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Fujifilm GFX 100S II vs Panasonic S1R

The Fujifilm GFX 100S II and the Panasonic Lumix DC-S1R are two digital cameras that were announced, respectively, in May 2024 and February 2019. Both the GFX 100S II and the S1R are mirrorless interchangeable lens cameras that are based on a medium format (GFX 100S II) and a full frame (S1R) sensor. The Fujifilm has a resolution of 101.8 megapixels, whereas the Panasonic provides 46.7 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 II
versus
Panasonic S1R
Fujifilm GFX 100S II   Panasonic S1R
Mirrorless system camera Mirrorless system camera
Fujifilm G mount lenses Leica L mount lenses
101.8 MP – Medium Format sensor 46.7 MP – Full Frame sensor
4K/30p Video 4K/60p Video
ISO 100-12,800 (50 - 102,400) ISO 100-25,600 (50 - 51,200)
Electronic viewfinder (5760k dots) Electronic viewfinder (5760k dots)
3.2" LCD – 2360k dots 3.2" LCD – 2100k dots
Fully flexible touchscreen Fully flexible touchscreen
7 shutter flaps per second 9 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodyWeathersealed body
530 shots per battery charge380 shots per battery charge
150 x 104 x 87 mm, 883 g 149 x 110 x 97 mm, 1016 g
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Check GFX 100S II price at
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Check S1R offers at
ebay.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm GFX 100S II and the Panasonic Lumix DC-S1R? 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 side-by-side display below illustrates the physical size and weight of the Fujifilm GFX 100S II and the Panasonic S1R. 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 dimensions are rounded to the nearest millimeter.

Size Fujifilm GFX 100S II vs Panasonic S1R
Compare GFX 100S II versus S1R top
Comparison GFX 100S II or S1R rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic S1R is somewhat larger (5 percent) than the Fujifilm GFX 100S II. Moreover, the S1R is markedly heavier (15 percent) than the GFX 100S II. 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 II gets 530 shots out of its Fujifilm NP-W235 battery, while the S1R can take 380 images on a single charge of its Panasonic DMW-BLJ31 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. If you want to switch the focus of the display and review another camera pair, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons 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.
 
Fujifilm GFX 100S II 150 mm 104 mm 87 mm 883 g 530 Y May 2024 US$ 4 999 amazon.com
2.
 
Panasonic S1R 149 mm 110 mm 97 mm 1016 g 380 Y Feb 2019 US$ 3 699ebay.com
3.
 
Canon R3 150 mm 143 mm 87 mm 1015 g 760 Y Sep 2021 US$ 5 999 amazon.com
4.
 
Canon R5 Mark II 138 mm 98 mm 88 mm 746 g 340 Y Jul 2024 US$ 4 299 amazon.com
5.
 
Fujifilm GFX 50R 161 mm 97 mm 66 mm 775 g 400 Y Sep 2018 US$ 4 499ebay.com
6.
 
Fujifilm GFX 50S II 150 mm 104 mm 87 mm 900 g 440 Y Sep 2021 US$ 3 999 amazon.com
7.
 
Fujifilm GFX 100 156 mm 144 mm 75 mm 1320 g 800 Y May 2019 US$ 9 999ebay.com
8.
 
Fujifilm GFX 100 II 152 mm 117 mm 99 mm 1030 g 540 Y Sep 2023 US$ 7 499 amazon.com
9.
 
Fujifilm GFX 100RF 134 mm 90 mm 77 mm 735 g 820 Y Mar 2025 US$ 4 899 amazon.com
10.
 
Fujifilm GFX 100S 150 mm 104 mm 87 mm 900 g 460 Y Jan 2021 US$ 5 999 amazon.com
11.
 
Hasselblad X2D 100C 149 mm 106 mm 75 mm 895 g 420 Y Sep 2022 US$ 8 199 amazon.com
12.
 
Leica SL3-S 141 mm 108 mm 85 mm 852 g 315 Y Jan 2025 US$ 5 299 amazon.com
13.
 
Nikon Z7 134 mm 101 mm 67 mm 675 g 330 Y Aug 2018 US$ 3 399ebay.com
14.
 
Panasonic S1 149 mm 110 mm 97 mm 1017 g 400 Y Feb 2019 US$ 2 499ebay.com
15.
 
Panasonic S1H 151 mm 114 mm 110 mm 1052 g 400 Y May 2019 US$ 3 999 amazon.com
16.
 
Panasonic S1R II 134 mm 102 mm 92 mm 795 g 350 Y May 2025 US$ 3 299 amazon.com
17.
 
Sony A99 II 143 mm 104 mm 76 mm 849 g 490 Y Sep 2016 US$ 3 199ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

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 S1R was launched at a markedly lower price (by 26 percent) than the GFX 100S II, 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 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. 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 tend to be associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Fujifilm GFX 100S II features a medium format sensor and the Panasonic S1R a full frame sensor. The sensor area in the S1R is 40 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 0.79 and 1.0. The sensor in the GFX 100S II has a native 4:3 aspect ratio, while the one in the S1R offers a 3:2 aspect.

Fujifilm GFX 100S II and Panasonic S1R sensor measures

With 101.8MP, the GFX 100S II offers a higher resolution than the S1R (46.7MP), but the GFX 100S II has smaller individual pixels (pixel pitch of 3.76μm versus 4.30μm for the S1R). However, the GFX 100S II is a much more recent model (by 5 years and 3 months) than the S1R, 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 II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the GFX 100S II 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 Panasonic S1R are 41.8 x 27.9 inches or 106.3 x 70.9 cm for good quality, 33.5 x 22.3 inches or 85 x 56.7 cm for very good quality, and 27.9 x 18.6 inches or 70.8 x 47.3 cm for excellent quality prints.

The GFX 100S II 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 Fujifilm GFX 100S II 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 Panasonic Lumix DC-S1R are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 50-51200.

In terms of underlying technology, the GFX 100S II is build around a BSI-CMOS sensor, while the S1R 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 II versus S1R 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 following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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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 II Medium Format 101.8 11648 87364K/30p25.915.13720101
2.
 
Panasonic S1R Full Frame 46.7 8368 55844K/60p26.414.13525100
3.
 
Canon R3 Full Frame 24.0 6000 40006K/60p25.014.7408696
4.
 
Canon R5 Mark II Full Frame 44.8 8192 54648k/60p25.414.8333297
5.
 
Fujifilm GFX 50R Medium Format 51.1 8256 61921080/30p25.714.4316998
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.
 
Fujifilm GFX 100RF Medium Format 101.8 11648 87364K/30p25.915.13805101
10.
 
Fujifilm GFX 100S Medium Format 101.8 11648 87364K/30p25.814.73391100
11.
 
Hasselblad X2D 100C Medium Format 102.1 11656 8762none25.914.93550101
12.
 
Leica SL3-S Full Frame 24.0 6000 40006K/30p25.414.8338397
13.
 
Nikon Z7 Full Frame 45.4 8256 55044K/30p26.314.6266899
14.
 
Panasonic S1 Full Frame 24.0 6000 40004K/60p25.214.5333395
15.
 
Panasonic S1H Full Frame 24.0 6000 40006K/30p25.214.2280594
16.
 
Panasonic S1R II Full Frame 44.2 8144 54248K/30p25.414.8340697
17.
 
Sony A99 II Full Frame 42.2 7952 53044K/30p25.413.4231792
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 S1R provides a faster frame rate than the GFX 100S II. It can shoot movie footage at 4K/60p, while the Fujifilm is limited to 4K/30p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. The GFX 100S II and the S1R are similar in the sense that both feature an electronic viewfinder, which is helpful when framing images in bright sunlight. Moreover, their viewfinders offer an identical resolution of 5760k dots. The adjacent table lists some of the other core features of the Fujifilm GFX 100S II and Panasonic S1R along with similar information for a selection of comparators.

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Core Features
  empty Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Fujifilm GFX 100S II5760 Y3.2 / 2360 full-flex Y 1/4000s 7.0/s n Y
2.
 
Panasonic S1R5760 Y3.2 / 2100 full-flex Y 1/8000s 9.0/s n Y
3.
 
Canon R35760 Y3.2 / 4150 swivel Y 1/8000s 12.0/s n Y
4.
 
Canon R5 Mark II5760 Y3.2 / 2100 swivel Y 1/8000s 12.0/s n Y
5.
 
Fujifilm GFX 50R3690 n3.2 / 2360 tilting 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.
 
Fujifilm GFX 100RF5760 n3.2 / 2100 tilting Y 1/4000s 6.0/s n n
10.
 
Fujifilm GFX 100S3690 Y3.2 / 2360 full-flex Y 1/4000s 5.0/s n Y
11.
 
Hasselblad X2D 100C5760 Y3.6 / 2360 tilting Y 1/4000s 3.3/s n Y
12.
 
Leica SL3-S5760 Y3.2 / 2333 tilting Y 1/8000s 30.0/s n Y
13.
 
Nikon Z73690 Y3.2 / 2100 tilting Y 1/8000s 9.0/s n Y
14.
 
Panasonic S15760 Y3.2 / 2100 full-flex Y 1/8000s 9.0/s n Y
15.
 
Panasonic S1H5760 Y3.2 / 2330 swivel Y 1/8000s 9.0/s n Y
16.
 
Panasonic S1R II5760 n3.2 / 1840 full-flex Y 1/8000s 9.0/s n Y
17.
 
Sony A99 II2400 Y3.0 / 1229 full-flex n 1/8000s 12.0/s n Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

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 Fujifilm GFX 100S II and the Panasonic S1R 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 GFX 100S II writes its imaging data to SDXC cards, while the S1R uses SDXC or XQD cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. Moreover, both the GFX 100S II and the S1R support UHS-II cards, which provide for Ultra High Speed data transfer of up to 312 MB/s, on both slots.

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 II and Panasonic Lumix DC-S1R 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 100S IIYstereo / monoYYmicro3.2Y-Y
2.
 
Panasonic S1RYstereo / monoYYfull3.1Y-Y
3.
 
Canon R3Ystereo / monoYYmicro3.2Y-Y
4.
 
Canon R5 Mark IIYmono / monoYYfull3.2Y-Y
5.
 
Fujifilm GFX 50RYstereo / monoYYmicro3.0Y-Y
6.
 
Fujifilm GFX 50S IIYstereo / monoYYmicro3.2Y--
7.
 
Fujifilm GFX 100Ystereo / monoYYmicro3.1Y-Y
8.
 
Fujifilm GFX 100 IIYstereo / monoYYfull3.2Y-Y
9.
 
Fujifilm GFX 100RFYstereo / monoYYmicro3.2Y-Y
10.
 
Fujifilm GFX 100SYstereo / monoYYmicro3.2Y-Y
11.
 
Hasselblad X2D 100CYstereo / mono---3.2Y--
12.
 
Leica SL3-SYstereo / monoYYfull3.2Y-Y
13.
 
Nikon Z7Ystereo / monoYYmicro3.1Y-Y
14.
 
Panasonic S1Ystereo / monoYYfull3.1Y-Y
15.
 
Panasonic S1HYstereo / monoYYfull3.1Y-Y
16.
 
Panasonic S1R IIYstereo / monoYYfull3.2Y-Y
17.
 
Sony A99 IIYstereo / monoYYmicro2.0YYY

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

The GFX 100S II is a recent model that features in the current product line-up of Fujifilm. In contrast, the S1R has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the S1R was succeeded by the Panasonic S1R II. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Fujifilm and Panasonic websites.

Review summary

So what is the bottom line? Which of the two cameras – the Fujifilm GFX 100S II or the Panasonic S1R – 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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Arguments in favor of the Fujifilm GFX 100S II:

  • More detail: Offers more megapixels (101.8 vs 46.7MP) with a 45% higher linear resolution.
  • Better image quality: Features a larger and more technologically advanced imaging sensor.
  • Richer colors: The sensor size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger sensor captures a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger sensor produces good images even in poorly lit environments.
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.84x vs 0.78x).
  • More detailed LCD: Has a higher resolution rear screen (2360k vs 2100k dots).
  • Less heavy: Is lighter (by 133g or 13 percent) and hence easier to carry around.
  • Longer lasting: Can take more shots (530 versus 380) on a single battery charge.
  • Faster data transfer: Supports a more advanced USB protocol (3.2 vs 3.1).
  • More modern: Reflects 5 years and 3 months of technical progress since the S1R launch.

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Advantages of the Panasonic Lumix DC-S1R:

  • Better video: Provides higher movie framerates (4K/60p versus 4K/30p).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (9 vs 7 flaps/sec) to capture the decisive moment.
  • More solid recording: Has a full-sized HDMI port for a sturdy connection to an external recorder.
  • More affordable: Was introduced into a lower priced category (26 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in February 2019).

If the number of relative strengths (bullet points above) is taken as a guide, the GFX 100S II is the clear winner of the match-up (12 : 6 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 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 II 12:06 S1R

How about other alternatives? Do the specifications of the Fujifilm GFX 100S II and the Panasonic S1R 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 GFX 100S II and the S1R in practical situations. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.

Expert reviews

This is where reviews by experts come in. The following table reports the overall ratings of the cameras as published by some of the major 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
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Fujifilm GFX 100S II............ May 2024 US$ 4 999 amazon.com
2.
 
Panasonic S1R4.5/5..4.6/589/1004.5/54.5/5 Feb 2019 US$ 3 699ebay.com
3.
 
Canon R35/5o4.5/5..5/54.5/5 Sep 2021 US$ 5 999 amazon.com
4.
 
Canon R5 Mark II......93/100.... Jul 2024 US$ 4 299 amazon.com
5.
 
Fujifilm GFX 50R5/5..5/584/1004.5/54.5/5 Sep 2018 US$ 4 499ebay.com
6.
 
Fujifilm GFX 50S II5/5..5/587/100..5/5 Sep 2021 US$ 3 999 amazon.com
7.
 
Fujifilm GFX 1004.5/5+ +4.8/590/1005/54.5/5 May 2019 US$ 9 999ebay.com
8.
 
Fujifilm GFX 100 II5/5+5/5....4.5/5 Sep 2023 US$ 7 499 amazon.com
9.
 
Fujifilm GFX 100RF............ Mar 2025 US$ 4 899 amazon.com
10.
 
Fujifilm GFX 100S5/5+ +5/590/1005/55/5 Jan 2021 US$ 5 999 amazon.com
11.
 
Hasselblad X2D 100C4/5..5/5...... Sep 2022 US$ 8 199 amazon.com
12.
 
Leica SL3-S............ Jan 2025 US$ 5 299 amazon.com
13.
 
Nikon Z75/5+4.8/589/1004.5/55/5 Aug 2018 US$ 3 399ebay.com
14.
 
Panasonic S14.5/5+ +4.5/588/1004.5/54/5 Feb 2019 US$ 2 499ebay.com
15.
 
Panasonic S1H....4/590/100.... May 2019 US$ 3 999 amazon.com
16.
 
Panasonic S1R II............ May 2025 US$ 3 299 amazon.com
17.
 
Sony A99 II....4.5/585/1004.5/54.5/5 Sep 2016 US$ 3 199ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, though. The assessments were made in relation to similar cameras of the same technological generation. 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, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

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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. 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 II vs Panasonic S1R

    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 II Panasonic S1R
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Fujifilm G mount lenses Leica L mount lenses
    Launch Date May 2024 February 2019
    Launch Price USD 4,999 USD 3,699
    Sensor Specs Fujifilm GFX 100S II Panasonic S1R
    Sensor Technology BSI-CMOS CMOS
    Sensor Format Medium Format Sensor Full Frame Sensor
    Sensor Size 43.8 x 32.9 mm 36.0 x 24.0 mm
    Sensor Area 1441.02 mm2 864 mm2
    Sensor Diagonal 54.8 mm 43.3 mm
    Crop Factor 0.79x 1.0x
    Sensor Resolution 101.8 Megapixels 46.7 Megapixels
    Image Resolution 11648 x 8736 pixels 8368 x 5584 pixels
    Pixel Pitch 3.76 μm 4.30 μm
    Pixel Density 7.06 MP/cm2 5.41 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 4K/30p Video 4K/60p Video
    ISO Setting 100 - 12,800 ISO 100 - 25,600 ISO
    ISO Boost 50 - 102,400 ISO 50 - 51,200 ISO
    Image Processor X-Processor 5 Venus
    DXO Sensor Quality (score) .. 100
    DXO Color Depth (bits) .. 26.4
    DXO Dynamic Range (EV) .. 14.1
    DXO Low Light (ISO) .. 3525
    Screen Specs Fujifilm GFX 100S II Panasonic S1R
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.84x 0.78x
    Viewfinder Resolution 5760k dots 5760k dots
    Top-Level Screen Control Panel Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.2inch
    LCD Resolution 2360k dots 2100k dots
    LCD Attachment Fully flexible screen Fully flexible screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Fujifilm GFX 100S II Panasonic S1R
    Focus System On-Sensor Phase-detect Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 7 shutter flaps/s 9 shutter flaps/s
    Electronic Shutterup to 1/32000sup to 1/8000s
    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 SDXC or XQD cards
    Single or Dual Card Slots Dual card slots Dual card slots
    UHS card support Dual UHS-II Dual UHS-II
    Connectivity Specs Fujifilm GFX 100S II Panasonic S1R
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket PC Sync socket
    USB Connector USB 3.2 USB 3.1
    HDMI Port micro HDMI full 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 Bluetooth built-in
    Body Specs Fujifilm GFX 100S II Panasonic S1R
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Fujifilm NP-W235 Panasonic DMW-BLJ31
    Battery Life (CIPA)530 shots per charge380 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 150 x 104 x 87 mm
    (5.9 x 4.1 x 3.4 in)
    149 x 110 x 97 mm
    (5.9 x 4.3 x 3.8 in)
    Camera Weight 883 g (31.1 oz) 1016 g (35.8 oz)
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