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Leica SL2-S vs Sony A7R III

The Leica SL2-S and the Sony Alpha A7R III are two enthusiast cameras that were officially introduced, respectively, in December 2020 and October 2017. Both the Leica SL2-S and the A7R III are mirrorless interchangeable lens cameras that are equipped with a full frame sensor. The Leica has a resolution of 24 megapixels, whereas the Sony provides 42.2 MP.

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

Headline Specifications
Leica SL2-S
versus
Sony A7R III
Leica SL2-S   Sony A7R III
Mirrorless system camera Mirrorless system camera
Leica L mount lenses Sony E mount lenses
24 MP – Full Frame sensor 42.2 MP – Full Frame sensor
4K/60p Video 4K/30p Video
ISO 100-50,000 (50 - 100,000) ISO 100-32,000 (50 - 102,400)
Electronic viewfinder (5760k dots) Electronic viewfinder (3686k dots)
3.2" LCD – 2100k dots 3.0" LCD – 1440k dots
Fixed touchscreen Tilting touchscreen
20 shutter flaps per second 10 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodyWeathersealed body
510 shots per battery charge650 shots per battery charge
146 x 107 x 83 mm, 931 g 127 x 96 x 74 mm, 650 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Leica SL2-S and the Sony Alpha A7R 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.

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Body comparison

An illustration of the physical size and weight of the Leica SL2-S and the Sony A7R III is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth dimensions are rounded to the nearest millimeter.

Size Leica SL2-S vs Sony A7R III
Compare Leica SL2-S versus A7R III top
Comparison Leica SL2-S or A7R III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7R III is notably smaller (22 percent) than the Leica SL2-S. Moreover, the A7R III is markedly lighter (30 percent) than the Leica SL2-S. 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 Leica SL2-S gets 510 shots out of its Leica BP-SCL4 battery, while the A7R III can take 650 images on a single charge of its Sony NP-FZ100 power pack. The battery packs of both cameras can be charged via USB, 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
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Leica SL2-S 146 mm 107 mm 83 mm 931 g 510 Y Dec 2020 4,895 amazon.com
2.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 3,199ebay.com
3.
 
Canon R3 150 mm 143 mm 87 mm 1015 g 760 Y Sep 2021 5,999 amazon.com
4.
 
Canon R6 138 mm 98 mm 88 mm 680 g 360 Y Jul 2020 2,499 amazon.com
5.
 
Leica SL2 146 mm 107 mm 42 mm 953 g 370 Y Nov 2019 5,999 amazon.com
6.
 
Leica SL 147 mm 104 mm 39 mm 847 g 400 Y Oct 2015 7,450ebay.com
7.
 
Panasonic S5 133 mm 98 mm 82 mm 714 g 440 Y Sep 2020 1,999 amazon.com
8.
 
Panasonic S1 149 mm 110 mm 97 mm 1017 g 400 Y Feb 2019 2,499 amazon.com
9.
 
Panasonic S1R 149 mm 110 mm 97 mm 1016 g 380 Y Feb 2019 3,699 amazon.com
10.
 
Panasonic S1H 151 mm 114 mm 110 mm 1052 g 400 Y May 2019 3,999 amazon.com
11.
 
Sony A7R IIIA 127 mm 96 mm 74 mm 650 g 650 Y Apr 2021 3,199 amazon.com
12.
 
Sony A7C 124 mm 71 mm 60 mm 509 g 740 Y Sep 2020 1,799 amazon.com
13.
 
Sony A9 II 129 mm 96 mm 76 mm 678 g 690 Y Oct 2019 4,499 amazon.com
14.
 
Sony A7R IV 129 mm 96 mm 78 mm 665 g 670 Y Jul 2019 3,499ebay.com
15.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 1,999 amazon.com
16.
 
Sony A9 127 mm 96 mm 63 mm 673 g 650 Y Apr 2017 4,499ebay.com
17.
 
Sony A7R II 127 mm 96 mm 60 mm 625 g 290 Y Jun 2015 3,199ebay.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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The price is, of course, an important factor in any camera decision. 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 III was launched at a markedly lower price (by 35 percent) than the Leica SL2-S, 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 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 associated with larger, more expensive camera bodies and lenses.

Both cameras under consideration feature a full frame sensor, but their sensors differ slightly in size. 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.

Leica SL2-S and Sony A7R III sensor measures

Despite having a slightly smaller sensor, the A7R III offers a higher resolution of 42.2 megapixels, compared with 24 MP of the Leica SL2-S. 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 4.52μm versus 6.00μm for the Leica SL2-S). Moreover, it should be noted that the Leica SL2-S is much more recent (by 3 years and 1 month) than the A7R III, and its sensor will have benefitted from technological advances during this time that further 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 Sony A7R III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A7R III for good quality output (200 dots per inch) amounts to 39.8 x 26.5 inches or 101 x 67.4 cm, for very good quality (250 dpi) 31.8 x 21.2 inches or 80.8 x 53.9 cm, and for excellent quality (300 dpi) 26.5 x 17.7 inches or 67.3 x 44.9 cm. The corresponding values for the Leica SL2-S are 30 x 20 inches or 76.2 x 50.8 cm for good quality, 24 x 16 inches or 61 x 40.6 cm for very good quality, and 20 x 13.3 inches or 50.8 x 33.9 cm for excellent quality prints.

The A7R III has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Both cameras have the capacity to capture high quality composite images by combining multiple shots after shifting the sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

The Leica SL2-S has a native sensitivity range from ISO 100 to ISO 50000, which can be extended to ISO 50-100000. The corresponding ISO settings for the Sony Alpha A7R III are ISO 100 to ISO 32000, with the possibility to increase the ISO range to 50-102400.

In terms of underlying technology, the Leica SL2-S is build around a CMOS sensor, while the A7R III uses a BSI-CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

Leica SL2-S versus A7R III 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"). Of the two cameras under consideration, the A7R III has a markedly higher DXO score than the Leica SL2-S (overall score 5 points higher), which will translate into better image quality. The advantage is based on 0.8 bits higher color depth, 0.6 EV in additional dynamic range, and -0 stops in additional low light sensitivity. 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
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Leica SL2-S Full Frame 24.0 6000 40004K/60p25.214.1350495
2.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
3.
 
Canon R3 Full Frame 24.0 6000 40006K/60p25.014.7408696
4.
 
Canon R6 Full Frame 20.0 5472 36484k/60p24.214.3339490
5.
 
Leica SL2 Full Frame 46.7 8368 55844K/60p25.314.3286695
6.
 
Leica SL Full Frame 24.0 6000 40004K/30p25.013.4182188
7.
 
Panasonic S5 Full Frame 24.0 6000 40004K/60p25.114.5269794
8.
 
Panasonic S1 Full Frame 24.0 6000 40004K/60p25.214.5333395
9.
 
Panasonic S1R Full Frame 46.7 8368 55844K/60p26.414.13525100
10.
 
Panasonic S1H Full Frame 24.0 6000 40006K/30p25.214.2280594
11.
 
Sony A7R IIIA Full Frame 42.2 7952 53044K/30p26.014.73523100
12.
 
Sony A7C Full Frame 24.0 6000 40004K/30p25.014.7340795
13.
 
Sony A9 II Full Frame 24.0 6000 40004K/30p25.014.0343493
14.
 
Sony A7R IV Full Frame 60.2 9504 63364K/30p26.014.8334499
15.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
16.
 
Sony A9 Full Frame 24.0 6000 40004K/30p24.913.3351792
17.
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498
Note: DXO values in italics represent estimates based on sensor size and age.
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Many modern cameras cannot only take still pictures, but also record videos. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the Leica SL2-S provides a higher frame rate than the A7R III. It can shoot video footage at 4K/60p, while the Sony is limited to 4K/30p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. The two cameras under consideration are similar with respect to both having an electronic viewfinder. However, the one in the Leica SL2-S offers a substantially higher resolution than the one in the A7R III (5760k vs 3686k dots). The adjacent table lists some of the other core features of the Leica SL2-S and Sony A7R III 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.
 
Leica SL2-S5760 Y3.2 / 2100 fixed Y 1/8000s 20.0/s n Y
2.
 
Sony A7R III3686 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
3.
 
Canon R35760 Y3.2 / 4150 swivel Y 1/8000s 12.0/s n Y
4.
 
Canon R63690 n3.0 / 1620 swivel Y 1/8000s 12.0/s n Y
5.
 
Leica SL25760 Y3.2 / 2100 fixed Y 1/8000s 10.0/s n Y
6.
 
Leica SL4400 Y3.0 / 1040 fixed Y 1/8000s 11.0/s n n
7.
 
Panasonic S52360 n3.0 / 1840 swivel Y 1/8000s 7.0/s n Y
8.
 
Panasonic S15760 Y3.2 / 2100 full-flex Y 1/8000s 9.0/s n Y
9.
 
Panasonic S1R5760 Y3.2 / 2100 full-flex Y 1/8000s 9.0/s n Y
10.
 
Panasonic S1H5760 Y3.2 / 2330 swivel Y 1/8000s 9.0/s n Y
11.
 
Sony A7R IIIA3686 n3.0 / 2340 tilting Y 1/8000s 10.0/s n Y
12.
 
Sony A7C2360 n3.0 / 922 swivel Y 1/4000s 10.0/s n Y
13.
 
Sony A9 II3686 n3.0 / 1440 tilting Y 1/8000s 20.0/s n Y
14.
 
Sony A7R IV5760 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
15.
 
Sony A7 III2359 n3.0 / 922 tilting Y 1/8000s 10.0/s n Y
16.
 
Sony A93686 n3.0 / 1440 tilting Y 1/8000s 20.0/s n Y
17.
 
Sony A7R II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
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One feature that is present on the Leica SL2-S, but is missing on the A7R III 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 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 Leica SL2-S and the Sony A7R III both have 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 Leica SL2-S writes its imaging data to SDXC cards, while the A7R III uses SDXC or Memory Stick PRO Duo cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. However, while the Leica SL2-S supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s) on both slots, the A7R III supports UHS-II only on its first slot and UHS-I (data transfer speed up to 104 MB/s) on the second one.

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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 SL2-S and Sony Alpha A7R 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
# image Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Leica SL2-SYstereo / monoYYfull3.2Y-Y
2.
 
Sony A7R IIIYstereo / monoYYmicro3.1YYY
3.
 
Canon R3Ystereo / monoYYmicro3.2Y-Y
4.
 
Canon R6Ymono / monoYYmicro3.2Y-Y
5.
 
Leica SL2Ystereo / monoYYfull3.1Y-Y
6.
 
Leica SLYstereo / monoYYfull3.0Y--
7.
 
Panasonic S5Ystereo / monoYYmicro3.2Y-Y
8.
 
Panasonic S1Ystereo / monoYYfull3.1Y-Y
9.
 
Panasonic S1RYstereo / monoYYfull3.1Y-Y
10.
 
Panasonic S1HYstereo / monoYYfull3.1Y-Y
11.
 
Sony A7R IIIAYstereo / monoYYmicro3.2YYY
12.
 
Sony A7CYstereo / monoYYmicro3.2YYY
13.
 
Sony A9 IIYstereo / monoYYmicro3.1YYY
14.
 
Sony A7R IVYstereo / monoYYmicro3.1YYY
15.
 
Sony A7 IIIYstereo / monoYYmicro3.1YYY
16.
 
Sony A9Ystereo / monoYYmicro2.0YYY
17.
 
Sony A7R IIYstereo / monoYYmicro2.0YY-
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Studio photographers will appreciate that the Sony A7R III (unlike the Leica SL2-S) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The Leica SL2-S is a recent model that features in the current product line-up of Leica. In contrast, the A7R III has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the A7R III was succeeded by the Sony A7R IV. Further information on the features and operation of the Leica SL2-S and A7R III can be found, respectively, in the Leica SL2-S Manual (free pdf) or the online Sony A7R III Manual.

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Review summary

So what is the bottom line? Which of the two cameras – the Leica SL2-S or the Sony A7R III – has the upper hand? Is one clearly better than the other? The listing below highlights the relative strengths of the two models.

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Advantages of the Leica SL2-S:

  • Better video: Provides higher movie framerates (4K/60p versus 4K/30p).
  • More detailed viewfinder: Has higher resolution electronic viewfinder (5760k vs 3686k dots).
  • Easier setting verification: Features an LCD display on top to control 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 1440k dots).
  • Faster burst: Shoots at higher frequency (20 vs 10 flaps/sec) to capture the decisive moment.
  • Faster data transfer: Supports a more advanced USB protocol (3.2 vs 3.1).
  • More solid recording: Has a full-sized HDMI port for a sturdy connection to an external recorder.
  • More prestigious: Has the Leica luxury appeal, which ensures a high resale price.
  • More modern: Reflects 3 years and 1 month of technical progress since the A7R III launch.

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Arguments in favor of the Sony Alpha A7R III:

  • More detail: Has more megapixels (42.2 vs 24MP), which boosts linear resolution by 33%.
  • Better image quality: Scores markedly higher (5 points) in the DXO overall evaluation.
  • More dynamic range: Captures a broader range of light and dark details (0.6 EV of extra DR).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • More compact: Is smaller (127x96mm vs 146x107mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 281g or 30 percent) and is thus easier to take along.
  • Longer lasting: Gets more shots (650 versus 510) out of a single battery charge.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • More affordable: Was introduced into a lower priced category (35 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in October 2017).

If the count of relative strengths (bullet points above) is taken as a measure, the A7R III emerges as the winner of the match-up (12 : 10 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. 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.

Leica SL2-S 10:12 A7R III

How about other alternatives? Do the specifications of the Leica SL2-S and the Sony A7R III 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 comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the Leica SL2-S or the A7R III. 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 where reviews by experts come in. The adjacent summary-table relays the overall verdicts of several of the most popular 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.
 
Leica SL2-S4/5..4/5..4.5/54.5/5 Dec 2020 4,895 amazon.com
2.
 
Sony A7R III..+ +4/590/1004.5/55/5 Oct 2017 3,199ebay.com
3.
 
Canon R35/5o4.5/5..5/54.5/5 Sep 2021 5,999 amazon.com
4.
 
Canon R65/5+ +4/590/1004.5/55/5 Jul 2020 2,499 amazon.com
5.
 
Leica SL24/5..4.5/5..4.5/54/5 Nov 2019 5,999 amazon.com
6.
 
Leica SL4/5..4/584/1004.5/54/5 Oct 2015 7,450ebay.com
7.
 
Panasonic S54.5/5+ +4.5/588/1004.5/54.5/5 Sep 2020 1,999 amazon.com
8.
 
Panasonic S14.5/5+ +4.5/588/1004.5/54/5 Feb 2019 2,499 amazon.com
9.
 
Panasonic S1R4.5/5..4.6/589/1004.5/54.5/5 Feb 2019 3,699 amazon.com
10.
 
Panasonic S1H....4/590/100.... May 2019 3,999 amazon.com
11.
 
Sony A7R IIIA..+ +4/590/1004.5/55/5 Apr 2021 3,199 amazon.com
12.
 
Sony A7C3.5/5..3.5/586/1004/54/5 Sep 2020 1,799 amazon.com
13.
 
Sony A9 II....5/590/1005/55/5 Oct 2019 4,499 amazon.com
14.
 
Sony A7R IV5/5+4.5/591/1004.5/55/5 Jul 2019 3,499ebay.com
15.
 
Sony A7 III..+ +4.5/589/1005/55/5 Feb 2018 1,999 amazon.com
16.
 
Sony A95/5+ +4.8/589/1005/55/5 Apr 2017 4,499ebay.com
17.
 
Sony A7R II5/5+ +5/590/1005/55/5 Jun 2015 3,199ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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The above review scores should be interpreted with care, though. The assessments were made in relation to similar cameras of the same technological generation. 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, please note that some of the review sites have changed their methodology and reporting over time.

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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: Leica SL2-S vs Sony A7R 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 Leica SL2-S Sony A7R III
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Leica L mount lenses Sony E mount lenses
    Launch Date December 2020 October 2017
    Launch Price USD 4,895 USD 3,199
    Sensor Specs Leica SL2-S Sony A7R III
    Sensor Technology CMOS BSI-CMOS
    Sensor Format Full Frame Sensor Full Frame Sensor
    Sensor Size 36.0 x 24.0 mm 35.9 x 24.0 mm
    Sensor Area 864 mm2 861.6 mm2
    Sensor Diagonal 43.3 mm 43.2 mm
    Crop Factor 1.0x 1.0x
    Sensor Resolution 24 Megapixels 42.2 Megapixels
    Image Resolution 6000 x 4000 pixels 7952 x 5304 pixels
    Pixel Pitch 6.00 μm 4.52 μm
    Pixel Density 2.78 MP/cm2 4.90 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 4K/60p Video 4K/30p Video
    ISO Setting 100 - 50,000 ISO 100 - 32,000 ISO
    ISO Boost 50 - 100,000 ISO 50 - 102,400 ISO
    Image Processor Maestro III BIONZ X
    DXO Sensor Quality (score) 95 100
    DXO Color Depth (bits) 25.2 26.0
    DXO Dynamic Range (EV) 14.1 14.7
    DXO Low Light (ISO) 3504 3523
    Screen Specs Leica SL2-S Sony A7R III
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.78x 0.78x
    Viewfinder Resolution 5760k dots 3686k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.0inch
    LCD Resolution 2100k dots 1440k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Leica SL2-S Sony A7R III
    Focus System Contrast-detect AF On-Sensor Phase-detect
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/8000s
    Continuous Shooting 20 shutter flaps/s 10 shutter flaps/s
    Electronic Shutterup to 1/16000sYES
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium SDXC cards MS or SDXC cards
    Single or Dual Card Slots Dual card slots Dual card slots
    UHS card support Dual UHS-II Single UHS-II
    Connectivity Specs Leica SL2-S Sony A7R III
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 3.2 USB 3.1
    HDMI Port full 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
    Bluetooth Support Bluetooth built-in Bluetooth built-in
    Body Specs Leica SL2-S Sony A7R III
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Leica BP-SCL4 Sony NP-FZ100
    Battery Life (CIPA)510 shots per charge650 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 146 x 107 x 83 mm
    (5.7 x 4.2 x 3.3 in)
    127 x 96 x 74 mm
    (5.0 x 3.8 x 2.9 in)
    Camera Weight 931 g (32.8 oz) 650 g (22.9 oz)
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