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Leica S1 vs Sony A7 IV

The Leica S1 Pro and the Sony Alpha A7 IV are two digital cameras that were officially introduced, respectively, in August 1996 and October 2021. Both the S1 and the A7 IV are mirrorless interchangeable lens cameras that are based on a medium format (S1) and a full frame (A7 IV) sensor. The Leica has a resolution of 26.4 megapixels, whereas the Sony provides 32.7 MP.

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

Headline Specifications
Leica S1
versus
Sony A7 IV
Leica S1   Sony A7 IV
Mirrorless system camera Mirrorless system camera
Leica R mount lenses Sony E mount lenses
26.4 MP – Medium Format sensor 32.7 MP – Full Frame sensor
no Video 4K/60p Video
ISO 50-1,600 ISO 100-51,200 (50 - 204,800)
Optical viewfinder Electronic viewfinder (3686k dots)
no LCD 3.0" LCD – 1037k dots
no rear screen Swivel touchscreen
0.01 shutter flaps per second 10 shutter flaps per second
no shake reductionIn-body stabilization
not weather sealedWeathersealed body
339 x 214 x 119 mm, 2500 g 131 x 96 x 80 mm, 659 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Leica S1 Pro and the Sony Alpha A7 IV? 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 S1 and the Sony A7 IV 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 width, height and depth dimensions are rounded to the nearest millimeter.

Size Leica S1 vs Sony A7 IV
Compare S1 versus A7 IV top
Comparison S1 or A7 IV rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7 IV is considerably smaller (83 percent) than the Leica S1. Moreover, the A7 IV is substantially lighter (74 percent) than the S1. It is noteworthy in this context that the A7 IV is splash and dust-proof, while the S1 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. A larger imaging sensor will tend to go along with bigger and heavier lenses, although exceptions exist. You can compare the optics available for the two cameras in the Leica R Lens Catalog (S1) and the Sony FE Lens Catalog (A7 IV). Mirrorless cameras, such as the two under consideration, have the additional advantage of having a short flange to focal plane distance, which makes it possible to mount many lenses from other systems onto the camera via adapters.

The power pack in the A7 IV can be charged via the USB port, 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 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 S1 339 mm 214 mm 119 mm 2500 g .. n Aug 1996 US$ 21 499ebay.com
2.
 
Sony A7 IV 131 mm 96 mm 80 mm 659 g 580 Y Oct 2021 US$ 2 499 amazon.com
3.
 
Canon RP 133 mm 85 mm 70 mm 485 g 250 n Feb 2019 US$ 1 299 amazon.com
4.
 
Canon SL3 122 mm 93 mm 70 mm 449 g 1070 n Apr 2019 US$ 599 amazon.com
5.
 
Fujifilm X-T30 118 mm 83 mm 47 mm 383 g 380 n Feb 2019 US$ 899ebay.com
6.
 
Leica CL 131 mm 78 mm 45 mm 403 g 220 n Nov 2017 US$ 2 795ebay.com
7.
 
Leica M-E Typ 240 139 mm 80 mm 42 mm 680 g 500 Y Jun 2019 US$ 3 999ebay.com
8.
 
Leica Q Typ 116 130 mm 80 mm 93 mm 640 g 300 n Jun 2015 US$ 4 249ebay.com
9.
 
Leica S2 160 mm 120 mm 80 mm 1410 g .. Y Sep 2008 US$ 22 999ebay.com
10.
 
Leica TL2 134 mm 69 mm 33 mm 399 g 250 n Jul 2017 US$ 1 949ebay.com
11.
 
Sony A1 129 mm 97 mm 81 mm 737 g 530 Y Jan 2021 US$ 6 499 amazon.com
12.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 US$ 1 999 amazon.com
13.
 
Sony A7R IIIA 127 mm 96 mm 74 mm 650 g 650 Y Apr 2021 US$ 3 199 amazon.com
14.
 
Sony A7R V 131 mm 97 mm 82 mm 723 g 530 Y Oct 2022 US$ 3 899 amazon.com
15.
 
Sony A7S III 127 mm 97 mm 81 mm 699 g 600 Y Jul 2020 US$ 3 499 amazon.com
16.
 
Sony A6100 120 mm 67 mm 59 mm 396 g 420 n Aug 2019 US$ 749ebay.com
17.
 
Sony A6400 120 mm 67 mm 50 mm 403 g 410 Y Jan 2019 US$ 899 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 listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The A7 IV was launched at a markedly lower price (by 88 percent) than the S1, which puts it into a different market segment. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down.

Sensor comparison

The size of the imaging sensor is a crucial determinant of image quality. 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. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the background. On the downside, larger sensors tend to be more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Leica S1 features a medium format sensor and the Sony A7 IV a full frame sensor. The sensor area in the A7 IV is 34 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 0.85 and 1.0. The sensor in the S1 has a native 1:1 aspect ratio, while the one in the A7 IV offers a 3:2 aspect.

Leica S1 and Sony A7 IV sensor measures

Despite having a smaller sensor, the A7 IV offers a higher resolution of 32.7 megapixels, compared with 26.4 MP of the S1. 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 5.12μm versus 7.01μm for the S1). However, it should be noted that the A7 IV is much more recent (by 25 years and 1 month) than the S1, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently. 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 A7 IV implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A7 IV for good quality output (200 dots per inch) amounts to 35 x 23.4 inches or 89 x 59.3 cm, for very good quality (250 dpi) 28 x 18.7 inches or 71.2 x 47.5 cm, and for excellent quality (300 dpi) 23.4 x 15.6 inches or 59.3 x 39.6 cm. The corresponding values for the Leica S1 are 25.7 x 25.7 inches or 65.3 x 65.3 cm for good quality, 20.6 x 20.6 inches or 52.2 x 52.2 cm for very good quality, and 17.1 x 17.1 inches or 43.5 x 43.5 cm for excellent quality prints.

The A7 IV has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Leica S1 Pro has a native sensitivity range from ISO 50 to ISO 1600. The corresponding ISO settings for the Sony Alpha A7 IV are ISO 100 to ISO 51200, with the possibility to increase the ISO range to 50-204800.

In terms of underlying technology, the S1 is build around a CCD sensor, while the A7 IV 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.

S1 versus A7 IV MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). 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 S1 Medium Format 26.4 5140 5140none........
2.
 
Sony A7 IV Full Frame 32.7 7008 46724K/60p25.414.7337997
3.
 
Canon RP Full Frame 26.0 6240 41604K/30p24.311.9297785
4.
 
Canon SL3 APS-C 24.0 6000 40004K/25p23.913.4179182
5.
 
Fujifilm X-T30 APS-C 26.0 6240 41604K/30p24.113.5189583
6.
 
Leica CL APS-C 24.1 6014 40144K/30p24.013.3178882
7.
 
Leica M-E Typ 240 Full Frame 23.7 5952 39761080/25p25.214.2282194
8.
 
Leica Q Typ 116 Full Frame 24.0 6000 40001080/60p24.312.7222185
9.
 
Leica S2 Medium Format 37.5 7500 5000none23.912.5222482
10.
 
Leica TL2 APS-C 24.1 6014 40144K/30p23.913.3175382
11.
 
Sony A1 Full Frame 49.8 8640 57608k/30p25.914.5316398
12.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
13.
 
Sony A7R IIIA Full Frame 42.2 7952 53044K/30p26.014.73523100
14.
 
Sony A7R V Full Frame 60.2 9504 63368k/24p26.514.83187100
15.
 
Sony A7S III Full Frame 12.0 4240 28324K/120p23.713.9252086
16.
 
Sony A6100 APS-C 24.0 6000 40004K/30p24.113.6194784
17.
 
Sony A6400 APS-C 24.0 6000 40004K/30p24.013.6143183
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras cannot only take still pictures, but also record videos. The A7 IV indeed provides for movie recording, while the S1 does not. The highest resolution format that the A7 IV can use is 4K/60p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the A7 IV has an electronic viewfinder (3686k dots), while the S1 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 following table reports on some other key feature differences and similarities of the Leica S1, the Sony A7 IV, and comparable 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 S1optical nnone / none none n .. 0.01/s n n
2.
 
Sony A7 IV3686 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
3.
 
Canon RP2360 n3.0 / 1040 swivel Y 1/4000s 5.0/s n n
4.
 
Canon SL3optical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
5.
 
Fujifilm X-T302360 n3.0 / 1040 tilting Y 1/4000s 8.0/s Y n
6.
 
Leica CL2360 Y3.0 / 1040 fixed Y 1/8000s 10.0/s n n
7.
 
Leica M-E Typ 240optical n3.0 / 920 fixed n 1/4000s 3.0/s n n
8.
 
Leica Q Typ 1163680 n3.0 / 1040 fixed Y 1/2000s 10.0/s n Y
9.
 
Leica S2optical Y3.0 / 460 fixed n 1/4000s 1.5/s n n
10.
 
Leica TL2optional n3.7 / 1230 fixed Y 1/4000s 7.0/s n n
11.
 
Sony A19437 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
12.
 
Sony A7 III2359 n3.0 / 922 tilting Y 1/8000s 10.0/s n Y
13.
 
Sony A7R IIIA3686 n3.0 / 2340 tilting Y 1/8000s 10.0/s n Y
14.
 
Sony A7R V9440 n3.2 / 2100 full-flex Y 1/8000s 10.0/s n Y
15.
 
Sony A7S III9440 n3.0 / 1440 swivel Y 1/8000s 10.0/s n Y
16.
 
Sony A61001440 n3.0 / 922 tilting Y 1/4000s 11.0/s Y n
17.
 
Sony A64002359 n3.0 / 922 tilting Y 1/4000s 11.0/s Y n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One feature that differentiates the A7 IV and the S1 is in-body image stabilization (IBIS). The A7 IV reduces the risk of handshake-induced blur with all attached lenses, while the S1 offers no blur reduction with lenses that themselves do not provide optical image stabilization.

The A7 IV 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 S1 does not have a selfie-screen.

The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the A7 IV is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).

The S1 writes its imaging data to external storage, while the A7 IV uses CFexpress (type A) or SDXC cards.

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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 S1 Pro and Sony Alpha A7 IV 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 S1-- / --------
2.
 
Sony A7 IVYstereo / monoYYfull3.2Y-Y
3.
 
Canon RPYstereo / monoYYmicro2.0Y-Y
4.
 
Canon SL3Ystereo / monoY-mini2.0Y-Y
5.
 
Fujifilm X-T30Ystereo / monoY-micro3.1Y-Y
6.
 
Leica CLYstereo / mono----Y--
7.
 
Leica M-E Typ 240Ymono / ----2.0---
8.
 
Leica Q Typ 116Ystereo / mono--micro2.0YY-
9.
 
Leica S2Y- / ---mini2.0---
10.
 
Leica TL2Ystereo / mono--micro3.0Y--
11.
 
Sony A1Ystereo / monoYYfull3.2Y-Y
12.
 
Sony A7 IIIYstereo / monoYYmicro3.1YYY
13.
 
Sony A7R IIIAYstereo / monoYYmicro3.2YYY
14.
 
Sony A7R VYstereo / monoYYfull3.2Y-Y
15.
 
Sony A7S IIIYstereo / monoYYfull3.2Y-Y
16.
 
Sony A6100Ystereo / monoY-micro2.0YYY
17.
 
Sony A6400Ystereo / monoY-micro2.0YYY

It is notable that the A7 IV offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the S1 does not provide wifi capability.

The A7 IV is a recent model that features in the current product line-up of Sony. In contrast, the S1 has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the S1 was succeeded by the Leica S2. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Leica and Sony websites.

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Review summary

So what is the bottom line? Is there a clear favorite between the Leica S1 and the Sony A7 IV? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.

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Reasons to prefer the Leica S1 Pro:

  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • More prestigious: Has the Leica luxury appeal, which ensures a high resale price.
  • More heavily discounted: Has been available for much longer (launched in August 1996).

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Arguments in favor of the Sony Alpha A7 IV:

  • More detail: Has more megapixels (32.7 vs 26.4MP), which boosts linear resolution by 16%.
  • Broader imaging potential: Can capture not only stills but also 4K/60p video.
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Rear screen: Has a backside LCD (3.0") for image review and settings control.
  • 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 (10 vs 0.01 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (131x96mm vs 339x214mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 1841g or 74 percent) and is thus easier to take along.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • More affordable: Was introduced into a lower priced category (88 percent cheaper at launch).
  • More modern: Reflects 25 years and 1 month of technical progress since the S1 launch.

If the count of individual advantages (bullet points above) is taken as a guide, the A7 IV is the clear winner of the contest (20 : 3 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 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.

S1 03:20 A7 IV

How about other alternatives? Do the specifications of the Leica S1 and the Sony A7 IV 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 S1 and the A7 IV in practical situations. 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 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 S1............ Aug 1996 US$ 21 499ebay.com
2.
 
Sony A7 IV5/5+ +4.5/589/1004.5/54.5/5 Oct 2021 US$ 2 499 amazon.com
3.
 
Canon RP4/5+4/5..4.5/54/5 Feb 2019 US$ 1 299 amazon.com
4.
 
Canon SL34/5o4.5/579/1004/54/5 Apr 2019 US$ 599 amazon.com
5.
 
Fujifilm X-T305/5+ +5/584/1004.5/54.5/5 Feb 2019 US$ 899ebay.com
6.
 
Leica CL....4.2/5....4/5 Nov 2017 US$ 2 795ebay.com
7.
 
Leica M-E Typ 240............ Jun 2019 US$ 3 999ebay.com
8.
 
Leica Q Typ 1165/5....80/1004.5/54.5/5 Jun 2015 US$ 4 249ebay.com
9.
 
Leica S2............ Sep 2008 US$ 22 999ebay.com
10.
 
Leica TL23.5/5..3/5..4/54/5 Jul 2017 US$ 1 949ebay.com
11.
 
Sony A15/5o4.5/593/1004.5/55/5 Jan 2021 US$ 6 499 amazon.com
12.
 
Sony A7 III..+ +4.5/589/1005/55/5 Feb 2018 US$ 1 999 amazon.com
13.
 
Sony A7R IIIA..+ +4/590/1004.5/55/5 Apr 2021 US$ 3 199 amazon.com
14.
 
Sony A7R V5/5+ +4.5/592/100.... Oct 2022 US$ 3 899 amazon.com
15.
 
Sony A7S III4.5/5+ +5/591/1004.5/55/5 Jul 2020 US$ 3 499 amazon.com
16.
 
Sony A6100....4/582/1004/55/5 Aug 2019 US$ 749ebay.com
17.
 
Sony A64004/5+4/585/1004.5/54/5 Jan 2019 US$ 899 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 comparisons of ratings among very different cameras or across long time periods 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? In case you would like to check on the differences and similarities of other camera models, just make your choice using the following search menu. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Leica S1 vs Sony A7 IV

    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 S1 Sony A7 IV
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Leica R mount lenses Sony E mount lenses
    Launch Date August 1996 October 2021
    Launch Price USD 21,499 USD 2,499
    Sensor Specs Leica S1 Sony A7 IV
    Sensor Technology CCD BSI-CMOS
    Sensor Format Medium Format Sensor Full Frame Sensor
    Sensor Size 36.0 x 36.0 mm 35.9 x 23.9 mm
    Sensor Area 1296 mm2 858.01 mm2
    Sensor Diagonal 50.9 mm 43.1 mm
    Crop Factor 0.85x 1.0x
    Sensor Resolution 26.4 Megapixels 32.7 Megapixels
    Image Resolution 5140 x 5140 pixels 7008 x 4672 pixels
    Pixel Pitch 7.01 μm 5.12 μm
    Pixel Density 2.04 MP/cm2 3.82 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability no Video 4K/60p Video
    ISO Setting 50 - 1,600 ISO 100 - 51,200 ISO
    ISO Boost no Enhancement 50 - 204,800 ISO
    DXO Sensor Quality (score) .. 97
    DXO Color Depth (bits) .. 25.4
    DXO Dynamic Range (EV) .. 14.7
    DXO Low Light (ISO) .. 3379
    Screen Specs Leica S1 Sony A7 IV
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.78x
    Viewfinder Resolution 3686k dots
    LCD Framing Live View
    Rear LCD Size 3.0inch
    LCD Resolution no LCD 1037k dots
    LCD Attachment Swivel screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Leica S1 Sony A7 IV
    Focus System Manual Focus On-Sensor Phase-detect
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) .. 1/8000s
    Continuous Shooting 0.01 shutter flaps/s 10 shutter flaps/s
    Electronic Shutterno E-ShutterYES
    Image Stabilizationno shake reductionIn-body stabilization
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium external CFexA or SDXC cards
    Single or Dual Card Slots Dual card slots
    Connectivity Specs Leica S1 Sony A7 IV
    External Flash no Hotshoe Hotshoe
    USB Connector no USB USB 3.2
    HDMI Port no HDMI full HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support no Wifi Wifi built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Leica S1 Sony A7 IV
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type external Sony NP-FZ100
    In-Camera Charging no USB charging USB charging
    Body Dimensions 339 x 214 x 119 mm
    (13.3 x 8.4 x 4.7 in)
    131 x 96 x 80 mm
    (5.2 x 3.8 x 3.1 in)
    Camera Weight 2500 g (88.2 oz) 659 g (23.2 oz)
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