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Fujifilm X-T100 vs Sony A7S III

The Fujifilm X-T100 and the Sony Alpha 7S III are two digital cameras that were officially introduced, respectively, in May 2018 and July 2020. Both the X-T100 and the A7S III are mirrorless interchangeable lens cameras that are based on an APS-C (X-T100) 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 X-T100 versus Sony A7S III
Fujifilm X-T100 Sony A7S III
Mirrorless system camera Mirrorless system camera
Fujifilm X mount lenses Sony E mount lenses
24 MP, APS-C Sensor 12 MP, Full Frame Sensor
4K/15p 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
Fully flexible touchscreen Swivel touchscreen
6 shutter flaps per second 10 shutter flaps per second
Lens stabilization onlyIn-body stabilization
not weather sealedWeathersealed body
430 shots per battery charge600 shots per battery charge
121 x 83 x 47 mm, 448 g 127 x 97 x 81 mm, 699 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm X-T100 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.

Body comparison

The side-by-side display below illustrates the physical size and weight of the Fujifilm X-T100 and the Sony A7S III. 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.

The X-T100 can be obtained in three different colors (black, silver, gold), while the A7S III is only available in black.

Size Fujifilm X-T100 vs Sony A7S III
Compare X-T100 versus A7S III top
Comparison X-T100 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 (23 percent) than the Fujifilm X-T100. Moreover, the A7S III is substantially heavier (56 percent) than the X-T100. It is noteworthy in this context that the A7S III is splash and dust-proof, while the X-T100 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 Fujinon X Lens Catalog (X-T100) and the Sony FE Lens Catalog (A7S III). 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.

Concerning battery life, the X-T100 gets 430 shots out of its NP-W126S battery, while the A7S III can take 600 images on a single charge of its 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 would like to visualize and compare a different camera combination, just use the right or left arrows in the table to switch to the respective camera. Alternatively, you can also navigate to the CAM-parator app and make your selection from the full list of cameras there.

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Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life 1
Weather
Sealing
Camera
Launch 2
Launch
Price (USD)
Street
Price
 
Fujifilm X-T100 4.8 in 3.3 in 1.9 in 15.8 oz 430 n May 2018 599i
 
Sony A7S III 5.0 in 3.8 in 3.2 in 24.7 oz 600 Y Jul 2020 3,499 i
 
Fujifilm X-T200 4.8 in 3.3 in 2.2 in 13.1 oz 270 n Jan 2020 699 i
 
Fujifilm X-Pro3 5.6 in 3.3 in 1.8 in 17.5 oz 440 Y Oct 2019 1,799 i
 
Fujifilm X-T30 4.6 in 3.3 in 1.9 in 13.5 oz 380 n Feb 2019 899 i
 
Fujifilm X-A7 4.7 in 2.7 in 1.6 in 11.3 oz 440 n Sep 2019 499 i
 
Fujifilm X-A5 4.6 in 2.7 in 1.6 in 12.7 oz 450 n Jan 2018 399i
 
Fujifilm XF10 4.4 in 2.5 in 1.6 in 9.8 oz 330 n Jul 2018 499 i
 
Fujifilm X-T3 5.2 in 3.7 in 2.3 in 19.0 oz 390 Y Sep 2018 1,499 i
 
Fujifilm X100F 5.0 in 3.0 in 2.0 in 16.5 oz 390 n Jan 2017 1,299i
 
Fujifilm X-E3 4.8 in 2.9 in 1.7 in 11.9 oz 350 n Sep 2017 899 i
 
Fujifilm X-T20 4.6 in 3.3 in 1.6 in 13.5 oz 350 n Jan 2017 899 i
 
Sony A9 II 5.1 in 3.8 in 3.0 in 23.9 oz 690 Y Oct 2019 4,499 i
 
Sony A7R IV 5.1 in 3.8 in 3.1 in 23.5 oz 670 Y Jul 2019 3,499 i
 
Sony A7R III 5.0 in 3.8 in 2.9 in 22.9 oz 650 Y Oct 2017 3,199i
 
Sony A7R II 5.0 in 3.8 in 2.4 in 22.0 oz 290 Y Jun 2015 3,199i
 
Sony A7S II 5.0 in 3.8 in 2.4 in 22.1 oz 370 Y Sep 2015 2,999i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
(1) Number of images that can be taken on a full battery charge according to the CIPA-standard; (2) Official announcement.

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 X-T100 was launched at a markedly lower price (by 83 percent) than the A7S III, 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 imaging sensor is at the core of digital cameras and its size is one of the main determining factors 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. 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 Fujifilm X-T100 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 X-T100 and Sony A7S III sensor measures

Despite having a smaller sensor, the Fujifilm X-T100 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 2 years and 2 months) than the X-T100, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units.

The resolution advantage of the Fujifilm X-T100 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the X-T100 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 X-T100 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Fujifilm X-T100 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.

X-T100 versus A7S III MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
 
Fujifilm X-T100 APS-C 24.0 6000 40004K/15p........
 
Sony A7S III Full Frame 12.0 4240 28324K/120p........
 
Fujifilm X-T200 APS-C 24.0 6000 40004K/30p........
 
Fujifilm X-Pro3 APS-C 26.0 6240 41604K/30p........
 
Fujifilm X-T30 APS-C 26.0 6240 41604K/30p........
 
Fujifilm X-A7 APS-C 24.0 6000 40004K/30p........
 
Fujifilm X-A5 APS-C 24.0 6000 40004K/15p........
 
Fujifilm XF10 APS-C 24.0 6000 40004K/15p........
 
Fujifilm X-T3 APS-C 26.0 6240 41604K/60p........
 
Fujifilm X100F APS-C 24.0 6000 40001080/60p........
 
Fujifilm X-E3 APS-C 24.0 6000 40004K/30p........
 
Fujifilm X-T20 APS-C 24.0 6000 40004K/30p........
 
Sony A9 II Full Frame 24.0 6000 40004K/30p25.014.0343493
 
Sony A7R IV Full Frame 60.2 9504 63364K/30p........
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498
 
Sony A7S II Full Frame 12.0 4240 28324K/30p23.613.3299385

Many modern cameras cannot only take still pictures, but also record videos. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the A7S III provides a faster frame rate than the X-T100. It can shoot movie footage at 4K/120p, while the Fujifilm is limited to 4K/15p.

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 X-T100 (9440k vs 2360k dots). The adjacent table lists some of the other core features of the Fujifilm X-T100 and Sony A7S III along with similar information for a selection of comparators.

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Core Features
  Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
(000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
 
Fujifilm X-T1002360 n 3.0 1040 full-flex Y 1/4000s 6.0 Y n
 
Sony A7S III9440 n 3.0 1440 swivel Y 1/8000s 10.0 n Y
 
Fujifilm X-T2002360 n 3.5 2780 swivel Y 1/4000s 8.0 Y n
 
Fujifilm X-Pro33690 n 3.0 1620 tilting Y 1/8000s 8.0 n n
 
Fujifilm X-T302360 n 3.0 1040 tilting Y 1/4000s 8.0 Y n
 
Fujifilm X-A7none n 3.5 2760 swivel Y 1/4000s 6.0 Y n
 
Fujifilm X-A5none n 3.0 1040 tilting Y 1/4000s 6.0 Y n
 
Fujifilm XF10none n 3.0 1040 fixed Y 1/4000s 6.0 Y n
 
Fujifilm X-T33690 n 3.0 1040 tilting Y 1/8000s 11.0 n n
 
Fujifilm X100F2360 n 3.0 1040 fixed n 1/4000s 8.0 Y n
 
Fujifilm X-E32360 n 3.0 1040 fixed Y 1/4000s 8.0 n n
 
Fujifilm X-T202360 n 3.0 1040 tilting Y 1/4000s 8.0 Y n
 
Sony A9 II3686 n 3.0 1440 tilting Y 1/8000s 10.0 n Y
 
Sony A7R IV5760 n 3.0 1440 tilting Y 1/8000s 10.0 n Y
 
Sony A7R III3686 n 3.0 1440 tilting Y 1/8000s 10.0 n Y
 
Sony A7R II2400 n 3.0 1229 tilting n 1/8000s 5.0 n Y
 
Sony A7S II2400 n 3.0 1229 tilting n 1/8000s 5.0 n Y

One difference between the cameras concerns the presence of an on-board flash. The X-T100 has one, while the A7S III does not. While the built-in flash of the X-T100 is not very powerful, it can at times be useful as a fill-in light.

Both cameras have an articulated rear screen that can be turned to be front-facing. This feature will be particularly appreciated by vloggers and photographers who are interested in taking selfies.

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 X-T100 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 X-T100 writes its imaging data to SDXC cards, while the A7S III uses CFexpress or SDXC cards. The A7S III features dual card slots, which can be very useful in case a memory card fails. In contrast, the X-T100 only has one slot. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.

Connectivity comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Fujifilm X-T100 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
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
 
Fujifilm X-T100YstereomonoY-micro2.0Y-Y
 
Sony A7S IIIYstereomonoYYfull3.2Y-Y
 
Fujifilm X-T200YstereomonoYYmicro3.1Y-Y
 
Fujifilm X-Pro3YstereomonoY--3.1Y-Y
 
Fujifilm X-T30YstereomonoY-micro3.1Y-Y
 
Fujifilm X-A7YstereomonoY-mini2.0Y-Y
 
Fujifilm X-A5YstereomonoY-mini2.0Y-Y
 
Fujifilm XF10-stereomonoY-micro2.0Y-Y
 
Fujifilm X-T3YstereomonoYYmicro3.1Y-Y
 
Fujifilm X100FYstereomonoY-micro2.0Y--
 
Fujifilm X-E3YstereomonoY-micro2.0Y-Y
 
Fujifilm X-T20YstereomonoY-micro2.0Y--
 
Sony A9 IIYstereomonoYYmicro3.1YYY
 
Sony A7R IVYstereomonoYYmicro3.1YYY
 
Sony A7R IIIYstereomonoYYmicro3.1YYY
 
Sony A7R IIYstereomonoYYmicro2.0YY-
 
Sony A7S IIYstereomonoYYmicro2.0YY-

It is notable that the A7S III has a headphone jack, which makes it possible to attach external headphones and monitor the quality of sound during the recording process. The X-T100 lacks such a headphone port.

The A7S III is a recent model that features in the current product line-up of Sony. In contrast, the X-T100 has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the X-T100 was succeeded by the Fujifilm X-T200. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Fujifilm and Sony websites.

Review summary

So how do things add up? Is there a clear favorite between the Fujifilm X-T100 and the Sony A7S III? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.

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Advantages of the Fujifilm X-T100:

  • More detail: Offers more megapixels (24 vs 12MP) with a 41% higher linear resolution.
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More compact: Is smaller (121x83mm vs 127x97mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 251g or 36 percent) and hence easier to carry around.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced into a lower priced category (83 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in May 2018).

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Arguments in favor of the Sony Alpha 7S III:

  • 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 movie framerates (4K/120p versus 4K/15p).
  • 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 0.62x).
  • More detailed LCD: Has a higher resolution rear screen (1440k vs 1040k dots).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (10 vs 6 flaps/sec) to capture the decisive moment.
  • Longer lasting: Gets more shots (600 versus 430) 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.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • More modern: Reflects 2 years and 2 months of technical progress since the X-T100 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 (18 : 8 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.

X-T100 08:18 A7S III

How about other alternatives? Do the specifications of the Fujifilm X-T100 and the Sony A7S III 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 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 X-T100 or the A7S III. 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 hands-on reviews by experts are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear review sites (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). 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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Review Scores
  Camera
Model
camera
  labs  
dp
review  
ephoto
  zine  
imaging
resource
photography
  blog  
Camera
Launch
Launch
Price (USD)
Street
Price
 
Fujifilm X-T100+79/1004/5..4.5/5 May 2018 599i
 
Sony A7S III+ +......5/5 Jul 2020 3,499 i
 
Fujifilm X-T200..82/1004/5..4.5/5 Jan 2020 699 i
 
Fujifilm X-Pro3+85/1004/5.... Oct 2019 1,799 i
 
Fujifilm X-T30+ +84/1004.5/55/54.5/5 Feb 2019 899 i
 
Fujifilm X-A7..81/1004/5..3.5/5 Sep 2019 499 i
 
Fujifilm X-A5+..4/54/53.5/5 Jan 2018 399i
 
Fujifilm XF10..75/1004/5..4.5/5 Jul 2018 499 i
 
Fujifilm X-T3+ +88/1005/55/55/5 Sep 2018 1,499 i
 
Fujifilm X100F+83/1004.5/5..4.5/5 Jan 2017 1,299i
 
Fujifilm X-E3+84/1004.5/54.5/54.5/5 Sep 2017 899 i
 
Fujifilm X-T20+ +82/1005/5..4.5/5 Jan 2017 899 i
 
Sony A9 II..90/1005/5..5/5 Oct 2019 4,499 i
 
Sony A7R IV+91/1004.5/55/55/5 Jul 2019 3,499 i
 
Sony A7R III+ +90/1004.5/55/55/5 Oct 2017 3,199i
 
Sony A7R II+ +90/1005/54.5/55/5 Jun 2015 3,199i
 
Sony A7S II+..4.5/55/55/5 Sep 2015 2,999i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated 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. Hence, a score should always be seen in the context of the camera's market launch date and its price, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

Fujifilm X-T100:
Check Ebay offers
Sony A7S III:
Check Amazon price

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.

~

    Specifications: Fujifilm X-T100 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 X-T100 Sony A7S III
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Fujifilm X mount lenses Sony E mount lenses
    Launch Date May 2018 July 2020
    Launch Price USD 599 USD 3,499
    Sensor Specs Fujifilm X-T100 Sony A7S III
    Sensor Technology CMOS BSI-CMOS
    Sensor Format APS-C Sensor Full Frame Sensor
    Sensor Size 23.5 x 15.7 mm 35.6 x 23.8 mm
    Sensor Area 368.95 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 6.50 MP/cm2 1.42 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 4K/15p Video 4K/120p Video
    ISO Setting 200 - 12,800 ISO 80 - 102,400 ISO
    ISO Boost 100 - 51,200 ISO 40 - 409,600 ISO
    Screen Specs Fujifilm X-T100 Sony A7S III
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.62x 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 Fully flexible screen Swivel screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Fujifilm X-T100 Sony A7S III
    Focus System On-Sensor Phase-detect Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 6 shutter flaps/s 10 shutter flaps/s
    Electronic Shutterup to 1/32000sYES
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Build-in Flash no On-Board Flash
    Storage Medium SDXC cards CFexpress or SDXC cards
    Second Storage Option Single card slot Dual card slots
    UHS card support UHS-I UHS-I
    Connectivity Specs Fujifilm X-T100 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 Bluetooth built-in Bluetooth built-in
    Body Specs Fujifilm X-T100 Sony A7S III
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type NP-W126S NP-FZ100
    Battery Life (CIPA)430 shots per charge600 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 121 x 83 x 47 mm
    (4.8 x 3.3 x 1.9 in)
    127 x 97 x 81 mm
    (5.0 x 3.8 x 3.2 in)
    Camera Weight 448 g (15.8 oz) 699 g (24.7 oz)

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