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Fujifilm GFX 50S vs Pentax K-70

The Fujifilm GFX 50S and the Pentax K-70 are two digital cameras that were revealed to the public, respectively, in September 2016 and June 2016. The GFX 50S is a mirrorless interchangeable lens camera, while the K-70 is a DSLR. The cameras are based on a medium format (GFX 50S) and an APS-C (K-70) sensor. The Fujifilm has a resolution of 51.1 megapixels, whereas the Pentax provides 24 MP.

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

Headline Specifications
Fujifilm GFX 50S
versus
Pentax K-70
Fujifilm GFX 50S   Pentax K-70
Mirrorless system camera Digital single lens reflex
Fujifilm G mount lenses Pentax K mount lenses
51.1 MP, Medium Format Sensor 24 MP, APS-C Sensor
1080/30p Video 1080/60i Video
ISO 100-12,800 (50 - 102,400) ISO 100-102,400
Viewfinder optional Optical viewfinder
3.2 LCD, 2360k dots 3.0 LCD, 921k dots
Fully flexible touchscreen Swivel screen (not touch-sensitive)
3 shutter flaps per second 6 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Weathersealed bodyWeathersealed body
400 shots per battery charge410 shots per battery charge
148 x 94 x 91 mm, 740 g 126 x 93 x 74 mm, 688 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm GFX 50S and the Pentax K-70? 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 GFX 50S and the Pentax K-70. 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 K-70 can be obtained in two different colors (black, silver), while the GFX 50S is only available in black.

Size Fujifilm GFX 50S vs Pentax K-70
Compare GFX 50S versus K-70 top
Comparison GFX 50S or K-70 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax K-70 is notably smaller (16 percent) than the Fujifilm GFX 50S. Moreover, the K-70 is markedly lighter (7 percent) than the GFX 50S. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments.

The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. Hence, you might want to study and compare the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.

Concerning battery life, the GFX 50S gets 400 shots out of its NP-T125 battery, while the K-70 can take 410 images on a single charge of its D-LI109 power pack.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. 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
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Fujifilm GFX 50S 148 mm 94 mm 91 mm 740 g 400 Y Sep 2016 6,499 i
2.
 
Pentax K-70 126 mm 93 mm 74 mm 688 g 410 Y Jun 2016 649 i
3.
 
Canon 6D Mark II 144 mm 111 mm 75 mm 765 g 1200 Y Jun 2017 1,999 i
4.
 
Canon 5D Mark IV 151 mm 116 mm 76 mm 890 g 900 Y Aug 2016 3,499 i
5.
 
Canon 80D 139 mm 105 mm 79 mm 730 g 960 Y Feb 2016 1,199 i
6.
 
Fujifilm GFX 100S 150 mm 104 mm 87 mm 900 g 460 Y Jan 2021 5,999 i
7.
 
Fujifilm GFX 50R 161 mm 97 mm 66 mm 775 g 400 Y Sep 2018 4,499 i
8.
 
Hasselblad X1D II 148 mm 97 mm 70 mm 766 g .. Y Jun 2019 5,750 i
9.
 
Hasselblad X1D 150 mm 98 mm 71 mm 725 g .. Y Jun 2016 8,995 i
10.
 
Leica M10 139 mm 80 mm 39 mm 660 g 210 Y Jan 2017 6,595 i
11.
 
Leica SL 147 mm 104 mm 39 mm 847 g 400 Y Oct 2015 7,450 i
12.
 
Nikon D7500 136 mm 104 mm 73 mm 720 g 950 Y Apr 2017 1,299 i
13.
 
Pentax K-3 III 135 mm 104 mm 74 mm 820 g 800 Y Mar 2021 1,999 i
14.
 
Pentax KP 132 mm 101 mm 76 mm 703 g 390 Y Jan 2017 1,099 i
15.
 
Pentax K-S2 123 mm 91 mm 73 mm 678 g 410 Y Feb 2015 749 i
16.
 
Pentax K-3 II 131 mm 100 mm 77 mm 800 g 720 Y Apr 2015 1,099 i
17.
 
Pentax K-50 130 mm 97 mm 71 mm 650 g 410 Y Jun 2013 599 i
Notes: 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 K-70 was launched at a markedly lower price (by 90 percent) than the GFX 50S, 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. 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Fujifilm GFX 50S features a medium format sensor and the Pentax K-70 an APS-C sensor. The sensor area in the K-70 is 75 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 0.79 and 1.5. The sensor in the GFX 50S has a native 4:3 aspect ratio, while the one in the K-70 offers a 3:2 aspect.

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors.

Fujifilm GFX 50S and Pentax K-70 sensor measures

With 51.1MP, the GFX 50S offers a higher resolution than the K-70 (24MP), but the GFX 50S nevertheless has larger individual pixels (pixel pitch of 5.33μm versus 3.91μm for the K-70) due to its larger sensor. Moreover, the GFX 50S is a somewhat more recent model (by 3 months) than the K-70, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels. Coming back to sensor resolution, it should be mentioned that neither of the two cameras has an anti-alias filter installed, so they are able to capture all the detail the sensor resolves.

The resolution advantage of the Fujifilm GFX 50S implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the GFX 50S 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 Pentax K-70 are 30 x 20 inches or 76.2 x 50.8 cm for good quality, 24 x 16 inches or 61 x 40.6 cm for very good quality, and 20 x 13.3 inches or 50.8 x 33.9 cm for excellent quality prints.

The K-70 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Unlike the GFX 50S, the K-70 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 Fujifilm GFX 50S has a native sensitivity range from ISO 100 to ISO 12800, which can be extended to ISO 50-102400. The corresponding ISO settings for the Pentax K-70 are ISO 100 to ISO 102400 (no boost).

GFX 50S versus K-70 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-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
1.
 
Fujifilm GFX 50S Medium Format 51.1 8256 61921080/30p...... ..
2.
 
Pentax K-70 APS-C 24.0 6000 40001080/60i...... ..
3.
 
Canon 6D Mark II Full Frame 26.0 6240 41601080/60p24.411.92862 85
4.
 
Canon 5D Mark IV Full Frame 30.1 6720 44804K/30p24.813.62995 91
5.
 
Canon 80D APS-C 24.0 6000 40001080/60p23.613.21135 79
6.
 
Fujifilm GFX 100S Medium Format 101.8 11648 87364K/30p...... ..
7.
 
Fujifilm GFX 50R Medium Format 51.1 8256 61921080/30p...... ..
8.
 
Hasselblad X1D II Medium Format 51.3 8272 6200none...... ..
9.
 
Hasselblad X1D Medium Format 51.3 8272 62001080/25p26.214.84489 102
10.
 
Leica M10 Full Frame 23.8 5952 3992none24.413.22133 86
11.
 
Leica SL Full Frame 24.0 6000 40004K/30p25.013.41821 88
12.
 
Nikon D7500 APS-C 20.7 5568 37124K/30p24.314.01483 86
13.
 
Pentax K-3 III APS-C 25.6 6192 41284K/30p...... ..
14.
 
Pentax KP APS-C 24.1 6016 40001080/60i...... ..
15.
 
Pentax K-S2 APS-C 20.0 5472 36481080/30p...... ..
16.
 
Pentax K-3 II APS-C 24.1 6016 40001080/60i23.613.61106 80
17.
 
Pentax K-50 APS-C 16.1 4928 32641080/30p23.713.01120 79

Many modern cameras are not only capable of taking still images, but also of capturing video footage. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the K-70 provides a faster frame rate than the GFX 50S. It can shoot movie footage at 1080/60i, while the Fujifilm is limited to 1080/30p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the K-70 has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the GFX 50S relies on live view and the rear LCD for framing. That said, the GFX 50S can be equipped with an optional viewfinder – the EVF-TL1. The following table reports on some other key feature differences and similarities of the Fujifilm GFX 50S, the Pentax K-70, and comparable cameras.

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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
1.
 
Fujifilm GFX 50Soptional Y 3.2 2360 full-flex Y 1/4000s 3.0 n n
2.
 
Pentax K-70optical n 3.0 921 swivel n 1/6000s 6.0 Y Y
3.
 
Canon 6D Mark IIoptical Y 3.0 1040 swivel Y 1/4000s 6.5 n n
4.
 
Canon 5D Mark IVoptical Y 3.2 1620 fixed Y 1/8000s 7.0 n n
5.
 
Canon 80Doptical Y 3.0 1040 swivel Y 1/8000s 7.0 Y n
6.
 
Fujifilm GFX 100S3690 Y 3.2 2360 full-flex Y 1/4000s 5.0 n Y
7.
 
Fujifilm GFX 50R3690 n 3.2 2360 tilting Y 1/4000s 3.0 n n
8.
 
Hasselblad X1D II3690 n 3.6 2360 fixed Y 1/2000s 2.7 n n
9.
 
Hasselblad X1D2360 n 3.0 920 fixed Y 1/2000s 2.3 n n
10.
 
Leica M10optical n 3.0 1037 fixed n 1/4000s 5.0 n n
11.
 
Leica SL4400 Y 3.0 1040 fixed Y 1/8000s 11.0 n n
12.
 
Nikon D7500optical Y 3.2 922 tilting Y 1/8000s 8.0 Y n
13.
 
Pentax K-3 IIIoptical Y 3.2 1620 fixed Y 1/8000s 12.0 n Y
14.
 
Pentax KPoptical n 3.0 921 tilting n 1/6000s 7.0 Y Y
15.
 
Pentax K-S2optical n 3.0 921 swivel n 1/6000s 5.4 Y Y
16.
 
Pentax K-3 IIoptical Y 3.2 1037 fixed n 1/8000s 8.3 n Y
17.
 
Pentax K-50optical n 3.0 921 fixed n 1/6000s 6.0 Y Y

One feature that is present on the GFX 50S, but is missing on the K-70 is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.

The K-70 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 GFX 50S 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, the GFX 50S 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 Fujifilm GFX 50S and the Pentax K-70 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.

Concerning the storage of imaging data, both the GFX 50S and the K-70 write their files to SDXC cards. The GFX 50S features dual card slots, which can be very useful in case a memory card fails. In contrast, the K-70 only has one slot. The GFX 50S supports UHS-II cards (on both slots), while the K-70 can use UHS-I cards.

Connectivity comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Fujifilm GFX 50S and Pentax K-70 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
1.
 
Fujifilm GFX 50SYstereomonoYYmicro3.0Y--
2.
 
Pentax K-70YstereomonoY-mini2.0Y--
3.
 
Canon 6D Mark IIYstereomonoY-mini2.0YYY
4.
 
Canon 5D Mark IVYmonomonoYYmini3.0YY-
5.
 
Canon 80DYstereomonoYYmini2.0YY-
6.
 
Fujifilm GFX 100SYstereomonoYYmicro3.2Y-Y
7.
 
Fujifilm GFX 50RYstereomonoYYmicro3.0Y-Y
8.
 
Hasselblad X1D IIYstereomonoYY-3.0Y--
9.
 
Hasselblad X1DYstereomonoYYmini3.0Y--
10.
 
Leica M10Y------Y--
11.
 
Leica SLYstereomonoYYfull3.0Y--
12.
 
Nikon D7500YstereomonoYYmini2.0Y-Y
13.
 
Pentax K-3 IIIYstereomonoYYmicro3.2Y-Y
14.
 
Pentax KPYstereomonoY--2.0Y--
15.
 
Pentax K-S2YmonomonoY-micro2.0YY-
16.
 
Pentax K-3 IIYmonomonoYYmini3.0---
17.
 
Pentax K-50Ymonomono--micro2.0---

It is notable that the GFX 50S has a headphone jack, which is not present on the K-70 This port makes it possible to attach external headphones and monitor the quality of sound during the recording process.

Studio photographers will appreciate that the Fujifilm GFX 50S (unlike the K-70) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the GFX 50S and the K-70 are recent models that are part of the current product line-up. The K-70 replaced the earlier Pentax K-50, while the GFX 50S does not have a direct predecessor. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Fujifilm and Pentax websites.

Review summary

So what conclusions can be drawn? Which of the two cameras – the Fujifilm GFX 50S or the Pentax K-70 – 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 Fujifilm GFX 50S:

  • More detail: Offers more megapixels (51.1 vs 24MP) with a 43% higher linear resolution.
  • Better image quality: Features bigger pixels on a larger sensor for higher quality imaging.
  • Richer colors: The pixel size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger pixels capture a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger pixels means good image quality even under poor lighting.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • 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 921k dots).
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
  • Faster data transfer: Supports a more advanced USB protocol (3.0 vs 2.0).
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • 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: Is somewhat more recent (announced 3 months after the K-70).

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Arguments in favor of the Pentax K-70:

  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better video: Provides higher movie framerates (1080/60i versus 1080/30p).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Easier framing: Has an optical viewfinder for image composition and settings control.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster shutter: Has higher mechanical shutter speed (1/6000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (6 vs 3 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (126x93mm vs 148x94mm) and will fit more readily into a bag.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • More affordable: Was introduced into a lower priced category (90 percent cheaper at launch).
  • More heavily discounted: Has been on the market for longer (launched in June 2016).

If the count of individual advantages (bullet points above) is taken as a guide, the GFX 50S is the clear winner of the match-up (17 : 12 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

GFX 50S 17:12 K-70

How about other alternatives? Do the specifications of the Fujifilm GFX 50S and the Pentax K-70 place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera and Best DSLR 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 GFX 50S or the K-70 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 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], 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
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Fujifilm GFX 50S....85/1005/54.5/5 Sep 2016 6,499 i
2.
 
Pentax K-704.5/5..79/1004.5/54.5/5 Jun 2016 649 i
3.
 
Canon 6D Mark II4/5+80/1004.5/54/5 Jun 2017 1,999 i
4.
 
Canon 5D Mark IV4.5/5+ +87/1004.5/54.5/5 Aug 2016 3,499 i
5.
 
Canon 80D4/5+ +84/1004.5/54.5/5 Feb 2016 1,199 i
6.
 
Fujifilm GFX 100S5/5+ +90/100..5/5 Jan 2021 5,999 i
7.
 
Fujifilm GFX 50R5/5..84/1004.5/54.5/5 Sep 2018 4,499 i
8.
 
Hasselblad X1D II......4/54/5 Jun 2019 5,750 i
9.
 
Hasselblad X1D..o81/100..4/5 Jun 2016 8,995 i
10.
 
Leica M104.5/5....4/54.5/5 Jan 2017 6,595 i
11.
 
Leica SL4/5..84/1004.5/54/5 Oct 2015 7,450 i
12.
 
Nikon D75004.5/5+ +86/1005/54.5/5 Apr 2017 1,299 i
13.
 
Pentax K-3 III.......... Mar 2021 1,999 i
14.
 
Pentax KP4/5..82/1005/54.5/5 Jan 2017 1,099 i
15.
 
Pentax K-S24.5/5....5/54.5/5 Feb 2015 749 i
16.
 
Pentax K-3 II4.5/5....5/55/5 Apr 2015 1,099 i
17.
 
Pentax K-505/5....5/54.5/5 Jun 2013 599 i
Notes: (+ +) 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. A score, therefore, has to be seen in close connection to the price and market introduction time 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.

Fujifilm GFX 50S:
Check Amazon price
Pentax K-70:
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.

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    Specifications: Fujifilm GFX 50S vs Pentax K-70

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

    Camera Specifications
    Camera Model Fujifilm GFX 50S Pentax K-70
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Fujifilm G mount lenses Pentax K mount lenses
    Launch Date September 2016 June 2016
    Launch Price USD 6,499 USD 649
    Sensor Specs Fujifilm GFX 50S Pentax K-70
    Sensor Technology CMOS CMOS
    Sensor Format Medium Format Sensor APS-C Sensor
    Sensor Size 44.0 x 33.0 mm 23.5 x 15.6 mm
    Sensor Area 1452 mm2 366.6 mm2
    Sensor Diagonal 55 mm 28.2 mm
    Crop Factor 0.79x 1.5x
    Sensor Resolution 51.1 Megapixels 24 Megapixels
    Image Resolution 8256 x 6192 pixels 6000 x 4000 pixels
    Pixel Pitch 5.33 μm 3.91 μm
    Pixel Density 3.52 MP/cm2 6.55 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 1080/30p Video 1080/60i Video
    ISO Setting 100 - 12,800 ISO 100 - 102,400 ISO
    ISO Boost 50 - 102,400 ISO no Enhancement
    Image Processor X Processor Pro PRIME MII
    Screen Specs Fujifilm GFX 50S Pentax K-70
    Viewfinder Type Viewfinder optional Optical viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.63x
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.0inch
    LCD Resolution 2360k dots 921k dots
    LCD Attachment Fully flexible screen Swivel screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Fujifilm GFX 50S Pentax K-70
    Focus System Contrast-detect AF Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/6000s
    Continuous Shooting 3 shutter flaps/s 6 shutter flaps/s
    Electronic Shutterup to 1/16000sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash no On-Board Flash Built-in Flash
    Storage Medium SDXC cards SDXC cards
    Second Storage Option Dual card slots Single card slot
    UHS card support Dual UHS-II UHS-I
    Connectivity Specs Fujifilm GFX 50S Pentax K-70
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 3.0 USB 2.0
    HDMI Port micro HDMI mini HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port no Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Body Specs Fujifilm GFX 50S Pentax K-70
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type NP-T125 D-LI109
    Battery Life (CIPA)400 shots per charge410 shots per charge
    Body Dimensions 148 x 94 x 91 mm
    (5.8 x 3.7 x 3.6 in)
    126 x 93 x 74 mm
    (5.0 x 3.7 x 2.9 in)
    Camera Weight 740 g (26.1 oz) 688 g (24.3 oz)

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