony A7S Full Frame 12.0 4240 28321080/60p23.913.2370287
2.
 
Canon R Full Frame 30.1 6720 44804K/30p24.513.5274289
3.
 
Canon R6 Full Frame 20.0 5472 36484k/60p24.214.3339490
4.
 
Canon 6D Mark II Full Frame 26.0 6240 41601080/60p24.411.9286285
5.
 
Canon 6D Full Frame 20.0 5472 36481080/30p23.812.1234082
6.
 
Leica M10 Full Frame 23.8 5952 3992none24.413.2213386
7.
 
Nikon D750 Full Frame 24.2 6016 40161080/60p24.814.5295693
8.
 
Nikon Df Full Frame 16.2 4928 3280none24.613.1327989
9.
 
Sony ZV-E1 Full Frame 12.0 4240 28324K/60p25.414.6318196
10.
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498
11.
 
Sony A7S II Full Frame 12.0 4240 28324K/30p23.613.3299385
12.
 
Sony RX1R II Full Frame 42.2 7952 53041080/60p25.813.9320497
13.
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990
14.
 
Sony A7 Full Frame 24.0 6000 40001080/60p24.814.2224890
15.
 
Sony A7R Full Frame 36.2 7360 49121080/60p25.614.1274695
16.
 
Sony RX1R Full Frame 24.0 6000 40001080/60p25.013.6253791
17.
 
Sony RX1 Full Frame 24.0 6000 40001080/60p25.114.3253493
Note: DXO values in italics represent estimates based on sensor size and age.
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Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the Canon R provides a better video resolution than the A7S. It can shoot movie footage at 4K/30p, 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. The two cameras under review are similar with respect to both having an electronic viewfinder. However, the one in the Canon R offers a substantially higher resolution than the one in the A7S (3690k vs 2400k dots). The adjacent table lists some of the other core features of the Sony A7S and Canon R along with similar information for a selection of comparators.

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Core Features
# image 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.
 
Sony A7S2400 n3.0 / 921 tilting n 1/8000s 5.0/s n n
2.
 
Canon R3690 Y3.2 / 2100 swivel Y 1/8000s 8.0/s n n
3.
 
Canon R63690 n3.0 / 1620 swivel Y 1/8000s 12.0/s n Y
4.
 
Canon 6D Mark IIoptical Y3.0 / 1040 swivel Y 1/4000s 6.5/s n n
5.
 
Canon 6Doptical Y3.0 / 1040 fixed n 1/4000s 4.5/s n n
6.
 
Leica M10optical n3.0 / 1037 fixed n 1/4000s 5.0/s n n
7.
 
Nikon D750optical Y3.2 / 1229 tilting n 1/4000s 6.0/s Y n
8.
 
Nikon Dfoptical Y3.2 / 921 fixed n 1/4000s 5.5/s n n
9.
 
Sony ZV-E1none n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
10.
 
Sony A7R II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
11.
 
Sony A7S II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
12.
 
Sony RX1R II2360 n3.0 / 1229 tilting n 1/4000s 5.0/s n n
13.
 
Sony A7 II2400 n3.0 / 1230 tilting n 1/8000s 5.0/s n Y
14.
 
Sony A72400 n3.0 / 1230 tilting n 1/8000s 5.0/s n n
15.
 
Sony A7R2400 n3.0 / 1230 tilting n 1/8000s 4.0/s n n
16.
 
Sony RX1Roptional n3.0 / 1229 fixed n 1/4000s 5.0/s Y n
17.
 
Sony RX1optional n3.0 / 1229 fixed n 1/4000s 5.0/s Y n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
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One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The Canon R has a touchscreen, while the A7S has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The Canon R has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking 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, both cameras under consideration feature an 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 A7S writes its imaging data to SDXC or Memory Stick PRO Duo cards, while the Canon R uses SDXC cards. The Canon R supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the A7S can use UHS-I cards (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 Sony Alpha A7S and Canon EOS R and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
# image Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Sony A7SYstereo / monoYYmicro2.0YY-
2.
 
Canon RYstereo / monoYYmini3.1Y-Y
3.
 
Canon R6Ymono / monoYYmicro3.2Y-Y
4.
 
Canon 6D Mark IIYstereo / monoY-mini2.0YYY
5.
 
Canon 6DYmono / monoY-mini2.0Y--
6.
 
Leica M10Y- / -----Y--
7.
 
Nikon D750Ystereo / monoYYmini2.0Y--
8.
 
Nikon DfY- / ---mini2.0---
9.
 
Sony ZV-E1Ystereo / monoYYmicro3.2Y-Y
10.
 
Sony A7R IIYstereo / monoYYmicro2.0YY-
11.
 
Sony A7S IIYstereo / monoYYmicro2.0YY-
12.
 
Sony RX1R IIYstereo / monoY-micro2.0YY-
13.
 
Sony A7 IIYstereo / monoYYmicro2.0YY-
14.
 
Sony A7Ystereo / monoYYmicro2.0YY-
15.
 
Sony A7RYstereo / monoYYmicro2.0YY-
16.
 
Sony RX1RYstereo / monoY-mini2.0---
17.
 
Sony RX1Ystereo / monoY-mini2.0---
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Both the A7S and the Canon R have been discontinued, but can regularly be found used on ebay. The A7S was replaced by the Sony A7S II, while the Canon R does not have a direct successor. Further information on the features and operation of the A7S and Canon R can be found, respectively, in the Sony A7S Manual (free pdf) or the online Canon R Manual.

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Review summary

So what is the bottom line? Is the Sony A7S better than the Canon R or vice versa? The listing below highlights the relative strengths of the two models.

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Advantages of the Sony Alpha A7S:

  • Better low-light sensitivity: Requires less light for good images (0.4 stops ISO advantage).
  • More compact: Is smaller (127x94mm vs 139x98mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 171g or 26 percent) and hence easier to carry around.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More heavily discounted: Has been available for much longer (launched in April 2014).

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Arguments in favor of the Canon EOS R:

  • More detail: Has more megapixels (30.1 vs 12MP), which boosts linear resolution by 58%.
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60p).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • More detailed viewfinder: Has higher resolution electronic viewfinder (3690k vs 2400k dots).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.76x vs 0.71x).
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (2100k vs 921k dots).
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (8 vs 5 flaps/sec) to capture the decisive moment.
  • Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More modern: Reflects 4 years and 5 months of technical progress since the A7S launch.

If the count of relative strengths (bullet points above) is taken as a measure, the Canon R is the clear winner of the contest (16 : 5 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.

A7S 05:16 Canon R

How about other alternatives? Do the specifications of the Sony A7S and the Canon R place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera listing whether the two cameras rank among the cream of the crop.

In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the A7S or the Canon R. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.

Expert reviews

This is why hands-on reviews by experts are important. The following table reports the overall ratings of the cameras as published by some of the major camera 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
# image  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Sony A7S4/5....86/1004.5/55/5 Apr 2014 2,499ebay.com
2.
 
Canon R4/5o4/579/1004.5/54/5 Sep 2018 2,299ebay.com
3.
 
Canon R65/5+ +4/590/1004.5/55/5 Jul 2020 2,499 amazon.com
4.
 
Canon 6D Mark II4/5+4/580/1004.5/54/5 Jun 2017 1,999 amazon.com
5.
 
Canon 6D5/5+ +..83/1004.5/54.5/5 Sep 2012 2,099ebay.com
6.
 
Leica M104.5/5......4/54.5/5 Jan 2017 6,595ebay.com
7.
 
Nikon D7505/5+ +4/590/1004.5/54.5/5 Sep 2014 2,299ebay.com
8.
 
Nikon Df4/5....81/1004/54/5 Nov 2013 2,749ebay.com
9.
 
Sony ZV-E1..+4/5....4.5/5 Mar 2023 2,199 amazon.com
10.
 
Sony A7R II5/5+ +5/590/1005/55/5 Jun 2015 3,199ebay.com
11.
 
Sony A7S II5/5+....4.5/55/5 Sep 2015 2,999ebay.com
12.
 
Sony RX1R II5/5....82/100..4.5/5 Oct 2015 3,299ebay.com
13.
 
Sony A7 II5/5+4/582/1004.5/55/5 Nov 2014 1,999ebay.com
14.
 
Sony A75/5+ +..80/1005/55/5 Oct 2013 1,699ebay.com
15.
 
Sony A7R5/5+ +..82/1004.5/55/5 Oct 2013 2,299ebay.com
16.
 
Sony RX1R5/5......4/54.5/5 Jun 2013 2,799ebay.com
17.
 
Sony RX15/5....79/1004/54.5/5 Sep 2012 2,799ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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The review scores listed above should be treated with care, though. The assessments were made in relation to similar cameras of the same technological generation. Thus, a score needs to be put into the context of the launch date and the launch price 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.

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

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    Specifications: Sony A7S vs Canon R

    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 Sony A7S Canon R
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Sony E mount lenses Canon RF mount lenses
    Launch Date April 2014 September 2018
    Launch Price USD 2,499 USD 2,299
    Sensor Specs Sony A7S Canon R
    Sensor Technology CMOS CMOS
    Sensor Format Full Frame Sensor Full Frame Sensor
    Sensor Size 35.8 x 23.9 mm 36.0 x 24.0 mm
    Sensor Area 855.62 mm2 864 mm2
    Sensor Diagonal 43 mm 43.3 mm
    Crop Factor 1.0x 1.0x
    Sensor Resolution 12 Megapixels 30.1 Megapixels
    Image Resolution 4240 x 2832 pixels 6720 x 4480 pixels
    Pixel Pitch 8.45 μm 5.36 μm
    Pixel Density 1.40 MP/cm2 3.48 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/60p Video 4K/30p Video
    ISO Setting 100 - 102,400 ISO 100 - 40,000 ISO
    ISO Boost 50 - 409,600 ISO 50 - 102,400 ISO
    Image Processor BIONZ X DIGIC 8
    DXO Sensor Quality (score) 87 89
    DXO Color Depth (bits) 23.9 24.5
    DXO Dynamic Range (EV) 13.2 13.5
    DXO Low Light (ISO) 3702 2742
    Screen Specs Sony A7S Canon R
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.71x 0.76x
    Viewfinder Resolution 2400k dots 3690k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.2inch
    LCD Resolution 921k dots 2100k dots
    LCD Attachment Tilting screen Swivel screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Sony A7S Canon R
    Focus System Contrast-detect AF On-Sensor Phase-detect
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/8000s
    Continuous Shooting 5 shutter flaps/s 8 shutter flaps/s
    Electronic ShutterYESYES
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium MS or SDXC cards SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    UHS card support UHS-I UHS-II
    Connectivity Specs Sony A7S Canon R
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 3.1
    HDMI Port micro HDMI mini HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication NFC built-in no NFC
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Sony A7S Canon R
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Sony NP-FW50 Canon LP-E6N
    Battery Life (CIPA)380 shots per charge370 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 127 x 94 x 48 mm
    (5.0 x 3.7 x 1.9 in)
    139 x 98 x 84 mm
    (5.5 x 3.9 x 3.3 in)
    Camera Weight 489 g (17.2 oz) 660 g (23.3 oz)
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