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Fujifilm X100F vs Sony A7S III

The Fujifilm X100F and the Sony Alpha 7S III are two digital cameras that were revealed to the public, respectively, in January 2017 and July 2020. The X100F is a fixed lens compact, while the A7S III is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (X100F) and a full frame (A7S III) sensor. The Fujifilm has a resolution of 24 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
Fujifilm X100F
versus
Sony A7S III
Fujifilm X100F   Sony A7S III
Fixed lens compact camera Mirrorless system camera
35mm f/2.0 Sony E mount lenses
24 MP – APS-C sensor 12 MP – Full Frame sensor
1080/60p Video 4K/120p Video
ISO 200-12,800 (100 - 51,200) ISO 80-102,400 (40 - 409,600)
Electronic viewfinder (2360k dots) Electronic viewfinder (9440k dots)
3.0" LCD – 1040k dots 3.0" LCD – 1440k dots
Fixed screen (not touch-sensitive) Swivel touchscreen
8 shutter flaps per second 10 shutter flaps per second
no shake reductionIn-body stabilization
not weather sealedWeathersealed body
390 shots per battery charge600 shots per battery charge
127 x 75 x 52 mm, 469 g 127 x 97 x 81 mm, 699 g
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Check X100F offers at
ebay.com
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Check A7S III price at
amazon.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm X100F and the Sony Alpha 7S III? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

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Body comparison

The side-by-side display below illustrates the physical size and weight of the Fujifilm X100F and the Sony A7S III. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All size dimensions are rounded to the nearest millimeter.

The X100F can be obtained in two different colors (black, silver), while the A7S III is only available in black.

Size Fujifilm X100F vs Sony A7S III
Compare X100F versus A7S III top
Comparison X100F or A7S III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7S III is notably larger (29 percent) than the Fujifilm X100F. It is noteworthy in this context that the A7S III is splash and dust-proof, while the X100F does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the X100F has a lens built in, whereas the A7S III is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can compare the optics available for the A7S III and their specifications in the Sony FE Lens Catalog.

Concerning battery life, the X100F gets 390 shots out of its Fujifilm NP-W126S battery, while the A7S III can take 600 images on a single charge of its Sony NP-FZ100 power pack. The battery packs of both cameras can be charged via USB, which can be very convenient when travelling.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. 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 (USD)
Street
Price
1.
 
Fujifilm X100F 127 mm 75 mm 52 mm 469 g 390 n Jan 2017 1,299ebay.com
2.
 
Sony A7S III 127 mm 97 mm 81 mm 699 g 600 Y Jul 2020 3,499 amazon.com
3.
 
Canon G1 X Mark III 115 mm 78 mm 51 mm 399 g 200 Y Oct 2017 1,299ebay.com
4.
 
Fujifilm X-A5 117 mm 68 mm 40 mm 361 g 450 n Jan 2018 399ebay.com
5.
 
Fujifilm X-T3 133 mm 93 mm 59 mm 539 g 390 Y Sep 2018 1,499ebay.com
6.
 
Fujifilm X-T100 121 mm 83 mm 47 mm 448 g 430 n May 2018 599ebay.com
7.
 
Fujifilm X100 126 mm 75 mm 54 mm 445 g 300 n Sep 2010 1,199ebay.com
8.
 
Fujifilm X100S 127 mm 74 mm 54 mm 445 g 330 n Jan 2013 1,299ebay.com
9.
 
Fujifilm X100T 127 mm 74 mm 52 mm 440 g 330 n Sep 2014 1,299ebay.com
10.
 
Fujifilm X100V 128 mm 75 mm 53 mm 478 g 420 Y Feb 2020 1,399ebay.com
11.
 
Fujifilm XF10 113 mm 64 mm 41 mm 279 g 330 n Jul 2018 499ebay.com
12.
 
Panasonic FZ2500 138 mm 102 mm 135 mm 915 g 350 n Sep 2016 1,199 amazon.com
13.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 3,199ebay.com
14.
 
Sony A7R IV 129 mm 96 mm 78 mm 665 g 670 Y Jul 2019 3,499ebay.com
15.
 
Sony A7R IVA 129 mm 96 mm 78 mm 665 g 670 Y Apr 2021 3,499 amazon.com
16.
 
Sony A7S II 127 mm 96 mm 60 mm 627 g 370 Y Sep 2015 2,999ebay.com
17.
 
Sony A9 II 129 mm 96 mm 76 mm 678 g 690 Y Oct 2019 4,499 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 obviously take relative prices into account. 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 X100F was launched at a lower price than the A7S III, despite having a lens built in. 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. 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. 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Fujifilm X100F features an APS-C sensor and the Sony A7S III a full frame sensor. The sensor area in the A7S III is 130 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.5 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Fujifilm X100F and Sony A7S III sensor measures

Despite having a smaller sensor, the Fujifilm X100F offers a higher resolution of 24 megapixels, compared with 12 MP of the Sony A7S III. 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 3.92μm versus 8.40μm for the A7S III). Moreover, it should be noted that the A7S III is much more recent (by 3 years and 6 months) than the X100F, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the X100F has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Fujifilm X100F implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the X100F for good quality output (200 dots per inch) amounts to 30 x 20 inches or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inches or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inches or 50.8 x 33.9 cm. The corresponding values for the Sony A7S III 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 Fujifilm X100F has a native sensitivity range from ISO 200 to ISO 12800, which can be extended to ISO 100-51200. The corresponding ISO settings for the Sony Alpha 7S III are ISO 80 to ISO 102400, with the possibility to increase the ISO range to 40-409600.

In terms of underlying technology, the X100F is build around a CMOS sensor, while the A7S III uses a BSI-CMOS imager. The X100F uses Fujifilm's X-Trans layout of photosites, while the A7S III employs the more common Bayer array.

X100F versus A7S III MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). 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 X100F APS-C 24.0 6000 40001080/60p23.913.2170481
2.
 
Sony A7S III Full Frame 12.0 4240 28324K/120p23.713.9252086
3.
 
Canon G1 X Mark III APS-C 24.0 6000 40001080/60p23.813.2164981
4.
 
Fujifilm X-A5 APS-C 24.0 6000 40004K/15p24.013.3180082
5.
 
Fujifilm X-T3 APS-C 26.0 6240 41604K/60p24.013.4185383
6.
 
Fujifilm X-T100 APS-C 24.0 6000 40004K/15p24.013.4182983
7.
 
Fujifilm X100 APS-C 12.2 4288 2848720/30p22.912.4100173
8.
 
Fujifilm X100S APS-C 16.0 4896 32641080/60p23.312.5132975
9.
 
Fujifilm X100T APS-C 16.0 4896 32641080/60p23.612.8148378
10.
 
Fujifilm X100V APS-C 26.0 6240 41604K/30p24.213.6199684
11.
 
Fujifilm XF10 APS-C 24.0 6000 40004K/15p24.013.4184483
12.
 
Panasonic FZ2500 1-inch 20.0 5472 36484K/30p23.012.653870
13.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
14.
 
Sony A7R IV Full Frame 60.2 9504 63364K/30p26.014.8334499
15.
 
Sony A7R IVA Full Frame 60.2 9504 63364K/30p26.014.8334499
16.
 
Sony A7S II Full Frame 12.0 4240 28324K/30p23.613.3299385
17.
 
Sony A9 II Full Frame 24.0 6000 40004K/30p25.014.0343493
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 two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the A7S III provides a better video resolution than the X100F. It can shoot movie footage at 4K/120p, while the Fujifilm is limited to 1080/60p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. The two cameras under review are similar with respect to both having an electronic viewfinder. However, the one in the A7S III offers a substantially higher resolution than the one in the X100F (9440k vs 2360k dots). The table below summarizes some of the other core capabilities of the Fujifilm X100F and Sony A7S III 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.
 
Fujifilm X100F2360 n3.0 / 1040 fixed n 1/4000s 8.0/s Y n
2.
 
Sony A7S III9440 n3.0 / 1440 swivel Y 1/8000s 10.0/s n Y
3.
 
Canon G1 X Mark III2360 n3.0 / 1040 swivel Y 1/2000s 9.0/s Y Y
4.
 
Fujifilm X-A5none n3.0 / 1040 tilting Y 1/4000s 6.0/s Y n
5.
 
Fujifilm X-T33690 n3.0 / 1040 full-flex Y 1/8000s 11.0/s n n
6.
 
Fujifilm X-T1002360 n3.0 / 1040 swivel Y 1/4000s 6.0/s Y n
7.
 
Fujifilm X1001440 n2.8 / 460 fixed n 1/4000s 5.0/s Y n
8.
 
Fujifilm X100S2360 n2.8 / 460 fixed n 1/4000s 6.0/s Y n
9.
 
Fujifilm X100T2360 n3.0 / 1040 fixed n 1/4000s 6.0/s Y n
10.
 
Fujifilm X100V3690 n3.0 / 1620 tilting Y 1/4000s 11.0/s n n
11.
 
Fujifilm XF10none n3.0 / 1040 fixed Y 1/4000s 6.0/s Y n
12.
 
Panasonic FZ25002360 n3.0 / 1040 swivel Y 1/4000s 12.0/s Y Y
13.
 
Sony A7R III3686 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
14.
 
Sony A7R IV5760 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
15.
 
Sony A7R IVA5760 n3.0 / 2340 tilting Y 1/8000s 10.0/s n Y
16.
 
Sony A7S II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
17.
 
Sony A9 II3686 n3.0 / 1440 tilting Y 1/8000s 20.0/s n Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One difference between the cameras concerns the presence of an on-board flash. The X100F has one, while the A7S III does not. While the built-in flash of the X100F is not very powerful, it can at times be useful as a fill-in light.

The A7S III 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 X100F 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, 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 X100F 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 X100F writes its imaging data to SDXC cards, while the A7S III uses CFexpress (type A) or SDXC cards. The A7S III features dual card slots, which can be very useful in case a memory card fails. In contrast, the X100F only has one slot. The A7S III supports UHS-II cards (on both slots), while the X100F can use UHS-I 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 Fujifilm X100F and Sony Alpha 7S III and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Fujifilm X100FYstereo / monoY-micro2.0Y--
2.
 
Sony A7S IIIYstereo / monoYYfull3.2Y-Y
3.
 
Canon G1 X Mark IIIYstereo / mono--micro2.0YYY
4.
 
Fujifilm X-A5Ystereo / monoY-micro2.0Y-Y
5.
 
Fujifilm X-T3Ystereo / monoYYmicro3.1Y-Y
6.
 
Fujifilm X-T100Ystereo / monoY-micro2.0Y-Y
7.
 
Fujifilm X100Ystereo / ---mini2.0---
8.
 
Fujifilm X100SYstereo / mono--micro2.0---
9.
 
Fujifilm X100TYstereo / monoY-micro2.0Y--
10.
 
Fujifilm X100VYstereo / monoY-micro3.1Y-Y
11.
 
Fujifilm XF10-stereo / monoY-micro2.0Y-Y
12.
 
Panasonic FZ2500Ystereo / monoYYmicro2.0Y--
13.
 
Sony A7R IIIYstereo / monoYYmicro3.1YYY
14.
 
Sony A7R IVYstereo / monoYYmicro3.1YYY
15.
 
Sony A7R IVAYstereo / monoYYmicro3.2YYY
16.
 
Sony A7S IIYstereo / monoYYmicro2.0YY-
17.
 
Sony A9 IIYstereo / monoYYmicro3.1YYY

The A7S III is a recent model that features in the current product line-up of Sony. In contrast, the X100F has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the X100F was succeeded by the Fujifilm X100V. Further information on the features and operation of the X100F and A7S III can be found, respectively, in the Fujifilm X100F Manual (free pdf) or the online Sony A7S III Manual.

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Review summary

So what is the bottom line? Is there a clear favorite between the Fujifilm X100F and the Sony A7S III? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.

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Reasons to prefer the Fujifilm X100F:

  • More detail: Offers more megapixels (24 vs 12MP) with a 41% higher linear resolution.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Ready to shoot: Has a lens built-in, whereas the A7S III requires a separate lens.
  • More compact: Is smaller (127x75mm vs 127x97mm) and thus needs less room in the bag.
  • Less heavy: Is lighter even though it comes with a built-in lens (unlike the A7S III).
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More heavily discounted: Has been available for much longer (launched in January 2017).

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Advantages of the Sony Alpha 7S III:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better image quality: Is equipped with a larger and more technologically advanced 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 video: Provides higher definition movie capture (4K/120p vs 1080/60p).
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • More detailed viewfinder: Has higher resolution electronic viewfinder (9440k vs 2360k dots).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.91x vs 0.43x).
  • More detailed LCD: Has a higher resolution rear screen (1440k vs 1040k dots).
  • 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 shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (10 vs 8 flaps/sec) to capture the decisive moment.
  • More flexible: Takes interchangeable lenses and can thus be used with specialty optics.
  • Longer lasting: Gets more shots (600 versus 390) out of a single battery charge.
  • 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.
  • Faster data transfer: Supports a more advanced USB protocol (3.2 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 modern: Reflects 3 years and 6 months of technical progress since the X100F launch.

If the count of relative strengths (bullet points above) is taken as a measure, the A7S III is the clear winner of the contest (25 : 9 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.

X100F 09:25 A7S III

How about other alternatives? Do the specifications of the Fujifilm X100F and the Sony A7S III place the cameras among the top in their class? Find out in the latest Best Prime Lens Compact Camera and Best Mirrorless Interchangeable Lens Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains incomplete and does no justice, for example, to the way the X100F or the A7S III perform in practice. 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 why hands-on reviews by experts are important. 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 (USD)
Street
Price
1.
 
Fujifilm X100F5/5+3.9/583/1004.5/54.5/5 Jan 2017 1,299ebay.com
2.
 
Sony A7S III4.5/5+ +5/591/1004.5/55/5 Jul 2020 3,499 amazon.com
3.
 
Canon G1 X Mark III5/5+4/579/1004.5/54.5/5 Oct 2017 1,299ebay.com
4.
 
Fujifilm X-A5..+4.1/5..4/53.5/5 Jan 2018 399ebay.com
5.
 
Fujifilm X-T35/5+ +4.5/588/1005/55/5 Sep 2018 1,499ebay.com
6.
 
Fujifilm X-T1004/5+4.5/579/1004/54.5/5 May 2018 599ebay.com
7.
 
Fujifilm X1003/5....75/1004/55/5 Sep 2010 1,199ebay.com
8.
 
Fujifilm X100S5/5+ +..81/1004.5/55/5 Jan 2013 1,299ebay.com
9.
 
Fujifilm X100T5/5+..81/1004.5/55/5 Sep 2014 1,299ebay.com
10.
 
Fujifilm X100V5/5+ +4.5/586/1005/54.5/5 Feb 2020 1,399ebay.com
11.
 
Fujifilm XF10....4/575/1004/54.5/5 Jul 2018 499ebay.com
12.
 
Panasonic FZ2500..+..82/1004.5/55/5 Sep 2016 1,199 amazon.com
13.
 
Sony A7R III..+ +4/590/1004.5/55/5 Oct 2017 3,199ebay.com
14.
 
Sony A7R IV5/5+4.5/591/1004.5/55/5 Jul 2019 3,499ebay.com
15.
 
Sony A7R IVA5/5+4.5/591/1004.5/55/5 Apr 2021 3,499 amazon.com
16.
 
Sony A7S II5/5+....4.5/55/5 Sep 2015 2,999ebay.com
17.
 
Sony A9 II....5/590/1005/55/5 Oct 2019 4,499 amazon.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. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

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Check X100F offers at
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Check A7S III price at
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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 your choice using the following search menu. 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: Fujifilm X100F vs Sony A7S III

    Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.

    Camera Specifications
    Camera Model Fujifilm X100F Sony A7S III
    Camera Type Fixed lens compact camera Mirrorless system camera
    Camera Lens 35mm f/2.0 Sony E mount lenses
    Launch Date January 2017 July 2020
    Launch Price USD 1,299 USD 3,499
    Sensor Specs Fujifilm X100F Sony A7S III
    Sensor Technology CMOS BSI-CMOS
    Sensor Format APS-C Sensor Full Frame Sensor
    Sensor Size 23.6 x 15.6 mm 35.6 x 23.8 mm
    Sensor Area 368.16 mm2 847.28 mm2
    Sensor Diagonal 28.3 mm 42.8 mm
    Crop Factor 1.5x 1.0x
    Sensor Resolution 24 Megapixels 12 Megapixels
    Image Resolution 6000 x 4000 pixels 4240 x 2832 pixels
    Pixel Pitch 3.92 μm 8.40 μm
    Pixel Density 6.52 MP/cm2 1.42 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 1080/60p Video 4K/120p Video
    ISO Setting 200 - 12,800 ISO 80 - 102,400 ISO
    ISO Boost 100 - 51,200 ISO 40 - 409,600 ISO
    Image Processor X-Processor Pro BIONZ XR
    DXO Sensor Quality (score) .. 86
    DXO Color Depth (bits) .. 23.7
    DXO Dynamic Range (EV) .. 13.9
    DXO Low Light (ISO) .. 2520
    Screen Specs Fujifilm X100F Sony A7S III
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.43x 0.91x
    Viewfinder Resolution 2360k dots 9440k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1040k dots 1440k dots
    LCD Attachment Fixed screen Swivel screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Fujifilm X100F Sony A7S III
    Focus System On-Sensor Phase-detect On-Sensor Phase-detect
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 8 shutter flaps/s 10 shutter flaps/s
    Electronic Shutterup to 1/32000sYES
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image Stabilizationno shake reductionIn-body stabilization
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDXC cards CFexA or SDXC cards
    Single or Dual Card Slots Single card slot Dual card slots
    UHS card support UHS-I Dual UHS-II
    Connectivity Specs Fujifilm X100F Sony A7S III
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 3.2
    HDMI Port micro HDMI full HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Fujifilm X100F Sony A7S III
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Fujifilm NP-W126S Sony NP-FZ100
    Battery Life (CIPA)390 shots per charge600 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 127 x 75 x 52 mm
    (5.0 x 3.0 x 2.0 in)
    127 x 97 x 81 mm
    (5.0 x 3.8 x 3.2 in)
    Camera Weight 469 g (16.5 oz) 699 g (24.7 oz)
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