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Leica SL3 vs Sony A7S

The Leica SL3 and the Sony Alpha A7S are two digital cameras that were officially introduced, respectively, in March 2024 and April 2014. Both the Leica SL3 and the A7S are mirrorless interchangeable lens cameras that are equipped with a full frame sensor. The Leica has a resolution of 60.3 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
Leica SL3
versus
Sony A7S
Leica SL3   Sony A7S
Mirrorless system camera Mirrorless system camera
Leica L mount lenses Sony E mount lenses
60.3 MP – Full Frame sensor 12 MP – Full Frame sensor
8K/30p Video 1080/60p Video
ISO 100-100,000 ISO 100-102,400 (50 - 409,600)
Electronic viewfinder (5760k dots) Electronic viewfinder (2400k dots)
3.2" LCD – 2333k dots 3.0" LCD – 921k dots
Tilting touchscreen Tilting screen (no touchscreen)
5 shutter flaps per second 5 shutter flaps per second
In-body stabilizationLens stabilization only
Weathersealed bodyWeathersealed body
320 shots per battery charge380 shots per battery charge
141 x 108 x 85 mm, 854 g 127 x 94 x 48 mm, 489 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Leica SL3 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

An illustration of the physical size and weight of the Leica SL3 and the Sony A7S 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 measures are rounded to the nearest millimeter.

Size Leica SL3 vs Sony A7S
Compare Leica SL3 versus A7S top
Comparison Leica SL3 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 smaller (22 percent) than the Leica SL3. Moreover, the A7S is substantially lighter (43 percent) than the Leica SL3. 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 SL3 gets 320 shots out of its Leica BP-SCL6 battery, while the A7S can take 380 images on a single charge of its Sony NP-FW50 power pack. The battery packs of both cameras can be charged via USB, 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. 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
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Leica SL3 141 mm 108 mm 85 mm 854 g 320 Y Mar 2024 EUR 6 799 amazon.com
2.
 
Sony A7S 127 mm 94 mm 48 mm 489 g 380 Y Apr 2014 EUR 2 399ebay.com
3.
 
Leica Q3 130 mm 80 mm 93 mm 743 g 350 Y May 2023 EUR 5 999 amazon.com
4.
 
Leica SL 147 mm 104 mm 39 mm 847 g 400 Y Oct 2015 EUR 6 899ebay.com
5.
 
Leica SL2 146 mm 107 mm 42 mm 953 g 370 Y Nov 2019 EUR 5 999 amazon.com
6.
 
Leica SL2-S 146 mm 107 mm 83 mm 931 g 510 Y Dec 2020 EUR 4 499 amazon.com
7.
 
Leica SL3-S 141 mm 108 mm 85 mm 852 g 315 Y Jan 2025 EUR 5 199 amazon.com
8.
 
Panasonic S1 II 134 mm 102 mm 92 mm 800 g 350 Y May 2025 EUR 3 499 amazon.com
9.
 
Panasonic S5 II 134 mm 102 mm 90 mm 740 g 370 Y Jan 2023 EUR 2 199 amazon.com
10.
 
Sony A1 129 mm 97 mm 81 mm 737 g 530 Y Jan 2021 EUR 7 299 amazon.com
11.
 
Sony A1 II 136 mm 97 mm 83 mm 743 g 520 Y Nov 2024 EUR 7 499 amazon.com
12.
 
Sony A7 127 mm 94 mm 48 mm 474 g 340 Y Oct 2013 EUR 1 499ebay.com
13.
 
Sony A7R 127 mm 94 mm 48 mm 465 g 340 Y Oct 2013 EUR 2 099ebay.com
14.
 
Sony A7S II 127 mm 96 mm 60 mm 627 g 370 Y Sep 2015 EUR 3 399ebay.com
15.
 
Sony A9 III 136 mm 97 mm 83 mm 702 g 530 Y Nov 2023 EUR 6 999 amazon.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 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 A7S was launched at a markedly lower price (by 64 percent) than the Leica SL3, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. 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. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its 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 A7S is 1 percent smaller. 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 SL3 and Sony A7S sensor measures

With 60.3MP, the Leica SL3 offers a higher resolution than the A7S (12MP), but the Leica SL3 has smaller individual pixels (pixel pitch of 3.79μm versus 8.45μm for the A7S). However, the Leica SL3 is a much more recent model (by 9 years and 11 months) than the A7S, 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 the Leica SL3 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Leica SL3 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the Leica SL3 for good quality output (200 dots per inch) amounts to 47.6 x 31.7 inches or 120.9 x 80.5 cm, for very good quality (250 dpi) 38.1 x 25.3 inches or 96.7 x 64.4 cm, and for excellent quality (300 dpi) 31.7 x 21.1 inches or 80.6 x 53.6 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 Leica SL3 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Leica SL3 has a native sensitivity range from ISO 100 to ISO 100000, which can be extended to ISO 50-100000. 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.

Leica SL3 versus A7S MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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 adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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Sensor Characteristics
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Leica SL3 Full Frame 60.3 9520 63368K/30p25.414.8329597
2.
 
Sony A7S Full Frame 12.0 4240 28321080/60p23.913.2370287
3.
 
Leica Q3 Full Frame 60.3 9528 63288K/30p25.414.7321696
4.
 
Leica SL Full Frame 24.0 6000 40004K/30p25.013.4182188
5.
 
Leica SL2 Full Frame 46.7 8368 55844K/60p25.314.3286695
6.
 
Leica SL2-S Full Frame 24.0 6000 40004K/60p25.214.1350495
7.
 
Leica SL3-S Full Frame 24.0 6000 40006K/30p25.414.8338397
8.
 
Panasonic S1 II Full Frame 24.0 6000 40006K/30p25.414.8340697
9.
 
Panasonic S5 II Full Frame 24.0 6000 40006K/30p25.414.6315896
10.
 
Sony A1 Full Frame 49.8 8640 57608k/30p25.914.5316398
11.
 
Sony A1 II Full Frame 49.8 8640 57608k/30p25.414.8336397
12.
 
Sony A7 Full Frame 24.0 6000 40001080/60p24.814.2224890
13.
 
Sony A7R Full Frame 36.2 7360 49121080/60p25.614.1274695
14.
 
Sony A7S II Full Frame 12.0 4240 28324K/30p23.613.3299385
15.
 
Sony A9 III Full Frame 24.0 6000 40004K/120p25.414.7324396
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. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the Leica SL3 provides a higher video resolution than the A7S. It can shoot video footage at 8K/30p, while the Sony is limited to 1080/60p.

Feature comparison

Beyond 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 SL3 offers a substantially higher resolution than the one in the A7S (5760k vs 2400k dots). The table below summarizes some of the other core capabilities of the Leica SL3 and Sony A7S in connection with corresponding information for a sample of similar cameras.

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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 SL35760 Y3.2 / 2333 tilting Y 1/8000s 5.0/s n Y
2.
 
Sony A7S2400 n3.0 / 921 tilting n 1/8000s 5.0/s n n
3.
 
Leica Q35760 n3.0 / 1840 tilting Y 1/2000s 15.0/s n Y
4.
 
Leica SL4400 Y3.0 / 1040 fixed Y 1/8000s 11.0/s n n
5.
 
Leica SL25760 Y3.2 / 2100 fixed Y 1/8000s 10.0/s n Y
6.
 
Leica SL2-S5760 Y3.2 / 2100 fixed Y 1/8000s 20.0/s n Y
7.
 
Leica SL3-S5760 Y3.2 / 2333 tilting Y 1/8000s 30.0/s n Y
8.
 
Panasonic S1 II5760 n3.2 / 1840 full-flex Y 1/8000s 10.0/s n Y
9.
 
Panasonic S5 II3680 n3.0 / 1840 swivel Y 1/8000s 9.0/s n Y
10.
 
Sony A19437 n3.0 / 1440 tilting Y 1/8000s 30.0/s n Y
11.
 
Sony A1 II9437 n3.2 / 2100 full-flex Y 1/8000s 30.0/s n Y
12.
 
Sony A72400 n3.0 / 1230 tilting n 1/8000s 5.0/s n n
13.
 
Sony A7R2400 n3.0 / 1230 tilting n 1/8000s 4.0/s n n
14.
 
Sony A7S II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
15.
 
Sony A9 III9440 n3.2 / 2100 full-flex Y 1/80000s 120.0/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 feature that is present on the Leica SL3, but is missing on the A7S 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 SL3 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 Leica SL3 writes its imaging data to CFexpress (type B) or SDXC cards, while the A7S uses SDXC or Memory Stick PRO Duo cards. The Leica SL3 features dual card slots, which can be very useful in case a memory card fails. In contrast, the A7S only has one slot. The Leica SL3 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).

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 SL3 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.
 
Leica SL3Ystereo / monoYYfull3.1Y-Y
2.
 
Sony A7SYstereo / monoYYmicro2.0YY-
3.
 
Leica Q3Ystereo / mono--micro3.1Y-Y
4.
 
Leica SLYstereo / monoYYfull3.0Y--
5.
 
Leica SL2Ystereo / monoYYfull3.1Y-Y
6.
 
Leica SL2-SYstereo / monoYYfull3.2Y-Y
7.
 
Leica SL3-SYstereo / monoYYfull3.2Y-Y
8.
 
Panasonic S1 IIYstereo / monoYYfull3.2Y-Y
9.
 
Panasonic S5 IIYstereo / monoYYfull3.2Y-Y
10.
 
Sony A1Ystereo / monoYYfull3.2Y-Y
11.
 
Sony A1 IIYstereo / monoYYfull3.2Y-Y
12.
 
Sony A7Ystereo / monoYYmicro2.0YY-
13.
 
Sony A7RYstereo / monoYYmicro2.0YY-
14.
 
Sony A7S IIYstereo / monoYYmicro2.0YY-
15.
 
Sony A9 IIIYstereo / monoYYfull3.2Y-Y
16.
 
Sony RX1RYstereo / monoY-mini2.0---
17.
 
Sony ZV-E1Ystereo / monoYYmicro3.2Y-Y

The Leica SL3 is a recent model that features in the current product line-up of Leica. 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 Leica SL3 and A7S can be found, respectively, in the Leica SL3 Manual (free pdf) or the online Sony A7S Manual.

Review summary

So what conclusions can be drawn? Which of the two cameras – the Leica SL3 or the Sony A7S – has the upper hand? Is one clearly better than the other? Below is a summary of the relative strengths of each of the two contestants.

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Advantages of the Leica SL3:

  • More detail: Offers more megapixels (60.3 vs 12MP) with a 124% higher linear resolution.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better video: Provides higher definition movie capture (8K/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 (5760k vs 2400k dots).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.76x vs 0.71x).
  • 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 (2333k vs 921k dots).
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
  • More solid recording: Has a full-sized HDMI port for a sturdy connection to an external recorder.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • 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 9 years and 11 months of technical progress since the A7S launch.

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Reasons to prefer the Sony Alpha A7S:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • More compact: Is smaller (127x94mm vs 141x108mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 365g or 43 percent) and is thus easier to take along.
  • Longer lasting: Gets more shots (380 versus 320) out of a single battery charge.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More affordable: Was introduced into a lower priced category (64 percent cheaper at launch).
  • 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 Leica SL3 is the clear winner of the match-up (19 : 7 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.

Leica SL3 19:07 A7S

How about other alternatives? Do the specifications of the Leica SL3 and the Sony A7S 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 says little about, for example, the shooting experience and imaging performance of the Leica SL3 and the A7S in practical situations. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews

This is where reviews by experts come in. The 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 SL3....4.5/5....4.5/5 Mar 2024 EUR 6 799 amazon.com
2.
 
Sony A7S4/5....86/1004.5/55/5 Apr 2014 EUR 2 399ebay.com
3.
 
Leica Q35/5..4.5/5....4.5/5 May 2023 EUR 5 999 amazon.com
4.
 
Leica SL4/5..4/584/1004.5/54/5 Oct 2015 EUR 6 899ebay.com
5.
 
Leica SL24/5..4.5/5..4.5/54/5 Nov 2019 EUR 5 999 amazon.com
6.
 
Leica SL2-S4/5..4/5..4.5/54.5/5 Dec 2020 EUR 4 499 amazon.com
7.
 
Leica SL3-S............ Jan 2025 EUR 5 199 amazon.com
8.
 
Panasonic S1 II............ May 2025 EUR 3 499 amazon.com
9.
 
Panasonic S5 II4.5/5+ +5/590/1004.5/55/5 Jan 2023 EUR 2 199 amazon.com
10.
 
Sony A15/5o4.5/593/1004.5/55/5 Jan 2021 EUR 7 299 amazon.com
11.
 
Sony A1 II............ Nov 2024 EUR 7 499 amazon.com
12.
 
Sony A75/5+ +..80/1005/55/5 Oct 2013 EUR 1 499ebay.com
13.
 
Sony A7R5/5+ +..82/1004.5/55/5 Oct 2013 EUR 2 099ebay.com
14.
 
Sony A7S II5/5+....4.5/55/5 Sep 2015 EUR 3 399ebay.com
15.
 
Sony A9 III4.5/5....91/100.... Nov 2023 EUR 6 999 amazon.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.

Care should be taken when interpreting the review scores above, though. The ratings are only valid when referring to cameras in the same category and of the same age. 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. Also, please note that some of the review sites have changed their methodology and reporting over time.

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Check Leica SL3 price at
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Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just use the search menu below. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Leica SL3 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 Leica SL3 Sony A7S
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Leica L mount lenses Sony E mount lenses
    Launch Date March 2024 April 2014
    Launch Price USD 6,999 USD 2,499
    Sensor Specs Leica SL3 Sony A7S
    Sensor Technology CMOS CMOS
    Sensor Format Full Frame Sensor Full Frame Sensor
    Sensor Size 36.0 x 24.0 mm 35.8 x 23.9 mm
    Sensor Area 864 mm2 855.62 mm2
    Sensor Diagonal 43.3 mm 43 mm
    Crop Factor 1.0x 1.0x
    Sensor Resolution 60.3 Megapixels 12 Megapixels
    Image Resolution 9520 x 6336 pixels 4240 x 2832 pixels
    Pixel Pitch 3.79 μm 8.45 μm
    Pixel Density 6.98 MP/cm2 1.40 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 8K/30p Video 1080/60p Video
    ISO Setting 100 - 100,000 ISO 100 - 102,400 ISO
    ISO Boost 50 - 100,000 ISO 50 - 409,600 ISO
    Image Processor Maestro IV 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 Leica SL3 Sony A7S
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.76x 0.71x
    Viewfinder Resolution 5760k dots 2400k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.0inch
    LCD Resolution 2333k dots 921k dots
    LCD Attachment Tilting screen Tilting screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Leica SL3 Sony A7S
    Focus System On-Sensor Phase-detect Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/8000s
    Continuous Shooting 5 shutter flaps/s 5 shutter flaps/s
    Electronic Shutterup to 1/16000sYES
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationIn-body stabilizationLens stabilization only
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium CFexB 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 SL3 Sony A7S
    External Flash Hotshoe Hotshoe
    USB Connector USB 3.1 USB 2.0
    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 no Bluetooth
    Body Specs Leica SL3 Sony A7S
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Leica BP-SCL6 Sony NP-FW50
    Battery Life (CIPA)320 shots per charge380 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 141 x 108 x 85 mm
    (5.6 x 4.3 x 3.3 in)
    127 x 94 x 48 mm
    (5.0 x 3.7 x 1.9 in)
    Camera Weight 854 g (30.1 oz) 489 g (17.2 oz)
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