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Leica S3 vs Sony A7R

The Leica S3 and the Sony Alpha A7R are two digital cameras that were announced, respectively, in September 2018 and October 2013. The S3 is a DSLR, while the A7R is a mirrorless interchangeable lens camera. The cameras are based on a medium format (S3) and a full frame (A7R) sensor. The Leica has a resolution of 64 megapixels, whereas the Sony provides 36.2 MP.

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

Headline Specifications
Leica S3
versus
Sony A7R
Leica S3   Sony A7R
Digital single lens reflex Mirrorless system camera
Leica S mount lenses Sony E mount lenses
64 MP – Medium Format sensor 36.2 MP – Full Frame sensor
4K/24p Video 1080/60p Video
ISO 100-50,000 ISO 100-25,600 (50 - 51,200)
Optical viewfinder Electronic viewfinder (2400k dots)
3.0" LCD – 922k dots 3.0" LCD – 1230k dots
Fixed screen (not touch-sensitive) Tilting screen (no touchscreen)
3 shutter flaps per second 4 shutter flaps per second
Weathersealed bodyWeathersealed body
160 x 120 x 80 mm, 1260 g 127 x 94 x 48 mm, 465 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Leica S3 and the Sony Alpha A7R? 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 Leica S3 and the Sony A7R are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All size dimensions are rounded to the nearest millimeter.

Size Leica S3 vs Sony A7R
Compare S3 versus A7R top
Comparison S3 or A7R rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7R is considerably smaller (38 percent) than the Leica S3. Moreover, the A7R is substantially lighter (63 percent) than the S3. 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 S3 gets .. shots out of its Leica BP-PRO1 battery, while the A7R can take 340 images on a single charge of its Sony NP-FW50 power pack. The power pack in the A7R 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. 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.
 
Leica S3 160 mm 120 mm 80 mm 1260 g .. Y Sep 2018 US$ 18 999ebay.com
2.
 
Sony A7R 127 mm 94 mm 48 mm 465 g 340 Y Oct 2013 US$ 2 299ebay.com
3.
 
Leica M-E Typ 240 139 mm 80 mm 42 mm 680 g 500 Y Jun 2019 US$ 3 999ebay.com
4.
 
Leica M10 139 mm 80 mm 39 mm 660 g 210 Y Jan 2017 US$ 6 599ebay.com
5.
 
Leica M10-P 139 mm 80 mm 39 mm 660 g 210 Y Aug 2018 US$ 7 999ebay.com
6.
 
Leica Q2 130 mm 80 mm 92 mm 718 g 370 Y Mar 2019 US$ 4 999 amazon.com
7.
 
Leica S2 160 mm 120 mm 80 mm 1410 g .. Y Sep 2008 US$ 22 999ebay.com
8.
 
Leica S Typ 006 160 mm 120 mm 80 mm 1260 g .. Y Sep 2012 US$ 21 949ebay.com
9.
 
Leica S-E Typ 006 160 mm 120 mm 80 mm 1260 g .. Y Sep 2014 US$ 16 599ebay.com
10.
 
Leica S Typ 007 160 mm 120 mm 80 mm 1260 g .. Y Sep 2014 US$ 24 499ebay.com
11.
 
Nikon D6 160 mm 163 mm 92 mm 1270 g 3580 Y Feb 2020 US$ 6 499 amazon.com
12.
 
Sony A7 127 mm 94 mm 48 mm 474 g 340 Y Oct 2013 US$ 1 699ebay.com
13.
 
Sony A7 IV 131 mm 96 mm 80 mm 659 g 580 Y Oct 2021 US$ 2 499 amazon.com
14.
 
Sony A7C II 124 mm 71 mm 63 mm 514 g 540 Y Aug 2023 US$ 2 199 amazon.com
15.
 
Sony A7R II 127 mm 96 mm 60 mm 625 g 290 Y Jun 2015 US$ 3 199ebay.com
16.
 
Sony A7S 127 mm 94 mm 48 mm 489 g 380 Y Apr 2014 US$ 2 499ebay.com
17.
 
Sony RX10 IV 133 mm 94 mm 145 mm 1095 g 400 Y Sep 2017 US$ 1 699 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 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 A7R was launched at a markedly lower price (by 88 percent) than the S3, 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

Sensor comparison

The size of the imaging sensor is a crucial determinant of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units 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 tend to be more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Leica S3 features a medium format sensor and the Sony A7R a full frame sensor. The sensor area in the A7R is 36 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 0.8 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Leica S3 and Sony A7R sensor measures

With 64MP, the S3 offers a higher resolution than the A7R (36.2MP), but the S3 has smaller individual pixels (pixel pitch of 4.59μm versus 4.88μm for the A7R). However, the S3 is a much more recent model (by 4 years and 11 months) than the A7R, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixels. Coming back to sensor resolution, it should be mentioned that neither of the two cameras has an anti-alias filter installed, so they are able to capture all the detail the sensor resolves.

The resolution advantage of the Leica S3 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the S3 for good quality output (200 dots per inch) amounts to 49 x 32.7 inches or 124.5 x 83 cm, for very good quality (250 dpi) 39.2 x 26.1 inches or 99.6 x 66.4 cm, and for excellent quality (300 dpi) 32.7 x 21.8 inches or 83 x 55.3 cm. The corresponding values for the Sony A7R are 36.8 x 24.6 inches or 93.5 x 62.4 cm for good quality, 29.4 x 19.6 inches or 74.8 x 49.9 cm for very good quality, and 24.5 x 16.4 inches or 62.3 x 41.6 cm for excellent quality prints.

The Leica S3 has a native sensitivity range from ISO 100 to ISO 50000. The corresponding ISO settings for the Sony Alpha A7R are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 50-51200.

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.

S3 versus A7R MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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.
 
Leica S3 Medium Format 64.0 9800 65334K/24p25.614.4314398
2.
 
Sony A7R Full Frame 36.2 7360 49121080/60p25.614.1274695
3.
 
Leica M-E Typ 240 Full Frame 23.7 5952 39761080/25p25.214.2282194
4.
 
Leica M10 Full Frame 23.8 5952 3992none24.413.2213386
5.
 
Leica M10-P Full Frame 23.8 5952 3992none25.114.1273993
6.
 
Leica Q2 Full Frame 46.7 8368 55844K/30p26.413.5249196
7.
 
Leica S2 Medium Format 37.5 7500 5000none23.912.5222482
8.
 
Leica S Typ 006 Medium Format 37.5 7500 5000none23.912.282476
9.
 
Leica S-E Typ 006 Medium Format 37.5 7500 5000none25.113.7276393
10.
 
Leica S Typ 007 Medium Format 37.5 7500 50004K/24p25.113.7276393
11.
 
Nikon D6 Full Frame 20.7 5568 37124K/30p25.314.3288695
12.
 
Sony A7 Full Frame 24.0 6000 40001080/60p24.814.2224890
13.
 
Sony A7 IV Full Frame 32.7 7008 46724K/60p25.414.7337997
14.
 
Sony A7C II Full Frame 32.7 7008 46724K/60p25.414.7323796
15.
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498
16.
 
Sony A7S Full Frame 12.0 4240 28321080/60p23.913.2370287
17.
 
Sony RX10 IV 1-inch 20.0 5472 36484K/30p22.012.240863
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 can also record movies. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the S3 provides a higher video resolution than the A7R. It can shoot video footage at 4K/24p, while the Sony is limited to 1080/60p.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the A7R has an electronic viewfinder (2400k dots), while the S3 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 A7R offers a wider field of view (100%) than the one in the S3 (98%), so that a larger proportion of the captured image is visible in the finder. On the other hand, the viewfinder of the S3 has a higher magnification (0.87x vs 0.71x), 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 Leica S3 and Sony A7R 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.
 
Leica S3optical Y3.0 / 922 fixed n 1/4000s 3.0/s n n
2.
 
Sony A7R2400 n3.0 / 1230 tilting n 1/8000s 4.0/s n n
3.
 
Leica M-E Typ 240optical n3.0 / 920 fixed n 1/4000s 3.0/s n n
4.
 
Leica M10optical n3.0 / 1037 fixed n 1/4000s 5.0/s n n
5.
 
Leica M10-Poptical n3.0 / 1037 fixed Y 1/4000s 5.0/s n n
6.
 
Leica Q23680 n3.0 / 1040 fixed Y 1/2000s 10.0/s n Y
7.
 
Leica S2optical Y3.0 / 460 fixed n 1/4000s 1.5/s n n
8.
 
Leica S Typ 006optical Y3.0 / 922 fixed n 1/4000s 1.5/s n n
9.
 
Leica S-E Typ 006optical Y3.0 / 922 fixed n 1/4000s 1.5/s n n
10.
 
Leica S Typ 007optical Y3.0 / 922 fixed n 1/4000s 3.5/s n n
11.
 
Nikon D6optical Y3.2 / 2359 fixed Y 1/8000s 14.0/s n n
12.
 
Sony A72400 n3.0 / 1230 tilting n 1/8000s 5.0/s n n
13.
 
Sony A7 IV3686 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
14.
 
Sony A7C II2360 n3.0 / 1037 swivel Y 1/4000s 10.0/s n Y
15.
 
Sony A7R II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
16.
 
Sony A7S2400 n3.0 / 921 tilting n 1/8000s 5.0/s n n
17.
 
Sony RX10 IV2359 Y3.0 / 1440 tilting Y 1/2000s 24.0/s Y Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One feature that is present on the S3, but is missing on the A7R is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.

The S3 writes its imaging data to Compact Flash or SDXC cards, while the A7R uses SDXC or Memory Stick PRO Duo cards. The S3 features dual card slots, which can be very useful in case a memory card fails. In contrast, the A7R only has one slot. The S3 supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the A7R 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 Leica S3 and Sony Alpha A7R 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.
 
Leica S3Ystereo / monoYYmini3.0Y--
2.
 
Sony A7RYstereo / monoYYmicro2.0YY-
3.
 
Leica M-E Typ 240Ymono / ----2.0---
4.
 
Leica M10Y- / -----Y--
5.
 
Leica M10-PY- / -----Y--
6.
 
Leica Q2Ystereo / mono----Y-Y
7.
 
Leica S2Y- / ---mini2.0---
8.
 
Leica S Typ 006Y- / ---mini2.0---
9.
 
Leica S-E Typ 006Y- / ---mini2.0---
10.
 
Leica S Typ 007Ystereo / monoYYmini3.0Y--
11.
 
Nikon D6Ystereo / monoYYmini3.1Y-Y
12.
 
Sony A7Ystereo / monoYYmicro2.0YY-
13.
 
Sony A7 IVYstereo / monoYYfull3.2Y-Y
14.
 
Sony A7C IIYstereo / monoYYmicro3.2Y-Y
15.
 
Sony A7R IIYstereo / monoYYmicro2.0YY-
16.
 
Sony A7SYstereo / monoYYmicro2.0YY-
17.
 
Sony RX10 IVYstereo / monoYYmicro2.0YY-

Studio photographers will appreciate that the Leica S3 (unlike the A7R) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Travel and landscape photographers will find it useful that the S3 has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

Both the S3 and the A7R have been discontinued, but can regularly be found used on ebay. The A7R was replaced by the Sony A7R II, while the S3 does not have a direct successor. Further information on the features and operation of the S3 and A7R can be found, respectively, in the Leica S3 Manual (free pdf) or the online Sony A7R Manual.

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Review summary

So what is the bottom line? Is the Leica S3 better than the Sony A7R or vice versa? The listing below highlights the relative strengths of the two models.

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Arguments in favor of the Leica S3:

  • More detail: Offers more megapixels (64 vs 36.2MP) with a 33% higher linear resolution.
  • Better image quality: Features a larger and more technologically advanced imaging sensor.
  • Richer colors: The sensor size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger sensor captures a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger sensor produces good images even in poorly lit environments.
  • Better video: Provides higher definition movie capture (4K/24p vs 1080/60p).
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.87x vs 0.71x).
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • Easier geotagging: Features an internal GPS sensor to log localization data.
  • Faster data transfer: Supports a more advanced USB protocol (3.0 vs 2.0).
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • 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 prestigious: Has the Leica luxury appeal, which ensures a high resale price.
  • More modern: Reflects 4 years and 11 months of technical progress since the A7R launch.

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Advantages of the Sony Alpha A7R:

  • 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 98%).
  • More detailed LCD: Has a higher resolution rear screen (1230k vs 922k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (4 vs 3 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (127x94mm vs 160x120mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 795g or 63 percent) and is thus easier to take along.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • 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 affordable: Was introduced into a lower priced category (88 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in October 2013).

If the count of relative strengths (bullet points above) is taken as a measure, the S3 emerges as the winner of the contest (16 : 13 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

S3 16:13 A7R

How about other alternatives? Do the specifications of the Leica S3 and the Sony A7R 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 partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the S3 or the A7R. 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 expert reviews 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.
 
Leica S3............ Sep 2018 US$ 18 999ebay.com
2.
 
Sony A7R5/5+ +..82/1004.5/55/5 Oct 2013 US$ 2 299ebay.com
3.
 
Leica M-E Typ 240............ Jun 2019 US$ 3 999ebay.com
4.
 
Leica M104.5/5......4/54.5/5 Jan 2017 US$ 6 599ebay.com
5.
 
Leica M10-P....3/5....4/5 Aug 2018 US$ 7 999ebay.com
6.
 
Leica Q2....4.5/584/1004.5/54/5 Mar 2019 US$ 4 999 amazon.com
7.
 
Leica S2............ Sep 2008 US$ 22 999ebay.com
8.
 
Leica S Typ 006............ Sep 2012 US$ 21 949ebay.com
9.
 
Leica S-E Typ 006............ Sep 2014 US$ 16 599ebay.com
10.
 
Leica S Typ 0074/5.......... Sep 2014 US$ 24 499ebay.com
11.
 
Nikon D6....4/5..4.5/54.5/5 Feb 2020 US$ 6 499 amazon.com
12.
 
Sony A75/5+ +..80/1005/55/5 Oct 2013 US$ 1 699ebay.com
13.
 
Sony A7 IV5/5+ +4.5/589/1004.5/54.5/5 Oct 2021 US$ 2 499 amazon.com
14.
 
Sony A7C II4/5..4/587/1004.5/54.5/5 Aug 2023 US$ 2 199 amazon.com
15.
 
Sony A7R II5/5+ +5/590/1005/55/5 Jun 2015 US$ 3 199ebay.com
16.
 
Sony A7S4/5....86/1004.5/55/5 Apr 2014 US$ 2 499ebay.com
17.
 
Sony RX10 IV5/5+3.5/584/1004.5/55/5 Sep 2017 US$ 1 699 amazon.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. Thus, a score needs to be put into the context of the launch date and the launch price 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. 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? In case you are interested in seeing how other cameras pair up, just make a corresponding selection in the search boxes 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: Leica S3 vs Sony A7R

    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 Leica S3 Sony A7R
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Leica S mount lenses Sony E mount lenses
    Launch Date September 2018 October 2013
    Launch Price USD 18,999 USD 2,299
    Sensor Specs Leica S3 Sony A7R
    Sensor Technology CMOS CMOS
    Sensor Format Medium Format Sensor Full Frame Sensor
    Sensor Size 45.0 x 30.0 mm 35.9 x 24.0 mm
    Sensor Area 1350 mm2 861.6 mm2
    Sensor Diagonal 54.1 mm 43.2 mm
    Crop Factor 0.8x 1.0x
    Sensor Resolution 64 Megapixels 36.2 Megapixels
    Image Resolution 9800 x 6533 pixels 7360 x 4912 pixels
    Pixel Pitch 4.59 μm 4.88 μm
    Pixel Density 4.74 MP/cm2 4.20 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 4K/24p Video 1080/60p Video
    ISO Setting 100 - 50,000 ISO 100 - 25,600 ISO
    ISO Boost no Enhancement 50 - 51,200 ISO
    Image Processor Maestro II BIONZ X
    DXO Sensor Quality (score) .. 95
    DXO Color Depth (bits) .. 25.6
    DXO Dynamic Range (EV) .. 14.1
    DXO Low Light (ISO) .. 2746
    Screen Specs Leica S3 Sony A7R
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 98% 100%
    Viewfinder Magnification 0.87x 0.71x
    Viewfinder Resolution 2400k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 922k dots 1230k dots
    LCD Attachment Fixed screen Tilting screen
    Shooting Specs Leica S3 Sony A7R
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 3 shutter flaps/s 4 shutter flaps/s
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium CF or SDXC cards MS or SDXC cards
    Single or Dual Card Slots Dual card slots Single card slot
    UHS card support UHS-II UHS-I
    Connectivity Specs Leica S3 Sony A7R
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 3.0 USB 2.0
    HDMI Port mini HDMI micro 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 no NFC NFC built-in
    Geotagging GPS built-in no internal GPS
    Body Specs Leica S3 Sony A7R
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Leica BP-PRO1 Sony NP-FW50
    In-Camera Charging no USB charging USB charging
    Body Dimensions 160 x 120 x 80 mm
    (6.3 x 4.7 x 3.1 in)
    127 x 94 x 48 mm
    (5.0 x 3.7 x 1.9 in)
    Camera Weight 1260 g (44.4 oz) 465 g (16.4 oz)
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