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Fujifilm X-M1 vs Sony A7S II

The Fujifilm X-M1 and the Sony Alpha 7S II are two digital cameras that were announced, respectively, in June 2013 and September 2015. Both the X-M1 and the A7S II are mirrorless interchangeable lens cameras that are based on an APS-C (X-M1) and a full frame (A7S II) sensor. The Fujifilm has a resolution of 16 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-M1
versus
Sony A7S II
Fujifilm X-M1   Sony A7S II
Mirrorless system camera Mirrorless system camera
Fujifilm X mount lenses Sony E mount lenses
16 MP – APS-C sensor 12 MP – Full Frame sensor
1080/30p Video 4K/30p Video
ISO 200-6,400 (100 - 25,600) ISO 100-102,400 (50 - 409,600)
No viewfinder, LCD framing Electronic viewfinder (2400k dots)
3.0" LCD – 920k dots 3.0" LCD – 1229k dots
Tilting screen (no touchscreen) Tilting screen (no touchscreen)
5.6 shutter flaps per second 5 shutter flaps per second
Lens stabilization onlyIn-body stabilization
not weather sealedWeathersealed body
350 shots per battery charge370 shots per battery charge
117 x 67 x 39 mm, 330 g 127 x 96 x 60 mm, 627 g
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Check X-M1 offers at
ebay.com
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Check A7S II offers at
ebay.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm X-M1 and the Sony Alpha 7S II? 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

An illustration of the physical size and weight of the Fujifilm X-M1 and the Sony A7S II is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth measures are rounded to the nearest millimeter.

The X-M1 can be obtained in three different colors (black, silver, brown), while the A7S II is only available in black.

Size Fujifilm X-M1 vs Sony A7S II
Compare X-M1 versus A7S II top
Comparison X-M1 or A7S II rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7S II is considerably larger (56 percent) than the Fujifilm X-M1. Moreover, the A7S II is substantially heavier (90 percent) than the X-M1. It is noteworthy in this context that the A7S II is splash and dust-proof, while the X-M1 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-M1) and the Sony FE Lens Catalog (A7S II). 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-M1 gets 350 shots out of its Fujifilm NP-W126 battery, while the A7S II can take 370 images on a single charge of its Sony NP-FW50 power pack. The power pack in the A7S II can be charged via the USB port, which can be very convenient when travelling.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.

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Body Specifications
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Fujifilm X-M1 117 mm 67 mm 39 mm 330 g 350 n Jun 2013 699ebay.com
2.
 
Sony A7S II 127 mm 96 mm 60 mm 627 g 370 Y Sep 2015 2,999ebay.com
3.
 
Fujifilm X-A10 117 mm 67 mm 40 mm 331 g 410 n Dec 2016 399ebay.com
4.
 
Fujifilm X-E2S 129 mm 75 mm 37 mm 350 g 350 n Jan 2016 699ebay.com
5.
 
Fujifilm X-A2 117 mm 67 mm 40 mm 350 g 410 n Jan 2015 399ebay.com
6.
 
Fujifilm X-T10 118 mm 83 mm 41 mm 381 g 350 n May 2015 799ebay.com
7.
 
Fujifilm X-A1 117 mm 67 mm 39 mm 330 g 350 n Sep 2013 399ebay.com
8.
 
Fujifilm X-E2 129 mm 75 mm 37 mm 350 g 350 n Oct 2013 999ebay.com
9.
 
Fujifilm X-E1 129 mm 75 mm 38 mm 350 g 350 n Sep 2012 999ebay.com
10.
 
Fujifilm X-Pro1 140 mm 82 mm 43 mm 450 g 300 n Jan 2012 1,699ebay.com
11.
 
Sony A7 IV 131 mm 96 mm 80 mm 659 g 580 Y Oct 2021 2,499 amazon.com
12.
 
Sony A7S III 127 mm 97 mm 81 mm 699 g 600 Y Jul 2020 3,499 amazon.com
13.
 
Sony A7R IV 129 mm 96 mm 78 mm 665 g 670 Y Jul 2019 3,499ebay.com
14.
 
Sony A7R II 127 mm 96 mm 60 mm 625 g 290 Y Jun 2015 3,199ebay.com
15.
 
Sony A7S 127 mm 94 mm 48 mm 489 g 380 Y Apr 2014 2,499ebay.com
16.
 
Sony NEX-5R 111 mm 59 mm 39 mm 276 g 330 n Aug 2012 749ebay.com
17.
 
Sony NEX-F3 117 mm 67 mm 42 mm 314 g 470 n May 2012 599ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
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Any camera decision will obviously take relative prices into account. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The X-M1 was launched at a markedly lower price (by 77 percent) than the A7S II, which puts it into a different market segment. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down.

Sensor comparison

The 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 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Fujifilm X-M1 features an APS-C sensor and the Sony A7S II a full frame sensor. The sensor area in the A7S II 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-M1 and Sony A7S II sensor measures

Despite having a smaller sensor, the Fujifilm X-M1 offers a higher resolution of 16 megapixels, compared with 12 MP of the Sony A7S II. 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 4.80μm versus 8.40μm for the A7S II). Moreover, it should be noted that the A7S II is much more recent (by 2 years and 2 months) than the X-M1, 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 X-M1 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Fujifilm X-M1 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the X-M1 for good quality output (200 dots per inch) amounts to 24.5 x 16.3 inches or 62.2 x 41.5 cm, for very good quality (250 dpi) 19.6 x 13.1 inches or 49.7 x 33.2 cm, and for excellent quality (300 dpi) 16.3 x 10.9 inches or 41.5 x 27.6 cm. The corresponding values for the Sony A7S II 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 X-M1 has a native sensitivity range from ISO 200 to ISO 6400, which can be extended to ISO 100-25600. The corresponding ISO settings for the Sony Alpha 7S II are ISO 100 to ISO 102400, with the possibility to increase the ISO range to 50-409600.

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. The X-M1 uses Fujifilm's X-Trans layout of photosites, while the A7S II employs the more common Bayer array.

X-M1 versus A7S II 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 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
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Fujifilm X-M1 APS-C 16.0 4896 32641080/30p23.412.6137176
2.
 
Sony A7S II Full Frame 12.0 4240 28324K/30p23.613.3299385
3.
 
Fujifilm X-A10 APS-C 16.0 4896 32641080/30p23.913.2169181
4.
 
Fujifilm X-E2S APS-C 16.0 4896 32641080/60p23.713.0160880
5.
 
Fujifilm X-A2 APS-C 16.0 4896 32641080/30p23.612.8151579
6.
 
Fujifilm X-T10 APS-C 16.0 4896 32641080/60p23.712.9154679
7.
 
Fujifilm X-A1 APS-C 16.0 4896 32641080/30p23.412.6139076
8.
 
Fujifilm X-E2 APS-C 16.0 4896 32641080/60p23.412.6140077
9.
 
Fujifilm X-E1 APS-C 16.0 4896 32641080/24p23.212.4129875
10.
 
Fujifilm X-Pro1 APS-C 16.0 4896 32641080/24p23.112.3123874
11.
 
Sony A7 IV Full Frame 32.7 7008 46724K/60p25.414.7337997
12.
 
Sony A7S III Full Frame 12.0 4240 28324K/120p23.713.9252086
13.
 
Sony A7R IV Full Frame 60.2 9504 63364K/30p26.014.8334499
14.
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498
15.
 
Sony A7S Full Frame 12.0 4240 28321080/60p23.913.2370287
16.
 
Sony NEX-5R APS-C 16.0 4912 32641080/60i23.713.191078
17.
 
Sony NEX-F3 APS-C 16.0 4912 32641080/60i22.712.3111473
Note: DXO values in italics represent estimates based on sensor size and age.
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Many modern cameras cannot only take still pictures, but also record videos. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the A7S II provides a better video resolution than the X-M1. It can shoot movie footage at 4K/30p, while the Fujifilm is limited to 1080/30p.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the A7S II has an electronic viewfinder (2400k dots), which can be very helpful when shooting in bright sunlight. In contrast, the X-M1 relies on live view and the rear LCD for framing. The table below summarizes some of the other core capabilities of the Fujifilm X-M1 and Sony A7S II in connection with corresponding information for a sample of similar cameras.

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Core Features
# image 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 X-M1none n3.0 / 920 tilting n 1/4000s 5.6/s Y n
2.
 
Sony A7S II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
3.
 
Fujifilm X-A10none n3.0 / 1040 tilting n 1/4000s 6.0/s Y n
4.
 
Fujifilm X-E2S2360 n3.0 / 1040 fixed n 1/4000s 7.0/s Y n
5.
 
Fujifilm X-A2none n3.0 / 920 tilting n 1/4000s 5.6/s Y n
6.
 
Fujifilm X-T102360 n3.0 / 920 tilting n 1/4000s 8.0/s Y n
7.
 
Fujifilm X-A1none n3.0 / 920 tilting n 1/4000s 5.6/s Y n
8.
 
Fujifilm X-E22360 n3.0 / 1040 fixed n 1/4000s 7.0/s Y n
9.
 
Fujifilm X-E12360 n2.8 / 460 fixed n 1/4000s 6.0/s Y n
10.
 
Fujifilm X-Pro11440 n3.0 / 1230 fixed n 1/4000s 6.0/s n n
11.
 
Sony A7 IV3686 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
12.
 
Sony A7S III9440 n3.0 / 1440 swivel Y 1/8000s 10.0/s n Y
13.
 
Sony A7R IV5760 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
14.
 
Sony A7R II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
15.
 
Sony A7S2400 n3.0 / 921 tilting n 1/8000s 5.0/s n n
16.
 
Sony NEX-5Roptional n3.0 / 920 tilting Y 1/4000s 10.0/s n n
17.
 
Sony NEX-F3optional n3.0 / 920 tilting n 1/4000s 5.5/s Y n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
padding

One difference between the cameras concerns the presence of an on-board flash. The X-M1 has one, while the A7S II does not. While the built-in flash of the X-M1 is not very powerful, it can at times be useful as a fill-in light.

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 A7S II 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 X-M1 writes its imaging data to SDXC cards, while the A7S II uses SDXC or Memory Stick PRO Duo cards. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 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 X-M1 and Sony Alpha 7S II and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
# image Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Fujifilm X-M1Ystereo / mono--mini2.0Y--
2.
 
Sony A7S IIYstereo / monoYYmicro2.0YY-
3.
 
Fujifilm X-A10-stereo / mono--micro2.0Y--
4.
 
Fujifilm X-E2SYstereo / monoY-micro2.0Y--
5.
 
Fujifilm X-A2Ystereo / mono--mini2.0Y--
6.
 
Fujifilm X-T10Ystereo / monoY-micro2.0Y--
7.
 
Fujifilm X-A1Ystereo / mono--mini2.0Y--
8.
 
Fujifilm X-E2Ystereo / monoY-micro2.0Y--
9.
 
Fujifilm X-E1Ystereo / monoY-mini2.0---
10.
 
Fujifilm X-Pro1Ystereo / mono--mini2.0---
11.
 
Sony A7 IVYstereo / monoYYfull3.2Y-Y
12.
 
Sony A7S IIIYstereo / monoYYfull3.2Y-Y
13.
 
Sony A7R IVYstereo / monoYYmicro3.1YYY
14.
 
Sony A7R IIYstereo / monoYYmicro2.0YY-
15.
 
Sony A7SYstereo / monoYYmicro2.0YY-
16.
 
Sony NEX-5RYstereo / mono--mini2.0Y--
17.
 
Sony NEX-F3Ystereo / mono--mini2.0---
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It is notable that the A7S II has a headphone jack, which makes it possible to attach external headphones and monitor the quality of sound during the recording process. The X-M1 lacks such a headphone port.

Both the X-M1 and the A7S II have been discontinued, but can regularly be found used on ebay. The A7S II was replaced by the Sony A7S III, while the X-M1 does not have a direct successor. Further information on the features and operation of the X-M1 and A7S II can be found, respectively, in the Fujifilm X-M1 Manual (free pdf) or the online Sony A7S II Manual.

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Review summary

So what conclusions can be drawn? Is the Fujifilm X-M1 better than the Sony A7S II or vice versa? A synthesis of the relative strong points of each of the models is listed below.

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Advantages of the Fujifilm X-M1:

  • More detail: Offers more megapixels (16 vs 12MP) with a 15% higher linear resolution.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Faster burst: Shoots at higher frequency (5.6 vs 5 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (117x67mm vs 127x96mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 297g or 47 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 (77 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in June 2013).

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Reasons to prefer the Sony Alpha 7S II:

  • 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/30p vs 1080/30p).
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • Easier framing: Has an electronic viewfinder for image composition and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1229k vs 920k dots).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More modern: Reflects 2 years and 2 months of technical progress since the X-M1 launch.

If the count of relative strengths (bullet points above) is taken as a measure, the A7S II is the clear winner of the contest (17 : 8 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera. A professional wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

X-M1 08:17 A7S II

How about other alternatives? Do the specifications of the Fujifilm X-M1 and the Sony A7S II 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 the spec-sheets of cameras can offer a general idea of their imaging potential, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the X-M1 or the A7S II. 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 adjacent summary-table relays the overall verdicts of several of the most popular 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
# image  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Fujifilm X-M13/5+..77/1004.5/54.5/5 Jun 2013 699ebay.com
2.
 
Sony A7S II5/5+....4.5/55/5 Sep 2015 2,999ebay.com
3.
 
Fujifilm X-A10........4/54/5 Dec 2016 399ebay.com
4.
 
Fujifilm X-E2S4.5/5....77/1004.5/54.5/5 Jan 2016 699ebay.com
5.
 
Fujifilm X-A24/5......4.5/54.5/5 Jan 2015 399ebay.com
6.
 
Fujifilm X-T104.5/5+ +..80/1005/55/5 May 2015 799ebay.com
7.
 
Fujifilm X-A1........4.5/54.5/5 Sep 2013 399ebay.com
8.
 
Fujifilm X-E24/5....80/1004.5/55/5 Oct 2013 999ebay.com
9.
 
Fujifilm X-E14/5+ +..79/1004.5/54.5/5 Sep 2012 999ebay.com
10.
 
Fujifilm X-Pro15/5+ +..79/1004.5/54.5/5 Jan 2012 1,699ebay.com
11.
 
Sony A7 IV5/5+ +4.5/589/1004.5/54.5/5 Oct 2021 2,499 amazon.com
12.
 
Sony A7S III4.5/5+ +5/591/1004.5/55/5 Jul 2020 3,499 amazon.com
13.
 
Sony A7R IV5/5+4.5/591/1004.5/55/5 Jul 2019 3,499ebay.com
14.
 
Sony A7R II5/5+ +5/590/1005/55/5 Jun 2015 3,199ebay.com
15.
 
Sony A7S4/5....86/1004.5/55/5 Apr 2014 2,499ebay.com
16.
 
Sony NEX-5R........4.5/54.5/5 Aug 2012 749ebay.com
17.
 
Sony NEX-F34/5....74/1004.5/54.5/5 May 2012 599ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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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 comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

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Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just make your choice using the following search menu. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Fujifilm X-M1 vs Sony A7S II

    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-M1 Sony A7S II
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Fujifilm X mount lenses Sony E mount lenses
    Launch Date June 2013 September 2015
    Launch Price USD 699 USD 2,999
    Sensor Specs Fujifilm X-M1 Sony A7S II
    Sensor Technology CMOS 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 16 Megapixels 12 Megapixels
    Image Resolution 4896 x 3264 pixels 4240 x 2832 pixels
    Pixel Pitch 4.80 μm 8.40 μm
    Pixel Density 4.34 MP/cm2 1.42 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 1080/30p Video 4K/30p Video
    ISO Setting 200 - 6,400 ISO 100 - 102,400 ISO
    ISO Boost 100 - 25,600 ISO 50 - 409,600 ISO
    Image Processor EXR Processor II BIONZ X
    DXO Sensor Quality (score) .. 85
    DXO Color Depth (bits) .. 23.6
    DXO Dynamic Range (EV) .. 13.3
    DXO Low Light (ISO) .. 2993
    Screen Specs Fujifilm X-M1 Sony A7S II
    Viewfinder Type no viewfinder Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.78x
    Viewfinder Resolution 2400k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 920k dots 1229k dots
    LCD Attachment Tilting screen Tilting screen
    Shooting Specs Fujifilm X-M1 Sony A7S II
    Focus System Contrast-detect AF Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 5.6 shutter flaps/s 5 shutter flaps/s
    Electronic Shutterno E-ShutterYES
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDXC cards MS or SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    UHS card support UHS-I UHS-I
    Connectivity Specs Fujifilm X-M1 Sony A7S II
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI micro HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Body Specs Fujifilm X-M1 Sony A7S II
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Fujifilm NP-W126 Sony NP-FW50
    Battery Life (CIPA)350 shots per charge370 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 117 x 67 x 39 mm
    (4.6 x 2.6 x 1.5 in)
    127 x 96 x 60 mm
    (5.0 x 3.8 x 2.4 in)
    Camera Weight 330 g (11.6 oz) 627 g (22.1 oz)
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