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Sony A7R III vs Fujifilm GFX 50R

The Sony Alpha A7R III and the Fujifilm GFX 50R are two digital cameras that were officially introduced, respectively, in October 2017 and September 2018. Both the A7R III and the GFX 50R are mirrorless interchangeable lens cameras that are based on a full frame (A7R III) and a medium format (GFX 50R) sensor. The Sony has a resolution of 42.2 megapixels, whereas the Fujifilm provides 51.1 MP.

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

Headline Specifications
Sony A7R III
versus
Fujifilm GFX 50R
Sony A7R III   Fujifilm GFX 50R
Mirrorless system camera Mirrorless system camera
Sony E mount lenses Fujifilm G mount lenses
42.2 MP – Full Frame sensor 51.1 MP – Medium Format sensor
4K/30p Video 1080/30p Video
ISO 100-32,000 (50 - 102,400) ISO 100-12,800 (50 - 102,400)
Electronic viewfinder (3686k dots) Electronic viewfinder (3690k dots)
3.0" LCD – 1440k dots 3.2" LCD – 2360k dots
Tilting touchscreen Tilting touchscreen
10 shutter flaps per second 3 shutter flaps per second
In-body stabilizationLens stabilization only
Weathersealed bodyWeathersealed body
650 shots per battery charge400 shots per battery charge
127 x 96 x 74 mm, 650 g 161 x 97 x 66 mm, 775 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Sony Alpha A7R III and the Fujifilm GFX 50R? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

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Body comparison

The physical size and weight of the Sony A7R III and the Fujifilm GFX 50R are illustrated 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.

Size Sony A7R III vs Fujifilm GFX 50R
Compare A7R III versus GFX 50R top
Comparison A7R III or GFX 50R rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Fujifilm GFX 50R is notably larger (28 percent) than the Sony A7R III. Moreover, the GFX 50R is markedly heavier (19 percent) than the A7R III. 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 A7R III gets 650 shots out of its Sony NP-FZ100 battery, while the GFX 50R can take 400 images on a single charge of its Fujifilm NP-T125 power pack. The power pack in the A7R III can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.

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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.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 3,199ebay.com
2.
 
Fujifilm GFX 50R 161 mm 97 mm 66 mm 775 g 400 Y Sep 2018 4,499ebay.com
3.
 
Canon 5DS 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699ebay.com
4.
 
Fujifilm GFX 50S 148 mm 94 mm 91 mm 740 g 400 Y Sep 2016 6,499ebay.com
5.
 
Fujifilm GFX 50S II 150 mm 104 mm 87 mm 900 g 440 Y Sep 2021 3,999 amazon.com
6.
 
Hasselblad X1D II 148 mm 97 mm 70 mm 766 g .. Y Jun 2019 5,750ebay.com
7.
 
Leica Q2 130 mm 80 mm 92 mm 718 g 370 Y Mar 2019 4,995 amazon.com
8.
 
Nikon Z7 134 mm 101 mm 67 mm 675 g 330 Y Aug 2018 3,399ebay.com
9.
 
Sony A1 129 mm 97 mm 81 mm 737 g 530 Y Jan 2021 6,499 amazon.com
10.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 1,999 amazon.com
11.
 
Sony A7R II 127 mm 96 mm 60 mm 625 g 290 Y Jun 2015 3,199ebay.com
12.
 
Sony A7R IIIA 127 mm 96 mm 74 mm 650 g 650 Y Apr 2021 3,199 amazon.com
13.
 
Sony A7R IV 129 mm 96 mm 78 mm 665 g 670 Y Jul 2019 3,499ebay.com
14.
 
Sony A7R IVA 129 mm 96 mm 78 mm 665 g 670 Y Apr 2021 3,499 amazon.com
15.
 
Sony A7R V 131 mm 97 mm 82 mm 723 g 530 Y Oct 2022 3,899 amazon.com
16.
 
Sony A7S III 127 mm 97 mm 81 mm 699 g 600 Y Jul 2020 3,499 amazon.com
17.
 
Sony A9 127 mm 96 mm 63 mm 673 g 650 Y Apr 2017 4,499ebay.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 A7R III was launched at a markedly lower price (by 29 percent) than the GFX 50R, 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.

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. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and 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 tend to be associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Sony A7R III features a full frame sensor and the Fujifilm GFX 50R a medium format sensor. The sensor area in the GFX 50R is 68 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 0.79. The sensor in the A7R III has a native 3:2 aspect ratio, while the one in the GFX 50R offers a 4:3 aspect.

Sony A7R III and Fujifilm GFX 50R sensor measures

With 51.1MP, the GFX 50R offers a higher resolution than the A7R III (42.2MP), but the GFX 50R nevertheless has larger individual pixels (pixel pitch of 5.33μm versus 4.52μm for the A7R III) due to its larger sensor. Moreover, the GFX 50R is a somewhat more recent model (by 11 months) than the A7R III, and its sensor might 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 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 50R implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the GFX 50R for good quality output (200 dots per inch) amounts to 41.3 x 31 inches or 104.9 x 78.6 cm, for very good quality (250 dpi) 33 x 24.8 inches or 83.9 x 62.9 cm, and for excellent quality (300 dpi) 27.5 x 20.6 inches or 69.9 x 52.4 cm. The corresponding values for the Sony A7R III are 39.8 x 26.5 inches or 101 x 67.4 cm for good quality, 31.8 x 21.2 inches or 80.8 x 53.9 cm for very good quality, and 26.5 x 17.7 inches or 67.3 x 44.9 cm for excellent quality prints.

The A7R III has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Unlike the GFX 50R, the A7R III has the capacity to capture high quality composite images by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

The Sony Alpha A7R III has a native sensitivity range from ISO 100 to ISO 32000, which can be extended to ISO 50-102400. The corresponding ISO settings for the Fujifilm GFX 50R are ISO 100 to ISO 12800, with the possibility to increase the ISO range to 50-102400.

In terms of underlying technology, the A7R III is build around a BSI-CMOS sensor, while the GFX 50R 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.

A7R III versus GFX 50R 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
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
2.
 
Fujifilm GFX 50R Medium Format 51.1 8256 61921080/30p25.714.4316998
3.
 
Canon 5DS Full Frame 50.3 8688 57921080/30p24.712.4238187
4.
 
Fujifilm GFX 50S Medium Format 51.1 8256 61921080/30p25.414.1297796
5.
 
Fujifilm GFX 50S II Medium Format 51.1 8256 61921080/30p25.914.83456100
6.
 
Hasselblad X1D II Medium Format 51.3 8272 62001080/25p25.714.5323499
7.
 
Leica Q2 Full Frame 46.7 8368 55844K/30p26.413.5249196
8.
 
Nikon Z7 Full Frame 45.4 8256 55044K/30p26.314.6266899
9.
 
Sony A1 Full Frame 49.8 8640 57608k/30p25.914.5316398
10.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
11.
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498
12.
 
Sony A7R IIIA Full Frame 42.2 7952 53044K/30p26.014.73523100
13.
 
Sony A7R IV Full Frame 60.2 9504 63364K/30p26.014.8334499
14.
 
Sony A7R IVA Full Frame 60.2 9504 63364K/30p26.014.8334499
15.
 
Sony A7R V Full Frame 60.2 9504 63368k/24p26.514.83187100
16.
 
Sony A7S III Full Frame 12.0 4240 28324K/120p23.713.9252086
17.
 
Sony A9 Full Frame 24.0 6000 40004K/30p24.913.3351792
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. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the A7R III provides a higher video resolution than the GFX 50R. It can shoot video footage at 4K/30p, while the Fujifilm is limited to 1080/30p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. The two cameras under review are similar with respect to both having an electronic viewfinder. However, the one in the GFX 50R offers a slightly higher resolution than the one in the A7R III (3690k vs 3686k dots). The following table reports on some other key feature differences and similarities of the Sony A7R III, the Fujifilm GFX 50R, and comparable cameras.

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Core Features
  empty Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Sony A7R III3686 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
2.
 
Fujifilm GFX 50R3690 n3.2 / 2360 tilting Y 1/4000s 3.0/s n n
3.
 
Canon 5DSoptical Y3.2 / 1040 fixed n 1/8000s 5.0/s n n
4.
 
Fujifilm GFX 50Soptional Y3.2 / 2360 full-flex Y 1/4000s 3.0/s n n
5.
 
Fujifilm GFX 50S II3690 Y3.2 / 2360 full-flex Y 1/4000s 3.0/s n Y
6.
 
Hasselblad X1D II3690 n3.6 / 2360 fixed Y 1/2000s 2.7/s n n
7.
 
Leica Q23680 n3.0 / 1040 fixed Y 1/2000s 10.0/s n Y
8.
 
Nikon Z73690 Y3.2 / 2100 tilting Y 1/8000s 9.0/s n Y
9.
 
Sony A19437 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
10.
 
Sony A7 III2359 n3.0 / 922 tilting Y 1/8000s 10.0/s n Y
11.
 
Sony A7R II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
12.
 
Sony A7R IIIA3686 n3.0 / 2340 tilting 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 IVA5760 n3.0 / 2340 tilting Y 1/8000s 10.0/s n Y
15.
 
Sony A7R V9440 n3.2 / 2100 full-flex Y 1/8000s 10.0/s n Y
16.
 
Sony A7S III9440 n3.0 / 1440 swivel Y 1/8000s 10.0/s n Y
17.
 
Sony A93686 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 feature that differentiates the A7R III and the GFX 50R is in-body image stabilization (IBIS). The A7R III reduces the risk of handshake-induced blur with all attached lenses, while the GFX 50R offers no blur reduction with lenses that themselves do not provide optical image stabilization.

The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, 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 Sony A7R III and the Fujifilm GFX 50R 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 A7R III writes its imaging data to SDXC or Memory Stick PRO Duo cards, while the GFX 50R uses SDXC cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. However, while the GFX 50R supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s) on both slots, the A7R III supports UHS-II only on its first slot and UHS-I (data transfer speed up to 104 MB/s) on the second one.

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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 Sony Alpha A7R III and Fujifilm GFX 50R 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.
 
Sony A7R IIIYstereo / monoYYmicro3.1YYY
2.
 
Fujifilm GFX 50RYstereo / monoYYmicro3.0Y-Y
3.
 
Canon 5DSYmono / monoY-mini3.0---
4.
 
Fujifilm GFX 50SYstereo / monoYYmicro3.0Y--
5.
 
Fujifilm GFX 50S IIYstereo / monoYYmicro3.2Y--
6.
 
Hasselblad X1D IIYstereo / monoYY-3.0Y--
7.
 
Leica Q2Ystereo / mono----Y-Y
8.
 
Nikon Z7Ystereo / monoYYmicro3.1Y-Y
9.
 
Sony A1Ystereo / monoYYfull3.2Y-Y
10.
 
Sony A7 IIIYstereo / monoYYmicro3.1YYY
11.
 
Sony A7R IIYstereo / monoYYmicro2.0YY-
12.
 
Sony A7R IIIAYstereo / monoYYmicro3.2YYY
13.
 
Sony A7R IVYstereo / monoYYmicro3.1YYY
14.
 
Sony A7R IVAYstereo / monoYYmicro3.2YYY
15.
 
Sony A7R VYstereo / monoYYfull3.2Y-Y
16.
 
Sony A7S IIIYstereo / monoYYfull3.2Y-Y
17.
 
Sony A9Ystereo / monoYYmicro2.0YYY

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

Both the A7R III and the GFX 50R have been discontinued, but can regularly be found used on ebay. The A7R III was replaced by the Sony A7R IV, while the GFX 50R does not have a direct successor. Further information on the features and operation of the A7R III and GFX 50R can be found, respectively, in the Sony A7R III Manual (free pdf) or the online Fujifilm GFX 50R Manual.

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Review summary

So how do things add up? Which of the two cameras – the Sony A7R III or the Fujifilm GFX 50R – 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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Reasons to prefer the Sony Alpha A7R III:

  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/30p).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.78x vs 0.77x).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (10 vs 3 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (127x96mm vs 161x97mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 125g or 16 percent) and hence easier to carry around.
  • Longer lasting: Can take more shots (650 versus 400) on a single battery charge.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More affordable: Was introduced into a lower priced category (29 percent cheaper at launch).
  • More heavily discounted: Has been on the market for longer (launched in October 2017).

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Arguments in favor of the Fujifilm GFX 50R:

  • More detail: Has more megapixels (51.1 vs 42.2MP), which boosts linear resolution by 8%.
  • 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.
  • Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (2360k vs 1440k dots).
  • More modern: Was introduced somewhat (11 months) more recently.

If the count of relative strengths (bullet points above) is taken as a measure, the A7R III is the clear winner of the match-up (14 : 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.

A7R III 14:08 GFX 50R

How about other alternatives? Do the specifications of the Sony A7R III and the Fujifilm GFX 50R 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 says little about, for example, the shooting experience and imaging performance of the A7R III and the GFX 50R in practical situations. 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 where reviews by experts come in. 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
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Sony A7R III..+ +4/590/1004.5/55/5 Oct 2017 3,199ebay.com
2.
 
Fujifilm GFX 50R5/5..5/584/1004.5/54.5/5 Sep 2018 4,499ebay.com
3.
 
Canon 5DS..+..83/1004.5/54.5/5 Feb 2015 3,699ebay.com
4.
 
Fujifilm GFX 50S....4.5/585/1005/54.5/5 Sep 2016 6,499ebay.com
5.
 
Fujifilm GFX 50S II5/5..5/587/100..5/5 Sep 2021 3,999 amazon.com
6.
 
Hasselblad X1D II....4/5..4/54/5 Jun 2019 5,750ebay.com
7.
 
Leica Q2....4.5/584/1004.5/54/5 Mar 2019 4,995 amazon.com
8.
 
Nikon Z75/5+4.8/589/1004.5/55/5 Aug 2018 3,399ebay.com
9.
 
Sony A15/5o4.5/593/1004.5/55/5 Jan 2021 6,499 amazon.com
10.
 
Sony A7 III..+ +4.5/589/1005/55/5 Feb 2018 1,999 amazon.com
11.
 
Sony A7R II5/5+ +5/590/1005/55/5 Jun 2015 3,199ebay.com
12.
 
Sony A7R IIIA..+ +4/590/1004.5/55/5 Apr 2021 3,199 amazon.com
13.
 
Sony A7R IV5/5+4.5/591/1004.5/55/5 Jul 2019 3,499ebay.com
14.
 
Sony A7R IVA5/5+4.5/591/1004.5/55/5 Apr 2021 3,499 amazon.com
15.
 
Sony A7R V5/5+ +4.5/592/100.... Oct 2022 3,899 amazon.com
16.
 
Sony A7S III4.5/5+ +5/591/1004.5/55/5 Jul 2020 3,499 amazon.com
17.
 
Sony A95/5+ +4.8/589/1005/55/5 Apr 2017 4,499ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, 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? If you would like to see a different side-by-side camera review, just make a corresponding selection in the search boxes below. 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: Sony A7R III vs Fujifilm GFX 50R

    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 Sony A7R III Fujifilm GFX 50R
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Sony E mount lenses Fujifilm G mount lenses
    Launch Date October 2017 September 2018
    Launch Price USD 3,199 USD 4,499
    Sensor Specs Sony A7R III Fujifilm GFX 50R
    Sensor Technology BSI-CMOS CMOS
    Sensor Format Full Frame Sensor Medium Format Sensor
    Sensor Size 35.9 x 24.0 mm 44.0 x 33.0 mm
    Sensor Area 861.6 mm2 1452 mm2
    Sensor Diagonal 43.2 mm 55 mm
    Crop Factor 1.0x 0.79x
    Sensor Resolution 42.2 Megapixels 51.1 Megapixels
    Image Resolution 7952 x 5304 pixels 8256 x 6192 pixels
    Pixel Pitch 4.52 μm 5.33 μm
    Pixel Density 4.90 MP/cm2 3.52 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 4K/30p Video 1080/30p Video
    ISO Setting 100 - 32,000 ISO 100 - 12,800 ISO
    ISO Boost 50 - 102,400 ISO 50 - 102,400 ISO
    Image Processor BIONZ X X Processor Pro
    DXO Sensor Quality (score) 100 ..
    DXO Color Depth (bits) 26.0 ..
    DXO Dynamic Range (EV) 14.7 ..
    DXO Low Light (ISO) 3523 ..
    Screen Specs Sony A7R III Fujifilm GFX 50R
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.78x 0.77x
    Viewfinder Resolution 3686k dots 3690k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.2inch
    LCD Resolution 1440k dots 2360k dots
    LCD Attachment Tilting screen Tilting screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Sony A7R III Fujifilm GFX 50R
    Focus System On-Sensor Phase-detect Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/4000s
    Continuous Shooting 10 shutter flaps/s 3 shutter flaps/s
    Electronic ShutterYESup to 1/16000s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationIn-body stabilizationLens stabilization only
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium MS or SDXC cards SDXC cards
    Single or Dual Card Slots Dual card slots Dual card slots
    UHS card support Single UHS-II Dual UHS-II
    Connectivity Specs Sony A7R III Fujifilm GFX 50R
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket PC Sync socket
    USB Connector USB 3.1 USB 3.0
    HDMI Port micro HDMI micro HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication NFC built-in no NFC
    Bluetooth Support Bluetooth built-in Bluetooth built-in
    Body Specs Sony A7R III Fujifilm GFX 50R
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Sony NP-FZ100 Fujifilm NP-T125
    Battery Life (CIPA)650 shots per charge400 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 127 x 96 x 74 mm
    (5.0 x 3.8 x 2.9 in)
    161 x 97 x 66 mm
    (6.3 x 3.8 x 2.6 in)
    Camera Weight 650 g (22.9 oz) 775 g (27.3 oz)
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