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Fujifilm GFX 100S vs Leica S3

The Fujifilm GFX 100S and the Leica S3 are two professional cameras that were announced, respectively, in January 2021 and September 2018. The GFX 100S is a mirrorless interchangeable lens camera, while the S3 is a DSLR. Both cameras are equipped with a medium format sensor. The Fujifilm has a resolution of 101.8 megapixels, whereas the Leica provides 64 MP.

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

Headline Specifications
Fujifilm GFX 100S
versus
Leica S3
Fujifilm GFX 100S   Leica S3
Mirrorless system camera Digital single lens reflex
Fujifilm G mount lenses Leica S mount lenses
101.8 MP – Medium Format sensor 64 MP – Medium Format sensor
4K/30p Video 4K/24p Video
ISO 100-12,800 (50 - 102,400) ISO 100-50,000
Electronic viewfinder (3690k dots) Optical viewfinder
3.2" LCD – 2360k dots 3.0" LCD – 922k dots
Fully flexible touchscreen Fixed screen (not touch-sensitive)
5 shutter flaps per second 3 shutter flaps per second
In-body stabilizationno shake reduction
Weathersealed bodyWeathersealed body
150 x 104 x 87 mm, 900 g 160 x 120 x 80 mm, 1260 g
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Check GFX 100S price at
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Check S3 offers at
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Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm GFX 100S and the Leica S3? 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 Fujifilm GFX 100S and the Leica S3 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 width, height and depth measures are rounded to the nearest millimeter.

Size Fujifilm GFX 100S vs Leica S3
Compare GFX 100S versus S3 top
Comparison GFX 100S or S3 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Leica S3 is notably larger (23 percent) than the Fujifilm GFX 100S. Moreover, the S3 is substantially heavier (40 percent) than the GFX 100S. 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 GFX 100S gets 460 shots out of its Fujifilm NP-W235 battery, while the S3 can take .. images on a single charge of its Leica BP-PRO1 power pack. The power pack in the GFX 100S can be charged via the USB port, so that it is not always necessary to take the battery charger along 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 (USD)
Street
Price
1.
 
Fujifilm GFX 100S 150 mm 104 mm 87 mm 900 g 460 Y Jan 2021 5,999 amazon.com
2.
 
Leica S3 160 mm 120 mm 80 mm 1260 g .. Y Sep 2018 18,995ebay.com
3.
 
Canon R3 150 mm 143 mm 87 mm 1015 g 760 Y Sep 2021 5,999 amazon.com
4.
 
Fujifilm GFX 50R 161 mm 97 mm 66 mm 775 g 400 Y Sep 2018 4,499ebay.com
5.
 
Fujifilm GFX 50S 148 mm 94 mm 91 mm 740 g 400 Y Sep 2016 6,499ebay.com
6.
 
Fujifilm GFX 50S II 150 mm 104 mm 87 mm 900 g 440 Y Sep 2021 3,999 amazon.com
7.
 
Fujifilm GFX 100 156 mm 144 mm 75 mm 1320 g 800 Y May 2019 9,999ebay.com
8.
 
Fujifilm GFX 100 II 152 mm 117 mm 99 mm 1030 g 540 Y Sep 2023 7,499 amazon.com
9.
 
Hasselblad X1D II 148 mm 97 mm 70 mm 766 g .. Y Jun 2019 5,750ebay.com
10.
 
Hasselblad X2D 100C 149 mm 106 mm 75 mm 895 g 420 Y Sep 2022 8,199 amazon.com
11.
 
Leica M10 139 mm 80 mm 39 mm 660 g 210 Y Jan 2017 6,595ebay.com
12.
 
Leica S2 160 mm 120 mm 80 mm 1410 g .. Y Sep 2008 22,995ebay.com
13.
 
Leica S Typ 006 160 mm 120 mm 80 mm 1260 g .. Y Sep 2012 21,950ebay.com
14.
 
Leica S-E Typ 006 160 mm 120 mm 80 mm 1260 g .. Y Sep 2014 16,900ebay.com
15.
 
Leica S Typ 007 160 mm 120 mm 80 mm 1260 g .. Y Sep 2014 24,490ebay.com
16.
 
Leica SL2 146 mm 107 mm 42 mm 953 g 370 Y Nov 2019 5,999 amazon.com
17.
 
Sony A1 129 mm 97 mm 81 mm 737 g 530 Y Jan 2021 6,499 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 GFX 100S was launched at a markedly lower price (by 68 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.

Both cameras under consideration feature a medium format sensor, but their sensors differ slightly in size. The sensor area in the S3 is 6 percent smaller. As a result of these sensor size differences, the cameras have format factors, respectively, of 0.79 (GFX 100S) and 0.8. The sensor in the GFX 100S has a native 4:3 aspect ratio, while the one in the S3 offers a 3:2 aspect.

Fujifilm GFX 100S and Leica S3 sensor measures

With 101.8MP, the GFX 100S offers a higher resolution than the S3 (64MP), but the GFX 100S has smaller individual pixels (pixel pitch of 3.76μm versus 4.59μm for the S3). However, the GFX 100S is a much more recent model (by 2 years and 4 months) than the S3, 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 Fujifilm GFX 100S implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the GFX 100S for good quality output (200 dots per inch) amounts to 58.2 x 43.7 inches or 147.9 x 110.9 cm, for very good quality (250 dpi) 46.6 x 34.9 inches or 118.3 x 88.8 cm, and for excellent quality (300 dpi) 38.8 x 29.1 inches or 98.6 x 74 cm. The corresponding values for the Leica S3 are 49 x 32.7 inches or 124.5 x 83 cm for good quality, 39.2 x 26.1 inches or 99.6 x 66.4 cm for very good quality, and 32.7 x 21.8 inches or 83 x 55.3 cm for excellent quality prints.

The GFX 100S has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Unlike the S3, the GFX 100S has the capacity to capture high quality composite images (YESMP) by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

The Fujifilm GFX 100S has a native sensitivity range from ISO 100 to ISO 12800, which can be extended to ISO 50-102400. The corresponding ISO settings for the Leica S3 are ISO 100 to ISO 50000 (no boost).

In terms of underlying technology, the GFX 100S is build around a BSI-CMOS sensor, while the S3 uses a 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.

GFX 100S versus S3 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.
 
Fujifilm GFX 100S Medium Format 101.8 11648 87364K/30p25.814.73391100
2.
 
Leica S3 Medium Format 64.0 9800 65334K/24p25.614.4314398
3.
 
Canon R3 Full Frame 24.0 6000 40006K/60p25.014.7408696
4.
 
Fujifilm GFX 50R Medium Format 51.1 8256 61921080/30p25.714.4316998
5.
 
Fujifilm GFX 50S Medium Format 51.1 8256 61921080/30p25.414.1297796
6.
 
Fujifilm GFX 50S II Medium Format 51.1 8256 61921080/30p25.914.83456100
7.
 
Fujifilm GFX 100 Medium Format 101.8 11648 87364K/30p25.714.5322799
8.
 
Fujifilm GFX 100 II Medium Format 101.8 11648 87368K/30p25.915.03651101
9.
 
Hasselblad X1D II Medium Format 51.3 8272 62001080/25p25.714.5323499
10.
 
Hasselblad X2D 100C Medium Format 102.1 11656 8762none25.914.93550101
11.
 
Leica M10 Full Frame 23.8 5952 3992none24.413.2213386
12.
 
Leica S2 Medium Format 37.5 7500 5000none23.912.5222482
13.
 
Leica S Typ 006 Medium Format 37.5 7500 5000none23.912.282476
14.
 
Leica S-E Typ 006 Medium Format 37.5 7500 5000none25.113.7276393
15.
 
Leica S Typ 007 Medium Format 37.5 7500 50004K/24p25.113.7276393
16.
 
Leica SL2 Full Frame 46.7 8368 55844K/60p25.314.3286695
17.
 
Sony A1 Full Frame 49.8 8640 57608k/30p25.914.5316398
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 GFX 100S provides a higher frame rate than the S3. It can shoot video footage at 4K/30p, while the Leica is limited to 4K/24p.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the GFX 100S has an electronic viewfinder (3690k 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 GFX 100S 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 0.77x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The following table reports on some other key feature differences and similarities of the Fujifilm GFX 100S, the Leica S3, 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.
 
Fujifilm GFX 100S3690 Y3.2 / 2360 full-flex Y 1/4000s 5.0/s n Y
2.
 
Leica S3optical Y3.0 / 922 fixed n 1/4000s 3.0/s n n
3.
 
Canon R35760 Y3.2 / 4150 swivel Y 1/8000s 12.0/s n Y
4.
 
Fujifilm GFX 50R3690 n3.2 / 2360 tilting Y 1/4000s 3.0/s n n
5.
 
Fujifilm GFX 50Soptional Y3.2 / 2360 full-flex Y 1/4000s 3.0/s n n
6.
 
Fujifilm GFX 50S II3690 Y3.2 / 2360 full-flex Y 1/4000s 3.0/s n Y
7.
 
Fujifilm GFX 100optional Y3.2 / 2360 full-flex Y 1/4000s 5.0/s n Y
8.
 
Fujifilm GFX 100 II9440 Y3.2 / 2360 full-flex Y 1/4000s 8.0/s n Y
9.
 
Hasselblad X1D II3690 n3.6 / 2360 fixed Y 1/2000s 2.7/s n n
10.
 
Hasselblad X2D 100C5760 Y3.6 / 2360 tilting Y 1/4000s 3.3/s n Y
11.
 
Leica M10optical n3.0 / 1037 fixed n 1/4000s 5.0/s n n
12.
 
Leica S2optical Y3.0 / 460 fixed n 1/4000s 1.5/s n n
13.
 
Leica S Typ 006optical Y3.0 / 922 fixed n 1/4000s 1.5/s n n
14.
 
Leica S-E Typ 006optical Y3.0 / 922 fixed n 1/4000s 1.5/s n n
15.
 
Leica S Typ 007optical Y3.0 / 922 fixed n 1/4000s 3.5/s n n
16.
 
Leica SL25760 Y3.2 / 2100 fixed Y 1/8000s 10.0/s n Y
17.
 
Sony A19437 n3.0 / 1440 tilting 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 differentiates the GFX 100S and the S3 is in-body image stabilization (IBIS). The GFX 100S reduces the risk of handshake-induced blur with all attached lenses, while the S3 offers no blur reduction with lenses that themselves do not provide optical image stabilization.

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 GFX 100S 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 Fujifilm GFX 100S 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 GFX 100S writes its imaging data to SDXC cards, while the S3 uses Compact Flash or SDXC cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. Both cameras support UHS-II cards, which provide for Ultra High Speed data transfer of up to 312 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 Fujifilm GFX 100S and Leica S3 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.
 
Fujifilm GFX 100SYstereo / monoYYmicro3.2Y-Y
2.
 
Leica S3Ystereo / monoYYmini3.0Y--
3.
 
Canon R3Ystereo / monoYYmicro3.2Y-Y
4.
 
Fujifilm GFX 50RYstereo / monoYYmicro3.0Y-Y
5.
 
Fujifilm GFX 50SYstereo / monoYYmicro3.0Y--
6.
 
Fujifilm GFX 50S IIYstereo / monoYYmicro3.2Y--
7.
 
Fujifilm GFX 100Ystereo / monoYYmicro3.1Y-Y
8.
 
Fujifilm GFX 100 IIYstereo / monoYYfull3.2Y-Y
9.
 
Hasselblad X1D IIYstereo / monoYY-3.0Y--
10.
 
Hasselblad X2D 100CYstereo / mono---3.2Y--
11.
 
Leica M10Y- / -----Y--
12.
 
Leica S2Y- / ---mini2.0---
13.
 
Leica S Typ 006Y- / ---mini2.0---
14.
 
Leica S-E Typ 006Y- / ---mini2.0---
15.
 
Leica S Typ 007Ystereo / monoYYmini3.0Y--
16.
 
Leica SL2Ystereo / monoYYfull3.1Y-Y
17.
 
Sony A1Ystereo / monoYYfull3.2Y-Y

Both cameras feature a PC Sync terminal to control professional strobe lights, which will be appreciated by studio photographers.

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.

The GFX 100S is a recent model that features in the current product line-up of Fujifilm. In contrast, the S3 has been discontinued (but can be found pre-owned on ebay). There has not been a direct replacement model for the S3 from Leica. Further information on the features and operation of the GFX 100S and S3 can be found, respectively, in the Fujifilm GFX 100S Manual (free pdf) or the online Leica S3 Manual.

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Review summary

So what is the bottom line? Is the Fujifilm GFX 100S better than the Leica S3 or vice versa? The listing below highlights the relative strengths of the two models.

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Arguments in favor of the Fujifilm GFX 100S:

  • More detail: Offers more megapixels (101.8 vs 64MP) with a 24% higher linear resolution.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better video: Provides higher movie framerates (4K/30p versus 4K/24p).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • 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%).
  • 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 (2360k vs 922k dots).
  • More flexible LCD: Has a full-flex screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • Faster burst: Shoots at higher frequency (5 vs 3 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More compact: Is smaller (150x104mm vs 160x120mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 360g or 29 percent) and hence easier to carry around.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • More affordable: Was introduced into a lower priced category (68 percent cheaper at launch).
  • More modern: Reflects 2 years and 4 months of technical progress since the S3 launch.

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Advantages of the Leica S3:

  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.87x vs 0.77x).
  • Easier geotagging: Features an internal GPS sensor to log localization data.
  • More prestigious: Has the Leica luxury appeal, which ensures a high resale value.
  • More heavily discounted: Has been around for much longer (launched in September 2018).

If the count of relative strengths (bullet points above) is taken as a measure, the GFX 100S is the clear winner of the match-up (21 : 5 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.

GFX 100S 21:05 S3

How about other alternatives? Do the specifications of the Fujifilm GFX 100S and the Leica S3 place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera and Best DSLR 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 GFX 100S or the S3. 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 (USD)
Street
Price
1.
 
Fujifilm GFX 100S5/5+ +5/590/1005/55/5 Jan 2021 5,999 amazon.com
2.
 
Leica S3............ Sep 2018 18,995ebay.com
3.
 
Canon R35/5o4.5/5..5/54.5/5 Sep 2021 5,999 amazon.com
4.
 
Fujifilm GFX 50R5/5..5/584/1004.5/54.5/5 Sep 2018 4,499ebay.com
5.
 
Fujifilm GFX 50S....4.5/585/1005/54.5/5 Sep 2016 6,499ebay.com
6.
 
Fujifilm GFX 50S II5/5..5/587/100..5/5 Sep 2021 3,999 amazon.com
7.
 
Fujifilm GFX 1004.5/5+ +4.8/590/1005/54.5/5 May 2019 9,999ebay.com
8.
 
Fujifilm GFX 100 II5/5+5/5....4.5/5 Sep 2023 7,499 amazon.com
9.
 
Hasselblad X1D II....4/5..4/54/5 Jun 2019 5,750ebay.com
10.
 
Hasselblad X2D 100C4/5..5/5...... Sep 2022 8,199 amazon.com
11.
 
Leica M104.5/5......4/54.5/5 Jan 2017 6,595ebay.com
12.
 
Leica S2............ Sep 2008 22,995ebay.com
13.
 
Leica S Typ 006............ Sep 2012 21,950ebay.com
14.
 
Leica S-E Typ 006............ Sep 2014 16,900ebay.com
15.
 
Leica S Typ 0074/5.......... Sep 2014 24,490ebay.com
16.
 
Leica SL24/5..4.5/5..4.5/54/5 Nov 2019 5,999 amazon.com
17.
 
Sony A15/5o4.5/593/1004.5/55/5 Jan 2021 6,499 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: Fujifilm GFX 100S vs Leica S3

    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 Fujifilm GFX 100S Leica S3
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Fujifilm G mount lenses Leica S mount lenses
    Launch Date January 2021 September 2018
    Launch Price USD 5,999 USD 18,995
    Sensor Specs Fujifilm GFX 100S Leica S3
    Sensor Technology BSI-CMOS CMOS
    Sensor Format Medium Format Sensor Medium Format Sensor
    Sensor Size 43.8 x 32.9 mm 45.0 x 30.0 mm
    Sensor Area 1441.02 mm2 1350 mm2
    Sensor Diagonal 54.8 mm 54.1 mm
    Crop Factor 0.79x 0.8x
    Sensor Resolution 101.8 Megapixels 64 Megapixels
    Image Resolution 11648 x 8736 pixels 9800 x 6533 pixels
    Pixel Pitch 3.76 μm 4.59 μm
    Pixel Density 7.06 MP/cm2 4.74 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 4K/30p Video 4K/24p Video
    ISO Setting 100 - 12,800 ISO 100 - 50,000 ISO
    ISO Boost 50 - 102,400 ISO no Enhancement
    Image Processor X-Processor 4 Maestro II
    Screen Specs Fujifilm GFX 100S Leica S3
    Viewfinder Type Electronic viewfinder Optical viewfinder
    Viewfinder Field of View 100% 98%
    Viewfinder Magnification 0.77x 0.87x
    Viewfinder Resolution 3690k dots
    Top-Level Screen Control Panel Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.0inch
    LCD Resolution 2360k dots 922k dots
    LCD Attachment Fully flexible screen Fixed screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Fujifilm GFX 100S Leica S3
    Focus System On-Sensor Phase-detect Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/4000s
    Continuous Shooting 5 shutter flaps/s 3 shutter flaps/s
    Electronic Shutterup to 1/16000sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationIn-body stabilizationno handshake reduction
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium SDXC cards CF or SDXC cards
    Single or Dual Card Slots Dual card slots Dual card slots
    UHS card support Dual UHS-II UHS-II
    Connectivity Specs Fujifilm GFX 100S Leica S3
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket PC Sync socket
    USB Connector USB 3.2 USB 3.0
    HDMI Port micro HDMI mini HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Bluetooth Support Bluetooth built-in no Bluetooth
    Geotagging no internal GPS GPS built-in
    Body Specs Fujifilm GFX 100S Leica S3
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Fujifilm NP-W235 Leica BP-PRO1
    In-Camera Charging USB charging no USB charging
    Body Dimensions 150 x 104 x 87 mm
    (5.9 x 4.1 x 3.4 in)
    160 x 120 x 80 mm
    (6.3 x 4.7 x 3.1 in)
    Camera Weight 900 g (31.7 oz) 1260 g (44.4 oz)
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