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Fujifilm GFX 100 II vs Pentax K-3 III

The Fujifilm GFX 100 II and the Pentax K-3 III are two digital cameras that were announced, respectively, in September 2023 and March 2021. The GFX 100 II is a mirrorless interchangeable lens camera, while the K-3 III is a DSLR. The cameras are based on a medium format (GFX 100 II) and an APS-C (K-3 III) sensor. The Fujifilm has a resolution of 101.8 megapixels, whereas the Pentax provides 25.6 MP.

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

Headline Specifications
Fujifilm GFX 100 II
versus
Pentax K-3 III
Fujifilm GFX 100 II   Pentax K-3 III
Mirrorless system camera Digital single lens reflex
Fujifilm G mount lenses Pentax K mount lenses
101.8 MP – Medium Format sensor 25.6 MP – APS-C sensor
8K/30p Video 4K/30p Video
ISO 100-12,800 (50 - 102,400) ISO 100-160,000
Electronic viewfinder (9440k dots) Optical viewfinder
3.2" LCD – 2360k dots 3.2" LCD – 1620k dots
Fully flexible touchscreen Fixed touchscreen
8 shutter flaps per second 12 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodyWeathersealed body
540 shots per battery charge800 shots per battery charge
152 x 117 x 99 mm, 1030 g 135 x 104 x 74 mm, 820 g
logo
Check GFX 100 II price at
amazon.com
logo
Check K-3 III price at
amazon.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm GFX 100 II and the Pentax K-3 III? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

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Body comparison

The side-by-side display below illustrates the physical size and weight of the Fujifilm GFX 100 II and the Pentax K-3 III. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth dimensions are rounded to the nearest millimeter.

The K-3 III can be obtained in two different colors (black, silver), while the GFX 100 II is only available in black.

Size Fujifilm GFX 100 II vs Pentax K-3 III
Compare GFX 100 II versus K-3 III top
Comparison GFX 100 II or K-3 III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax K-3 III is notably smaller (21 percent) than the Fujifilm GFX 100 II. Moreover, the K-3 III is markedly lighter (20 percent) than the GFX 100 II. 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 100 II gets 540 shots out of its Fujifilm NP-W235 battery, while the K-3 III can take 800 images on a single charge of its Pentax D-LI90 power pack. The power pack in the GFX 100 II can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. If you want to switch the focus of the display and review another camera pair, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

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Body Specifications
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Fujifilm GFX 100 II 152 mm 117 mm 99 mm 1030 g 540 Y Sep 2023 US$ 7 499 amazon.com
2.
 
Pentax K-3 III 135 mm 104 mm 74 mm 820 g 800 Y Mar 2021 US$ 1 999 amazon.com
3.
 
Fujifilm GFX 50R 161 mm 97 mm 66 mm 775 g 400 Y Sep 2018 US$ 4 499ebay.com
4.
 
Fujifilm GFX 50S 148 mm 94 mm 91 mm 740 g 400 Y Sep 2016 US$ 6 499ebay.com
5.
 
Fujifilm GFX 50S II 150 mm 104 mm 87 mm 900 g 440 Y Sep 2021 US$ 3 999 amazon.com
6.
 
Fujifilm GFX 100 156 mm 144 mm 75 mm 1320 g 800 Y May 2019 US$ 9 999ebay.com
7.
 
Fujifilm GFX 100S 150 mm 104 mm 87 mm 900 g 460 Y Jan 2021 US$ 5 999 amazon.com
8.
 
Fujifilm X-H1 140 mm 97 mm 86 mm 673 g 310 Y Feb 2018 US$ 1 899ebay.com
9.
 
Fujifilm X-H2 136 mm 93 mm 85 mm 660 g 680 Y Sep 2022 US$ 1 999 amazon.com
10.
 
Fujifilm X-H2S 136 mm 93 mm 85 mm 660 g 580 Y May 2022 US$ 2 499 amazon.com
11.
 
Fujifilm X-T5 130 mm 91 mm 64 mm 557 g 580 Y Nov 2022 US$ 1 699 amazon.com
12.
 
Hasselblad X2D 100C 149 mm 106 mm 75 mm 895 g 420 Y Sep 2022 US$ 8 199 amazon.com
13.
 
Nikon Z8 144 mm 119 mm 83 mm 910 g 340 Y May 2023 US$ 3 999 amazon.com
14.
 
Pentax K-3 131 mm 100 mm 77 mm 800 g 560 Y Oct 2013 US$ 1 299ebay.com
15.
 
Pentax K-3 II 131 mm 100 mm 77 mm 800 g 720 Y Apr 2015 US$ 1 099ebay.com
16.
 
Pentax K-70 126 mm 93 mm 74 mm 688 g 410 Y Jun 2016 US$ 649ebay.com
17.
 
Pentax KP 132 mm 101 mm 76 mm 703 g 390 Y Jan 2017 US$ 1 099ebay.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 manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The K-3 III was launched at a markedly lower price (by 73 percent) than the GFX 100 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

Sensor comparison

The size of the sensor inside a digital camera is one of the key determinants 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. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the background. On the downside, larger sensors are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Fujifilm GFX 100 II features a medium format sensor and the Pentax K-3 III an APS-C sensor. The sensor area in the K-3 III 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 100 II has a native 4:3 aspect ratio, while the one in the K-3 III offers a 3:2 aspect.

Fujifilm GFX 100 II and Pentax K-3 III sensor measures

With 101.8MP, the GFX 100 II offers a higher resolution than the K-3 III (25.6MP), but the GFX 100 II nevertheless has the same individual pixel size (pixel pitch of 3.76μm) as the K-3 III due to its larger sensor. It is noteworthy in this context that the GFX 100 II is a mch more recent model (by 2 years and 5 months) than the K-3 III, and its sensor will 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 100 II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the GFX 100 II for good quality output (200 dots per inch) amounts to 58.2 x 43.7 inches or 147.9 x 110.9 cm, for very good quality (250 dpi) 46.6 x 34.9 inches or 118.3 x 88.8 cm, and for excellent quality (300 dpi) 38.8 x 29.1 inches or 98.6 x 74 cm. The corresponding values for the Pentax K-3 III are 31 x 20.6 inches or 78.6 x 52.4 cm for good quality, 24.8 x 16.5 inches or 62.9 x 41.9 cm for very good quality, and 20.6 x 13.8 inches or 52.4 x 35 cm for excellent quality prints.

The GFX 100 II has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Both cameras have the capacity to capture high quality composite images by combining multiple shots after shifting the sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

The Fujifilm GFX 100 II 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-3 III are ISO 100 to ISO 160000 (no boost).

In terms of underlying technology, the GFX 100 II is build around a BSI-CMOS sensor, while the K-3 III 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.

GFX 100 II versus K-3 III MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

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Sensor Characteristics
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Fujifilm GFX 100 II Medium Format 101.8 11648 87368K/30p25.915.03651101
2.
 
Pentax K-3 III APS-C 25.6 6192 41284K/30p24.213.7208385
3.
 
Fujifilm GFX 50R Medium Format 51.1 8256 61921080/30p25.714.4316998
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.
 
Fujifilm GFX 100 Medium Format 101.8 11648 87364K/30p25.714.5322799
7.
 
Fujifilm GFX 100S Medium Format 101.8 11648 87364K/30p25.814.73391100
8.
 
Fujifilm X-H1 APS-C 24.0 6000 40004K/30p24.013.3180682
9.
 
Fujifilm X-H2 APS-C 39.8 7728 51528k/30p24.313.9224986
10.
 
Fujifilm X-H2S APS-C 26.0 6240 41606.2k/30p24.313.9222486
11.
 
Fujifilm X-T5 APS-C 39.8 7728 51526.2k/30p24.313.9226486
12.
 
Hasselblad X2D 100C Medium Format 102.1 11656 8762none25.914.93550101
13.
 
Nikon Z8 Full Frame 45.4 8256 55048K/30p26.314.2254898
14.
 
Pentax K-3 APS-C 24.1 6016 40001080/60i23.713.4121680
15.
 
Pentax K-3 II APS-C 24.1 6016 40001080/60i23.613.6110680
16.
 
Pentax K-70 APS-C 24.0 6000 40001080/60i23.813.1163980
17.
 
Pentax KP APS-C 24.1 6016 40001080/60i23.913.2169981
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras cannot only take still pictures, but also record videos. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the GFX 100 II provides a higher video resolution than the K-3 III. It can shoot video footage at 8K/30p, while the Pentax is limited to 4K/30p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the GFX 100 II has an electronic viewfinder (9440k dots), while the K-3 III has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the GFX 100 II has a higher magnification than the one of the K-3 III (1.27x vs 0.70x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The following table reports on some other key feature differences and similarities of the Fujifilm GFX 100 II, the Pentax K-3 III, 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.
 
Fujifilm GFX 100 II9440 Y3.2 / 2360 full-flex Y 1/4000s 8.0/s n Y
2.
 
Pentax K-3 IIIoptical Y3.2 / 1620 fixed Y 1/8000s 12.0/s n Y
3.
 
Fujifilm GFX 50R3690 n3.2 / 2360 tilting Y 1/4000s 3.0/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.
 
Fujifilm GFX 100optional Y3.2 / 2360 full-flex Y 1/4000s 5.0/s n Y
7.
 
Fujifilm GFX 100S3690 Y3.2 / 2360 full-flex Y 1/4000s 5.0/s n Y
8.
 
Fujifilm X-H13690 Y3.0 / 1040 full-flex Y 1/8000s 14.0/s n Y
9.
 
Fujifilm X-H25760 Y3.0 / 1620 swivel Y 1/8000s 15.0/s n Y
10.
 
Fujifilm X-H2S5760 Y3.0 / 1620 swivel Y 1/8000s 15.0/s n Y
11.
 
Fujifilm X-T53690 n3.0 / 1840 full-flex Y 1/8000s 15.0/s n Y
12.
 
Hasselblad X2D 100C5760 Y3.6 / 2360 tilting Y 1/4000s 3.3/s n Y
13.
 
Nikon Z83690 Y3.2 / 2089 full-flex Y 1/32000s 30.0/s n Y
14.
 
Pentax K-3optical Y3.2 / 1037 fixed n 1/8000s 8.3/s Y Y
15.
 
Pentax K-3 IIoptical Y3.2 / 1037 fixed n 1/8000s 8.3/s n Y
16.
 
Pentax K-70optical n3.0 / 921 swivel n 1/6000s 6.0/s Y Y
17.
 
Pentax KPoptical n3.0 / 921 tilting n 1/6000s 7.0/s Y Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

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 100 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 Fujifilm GFX 100 II and the Pentax K-3 III 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 GFX 100 II writes its imaging data to CFexpress (type B) or SDXC cards, while the K-3 III uses SDXC cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. Both the GFX 100 II and the K-3 III support UHS-II cards, which provide for Ultra High Speed data transfer of up to 312 MB/s (the second slot of the K-3 III only offers slower UHS-I transfer rates, though).

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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 GFX 100 II and Pentax K-3 III and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Fujifilm GFX 100 IIYstereo / monoYYfull3.2Y-Y
2.
 
Pentax K-3 IIIYstereo / monoYYmicro3.2Y-Y
3.
 
Fujifilm GFX 50RYstereo / monoYYmicro3.0Y-Y
4.
 
Fujifilm GFX 50SYstereo / monoYYmicro3.0Y--
5.
 
Fujifilm GFX 50S IIYstereo / monoYYmicro3.2Y--
6.
 
Fujifilm GFX 100Ystereo / monoYYmicro3.1Y-Y
7.
 
Fujifilm GFX 100SYstereo / monoYYmicro3.2Y-Y
8.
 
Fujifilm X-H1Ystereo / monoY-micro3.0Y--
9.
 
Fujifilm X-H2Ystereo / monoYYfull3.2Y-Y
10.
 
Fujifilm X-H2SYstereo / monoYYfull3.0Y-Y
11.
 
Fujifilm X-T5Ystereo / monoY-micro3.2Y-Y
12.
 
Hasselblad X2D 100CYstereo / mono---3.2Y--
13.
 
Nikon Z8Ystereo / monoYYfull3.2Y-Y
14.
 
Pentax K-3Ymono / monoYYmini3.0---
15.
 
Pentax K-3 IIYmono / monoYYmini3.0---
16.
 
Pentax K-70Ystereo / monoY-mini2.0Y--
17.
 
Pentax KPYstereo / monoY--2.0Y--

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

Travel and landscape photographers will find it useful that the K-3 III has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

Both the GFX 100 II and the K-3 III are recent models that are part of the current product line-up. The K-3 III replaced the earlier Pentax K-3 II, while the GFX 100 II followed on from the Fujifilm GFX 100. Further information on the features and operation of the GFX 100 II and K-3 III can be found, respectively, in the Fujifilm GFX 100 II Manual (free pdf) or the online Pentax K-3 III Manual.

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Review summary

So what is the bottom line? Is there a clear favorite between the Fujifilm GFX 100 II and the Pentax K-3 III? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.

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Reasons to prefer the Fujifilm GFX 100 II:

  • More detail: Offers more megapixels (101.8 vs 25.6MP) with a 96% higher linear resolution.
  • Better image quality: Features a larger and more technologically advanced imaging 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 (8K/30p vs 4K/30p).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (1.27x vs 0.70x).
  • More detailed LCD: Has a higher resolution rear screen (2360k vs 1620k dots).
  • More flexible LCD: Has a full-flex screen for odd-angle shots in portrait or landscape orientation.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
  • More solid recording: Has a full-sized HDMI port for a sturdy connection to an external recorder.
  • More modern: Reflects 2 years and 5 months of technical progress since the K-3 III launch.

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Arguments in favor of the Pentax K-3 III:

  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (12 vs 8 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (135x104mm vs 152x117mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 210g or 20 percent) and is thus easier to take along.
  • Longer lasting: Gets more shots (800 versus 540) out of a single battery charge.
  • Easier geotagging: Features an internal GPS sensor to log localization data.
  • More affordable: Was introduced into a lower priced category (73 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in March 2021).

If the count of relative strengths (bullet points above) is taken as a measure, the GFX 100 II is the clear winner of the match-up (16 : 9 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

GFX 100 II 16:09 K-3 III

How about other alternatives? Do the specifications of the Fujifilm GFX 100 II and the Pentax K-3 III 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 technical specifications can provide a useful overview of the capabilities of different cameras, it remains incomplete and does no justice, for example, to the way the GFX 100 II or the K-3 III perform in practice. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews

This is why hands-on reviews by experts are important. The following table reports the overall ratings of the cameras as published by some of the major camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Expert Camera Reviews
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Fujifilm GFX 100 II5/5+5/5....4.5/5 Sep 2023 US$ 7 499 amazon.com
2.
 
Pentax K-3 III4/5..3/5..4.5/5.. Mar 2021 US$ 1 999 amazon.com
3.
 
Fujifilm GFX 50R5/5..5/584/1004.5/54.5/5 Sep 2018 US$ 4 499ebay.com
4.
 
Fujifilm GFX 50S....4.5/585/1005/54.5/5 Sep 2016 US$ 6 499ebay.com
5.
 
Fujifilm GFX 50S II5/5..5/587/100..5/5 Sep 2021 US$ 3 999 amazon.com
6.
 
Fujifilm GFX 1004.5/5+ +4.8/590/1005/54.5/5 May 2019 US$ 9 999ebay.com
7.
 
Fujifilm GFX 100S5/5+ +5/590/1005/55/5 Jan 2021 US$ 5 999 amazon.com
8.
 
Fujifilm X-H1..+5/586/1004.5/54.5/5 Feb 2018 US$ 1 899ebay.com
9.
 
Fujifilm X-H25/5+ +5/589/1005/55/5 Sep 2022 US$ 1 999 amazon.com
10.
 
Fujifilm X-H2S5/5+5/590/1005/55/5 May 2022 US$ 2 499 amazon.com
11.
 
Fujifilm X-T55/5+ +4.5/590/1004.5/5.. Nov 2022 US$ 1 699 amazon.com
12.
 
Hasselblad X2D 100C4/5..5/5...... Sep 2022 US$ 8 199 amazon.com
13.
 
Nikon Z85/5..5/594/1005/54.5/5 May 2023 US$ 3 999 amazon.com
14.
 
Pentax K-34/5....83/1005/55/5 Oct 2013 US$ 1 299ebay.com
15.
 
Pentax K-3 II4.5/5......5/55/5 Apr 2015 US$ 1 099ebay.com
16.
 
Pentax K-704.5/5..4/579/1004.5/54.5/5 Jun 2016 US$ 649ebay.com
17.
 
Pentax KP4/5..3/582/1005/54.5/5 Jan 2017 US$ 1 099ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated with care, though. The assessments were made in relation to similar cameras of the same technological generation. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

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Check GFX 100 II price at
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Check K-3 III price at
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Other camera comparisons

Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make your choice using the following search menu. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Fujifilm GFX 100 II vs Pentax K-3 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 GFX 100 II Pentax K-3 III
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Fujifilm G mount lenses Pentax K mount lenses
    Launch Date September 2023 March 2021
    Launch Price USD 7,499 USD 1,999
    Sensor Specs Fujifilm GFX 100 II Pentax K-3 III
    Sensor Technology BSI-CMOS CMOS
    Sensor Format Medium Format Sensor APS-C Sensor
    Sensor Size 43.8 x 32.9 mm 23.3 x 15.5 mm
    Sensor Area 1441.02 mm2 361.15 mm2
    Sensor Diagonal 54.8 mm 28 mm
    Crop Factor 0.79x 1.5x
    Sensor Resolution 101.8 Megapixels 25.6 Megapixels
    Image Resolution 11648 x 8736 pixels 6192 x 4128 pixels
    Pixel Pitch 3.76 μm 3.76 μm
    Pixel Density 7.06 MP/cm2 7.08 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 8K/30p Video 4K/30p Video
    ISO Setting 100 - 12,800 ISO 100 - 160,000 ISO
    ISO Boost 50 - 102,400 ISO no Enhancement
    Image Processor X-Processor 5 PRIME V
    Screen Specs Fujifilm GFX 100 II Pentax K-3 III
    Viewfinder Type Electronic viewfinder Optical viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 1.27x 0.70x
    Viewfinder Resolution 9440k dots
    Top-Level Screen Control Panel Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.2inch
    LCD Resolution 2360k dots 1620k dots
    LCD Attachment Fully flexible screen Fixed screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Fujifilm GFX 100 II Pentax K-3 III
    Focus System On-Sensor Phase-detect Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 8 shutter flaps/s 12 shutter flaps/s
    Electronic Shutterup to 1/32000sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium CFexB or SDXC cards SDXC cards
    Single or Dual Card Slots Dual card slots Dual card slots
    UHS card support UHS-II Single UHS-II
    Connectivity Specs Fujifilm GFX 100 II Pentax K-3 III
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket PC Sync socket
    USB Connector USB 3.2 USB 3.2
    HDMI Port full 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
    Bluetooth Support Bluetooth built-in Bluetooth built-in
    Geotagging no internal GPS GPS built-in
    Body Specs Fujifilm GFX 100 II Pentax K-3 III
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Fujifilm NP-W235 Pentax D-LI90
    Battery Life (CIPA)540 shots per charge800 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 152 x 117 x 99 mm
    (6.0 x 4.6 x 3.9 in)
    135 x 104 x 74 mm
    (5.3 x 4.1 x 2.9 in)
    Camera Weight 1030 g (36.3 oz) 820 g (28.9 oz)
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    Check K-3 III price at
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