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Fujifilm GFX 100S vs Pentax K-30

The Fujifilm GFX 100S and the Pentax K-30 are two digital cameras that were announced, respectively, in January 2021 and May 2012. The GFX 100S is a mirrorless interchangeable lens camera, while the K-30 is a DSLR. The cameras are based on a medium format (GFX 100S) and an APS-C (K-30) sensor. The Fujifilm has a resolution of 101.8 megapixels, whereas the Pentax provides 16.1 MP.

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

Headline Specifications
Fujifilm GFX 100S versus Pentax K-30
Fujifilm GFX 100S Pentax K-30
Mirrorless system camera Digital single lens reflex
Fujifilm G mount lenses Pentax K mount lenses
101.8 MP, Medium Format Sensor 16.1 MP, APS-C Sensor
4K/30p Video 1080/30p Video
ISO 100-12,800 (50 - 102,400) ISO 100-12,800 (100 - 25,600)
Electronic viewfinder (3690k dots) Optical viewfinder
3.2 LCD, 2360k dots 3.0 LCD, 921k dots
Fully flexible touchscreen Fixed screen (not touch-sensitive)
5 shutter flaps per second 6 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodyWeathersealed body
460 shots per battery charge410 shots per battery charge
150 x 104 x 87 mm, 900 g 130 x 97 x 71 mm, 650 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm GFX 100S and the Pentax K-30? 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 100S and the Pentax K-30. 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 dimensions are rounded to the nearest millimeter.

The K-30 can be obtained in seven different colors (black, silver, blue, red, yellow, green, white), while the GFX 100S is only available in black.

Size Fujifilm GFX 100S vs Pentax K-30
Compare GFX 100S versus K-30 top
Comparison GFX 100S or K-30 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax K-30 is notably smaller (19 percent) than the Fujifilm GFX 100S. Moreover, the K-30 is markedly lighter (28 percent) than the GFX 100S. 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 100S gets 460 shots out of its NP-W235 battery, while the K-30 can take 410 images on a single charge of its D-LI109 power pack. The power pack in the GFX 100S 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. 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
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Fujifilm GFX 100S 150 mm 104 mm 87 mm 900 g 460 Y Jan 2021 5,999 i
2.
 
Pentax K-30 130 mm 97 mm 71 mm 650 g 410 Y May 2012 849i
3.
 
Canon R5 138 mm 98 mm 88 mm 738 g 320 Y Jul 2020 3,899 i
4.
 
Fujifilm X-T4 135 mm 93 mm 64 mm 607 g 500 Y Feb 2020 1,699 i
5.
 
Fujifilm X-S10 126 mm 85 mm 65 mm 465 g 325 n Oct 2020 999 i
6.
 
Fujifilm GFX 100 156 mm 144 mm 75 mm 1320 g 800 Y May 2019 9,999 i
7.
 
Fujifilm GFX 50R 161 mm 97 mm 66 mm 775 g 400 Y Sep 2018 4,499 i
8.
 
Fujifilm XP130 110 mm 71 mm 28 mm 207 g 240 n Jan 2018 229i
9.
 
Fujifilm GFX 50S 148 mm 94 mm 91 mm 740 g 400 Y Sep 2016 6,499 i
10.
 
Leica SL2-S 146 mm 107 mm 83 mm 931 g 510 Y Dec 2020 4,895 i
11.
 
Leica SL2 146 mm 107 mm 42 mm 953 g 370 Y Nov 2019 5,999 i
12.
 
Pentax K-50 130 mm 97 mm 71 mm 650 g 410 Y Jun 2013 599i
13.
 
Pentax K-500 130 mm 97 mm 71 mm 646 g 710 n Jun 2013 549i
14.
 
Pentax K-3 131 mm 100 mm 77 mm 800 g 560 Y Oct 2013 1,299i
15.
 
Pentax K-5 II 131 mm 97 mm 73 mm 760 g 740 Y Sep 2012 1,099i
16.
 
Pentax K-5 131 mm 97 mm 73 mm 760 g 740 Y Sep 2010 1,099i
17.
 
Sony A1 129 mm 97 mm 81 mm 737 g 530 Y Jan 2021 6,499 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 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-30 was launched at a markedly lower price (by 86 percent) than the GFX 100S, 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.

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Sensor comparison

The size of the imaging sensor is a crucial determinant 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. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Fujifilm GFX 100S features a medium format sensor and the Pentax K-30 an APS-C sensor. The sensor area in the K-30 is 74 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 100S has a native 4:3 aspect ratio, while the one in the K-30 offers a 3:2 aspect.

Fujifilm GFX 100S and Pentax K-30 sensor measures

With 101.8MP, the GFX 100S offers a higher resolution than the K-30 (16.1MP), but the GFX 100S has smaller individual pixels (pixel pitch of 3.76μm versus 4.79μm for the K-30). However, the GFX 100S is a much more recent model (by 8 years and 8 months) than the K-30, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixels. Coming back to sensor resolution, it should be mentioned that the GFX 100S has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Fujifilm GFX 100S implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the GFX 100S 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-30 are 24.6 x 16.3 inches or 62.6 x 41.5 cm for good quality, 19.7 x 13.1 inches or 50.1 x 33.2 cm for very good quality, and 16.4 x 10.9 inches or 41.7 x 27.6 cm for excellent quality prints.

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

The Fujifilm GFX 100S 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-30 are ISO 100 to ISO 12800, with the possibility to increase the ISO range to 100-25600.

GFX 100S versus K-30 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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 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 100S Medium Format 101.8 11648 87364K/30p........
2.
 
Pentax K-30 APS-C 16.1 4928 32641080/30p23.713.0112979
3.
 
Canon R5 Full Frame 44.8 8192 54648k/30p25.314.6304295
4.
 
Fujifilm X-T4 APS-C 26.0 6240 41604K/60p........
5.
 
Fujifilm X-S10 APS-C 26.0 6240 41604K/30p........
6.
 
Fujifilm GFX 100 Medium Format 101.8 11648 87364K/30p........
7.
 
Fujifilm GFX 50R Medium Format 51.1 8256 61921080/30p........
8.
 
Fujifilm XP130 1/2.3 15.9 4608 34561080/60p........
9.
 
Fujifilm GFX 50S Medium Format 51.1 8256 61921080/30p........
10.
 
Leica SL2-S Full Frame 24.0 6000 40004K/60p........
11.
 
Leica SL2 Full Frame 46.7 8368 55844K/60p........
12.
 
Pentax K-50 APS-C 16.1 4928 32641080/30p23.713.0112079
13.
 
Pentax K-500 APS-C 16.1 4928 32641080/30p23.713.1108779
14.
 
Pentax K-3 APS-C 24.1 6016 40001080/60i23.713.4121680
15.
 
Pentax K-5 II APS-C 16.1 4928 32641080/25p23.814.1123582
16.
 
Pentax K-5 APS-C 16.1 4928 32641080/25p23.714.1116282
17.
 
Sony A1 Full Frame 49.8 8640 57608k/30p........

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 100S provides a higher video resolution than the K-30. It can shoot video footage at 4K/30p, while the Pentax 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. For example, the GFX 100S has an electronic viewfinder (3690k dots), while the K-30 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 100S has a higher magnification than the one of the K-30 (0.77x vs 0.61x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The adjacent table lists some of the other core features of the Fujifilm GFX 100S and Pentax K-30 along with similar information for a selection of comparators.

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Core Features
    Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
(000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Fujifilm GFX 100S3690 Y 3.2 2360 full-flex Y 1/4000s 5.0 n Y
2.
 
Pentax K-30optical n 3.0 921 fixed n 1/6000s 6.0 Y Y
3.
 
Canon R55760 Y 3.2 2100 swivel Y 1/8000s 10.0 n Y
4.
 
Fujifilm X-T43690 n 3.0 1620 swivel Y 1/8000s 15.0 n Y
5.
 
Fujifilm X-S102360 n 3.0 1040 swivel Y 1/4000s 8.0 Y Y
6.
 
Fujifilm GFX 100optional Y 3.2 2360 tilting Y 1/4000s 5.0 n Y
7.
 
Fujifilm GFX 50R3690 n 3.2 2360 tilting Y 1/4000s 3.0 n n
8.
 
Fujifilm XP130none n 3.0 920 fixed n 1/2000s 10.0 Y Y
9.
 
Fujifilm GFX 50Soptional Y 3.2 2360 full-flex Y 1/4000s 3.0 n n
10.
 
Leica SL2-S5760 Y 3.2 2100 fixed Y 1/8000s 20.0 n Y
11.
 
Leica SL25760 Y 3.2 2100 fixed Y 1/8000s 10.0 n Y
12.
 
Pentax K-50optical n 3.0 921 fixed n 1/6000s 6.0 Y Y
13.
 
Pentax K-500optical n 3.0 921 fixed n 1/6000s 6.0 Y Y
14.
 
Pentax K-3optical Y 3.2 1037 fixed n 1/8000s 8.3 Y Y
15.
 
Pentax K-5 IIoptical Y 3.0 921 fixed n 1/8000s 7.0 Y Y
16.
 
Pentax K-5optical Y 3.0 921 fixed n 1/8000s 7.0 Y Y
17.
 
Sony A19437 n 3.0 1440 tilting Y 1/8000s 10.0 n Y

One feature that is present on the GFX 100S, but is missing on the K-30 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 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 100S 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 100S has an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

Concerning the storage of imaging data, both the GFX 100S and the K-30 write their files to SDXC cards. The GFX 100S features dual card slots, which can be very useful in case a memory card fails. In contrast, the K-30 only has one slot. The GFX 100S supports UHS-II cards (on both slots), while the K-30 cannot take advantage of Ultra High Speed SD cards.

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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 100S and Pentax K-30 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 100SYstereomonoYYmicro3.2Y-Y
2.
 
Pentax K-30Ymonomono---2.0---
3.
 
Canon R5YmonomonoYYmicro3.2Y-Y
4.
 
Fujifilm X-T4YstereomonoY-micro3.1Y-Y
5.
 
Fujifilm X-S10YstereomonoY-micro3.2Y-Y
6.
 
Fujifilm GFX 100YstereomonoYYmicro3.1Y-Y
7.
 
Fujifilm GFX 50RYstereomonoYYmicro3.0Y-Y
8.
 
Fujifilm XP130-monomono--micro2.0Y-Y
9.
 
Fujifilm GFX 50SYstereomonoYYmicro3.0Y--
10.
 
Leica SL2-SYstereomonoYYfull3.2Y-Y
11.
 
Leica SL2YstereomonoYYfull3.1Y-Y
12.
 
Pentax K-50Ymonomono--micro2.0---
13.
 
Pentax K-500Ymonomono---2.0---
14.
 
Pentax K-3YmonomonoYYmini3.0---
15.
 
Pentax K-5 IIYstereomonoY-mini2.0---
16.
 
Pentax K-5YstereomonoY-mini2.0---
17.
 
Sony A1YstereomonoYYmini3.2Y-Y

It is notable that the GFX 100S has a microphone port, which is missing on the K-30. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.

Studio photographers will appreciate that the Fujifilm GFX 100S (unlike the K-30) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The GFX 100S is a recent model that features in the current product line-up of Fujifilm. In contrast, the K-30 has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the K-30 was succeeded by the Pentax K-50. 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.

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Review summary

So how do things add up? Which of the two cameras – the Fujifilm GFX 100S or the Pentax K-30 – has the upper hand? Is one clearly better than the other? A synthesis of the relative strong points of each of the models is listed below.

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Arguments in favor of the Fujifilm GFX 100S:

  • More detail: Offers more megapixels (101.8 vs 16.1MP) with a 146% higher linear resolution.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • 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 (4K/30p vs 1080/30p).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • 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.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.77x vs 0.61x).
  • 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).
  • More flexible LCD: Has a full-flex screen for odd-angle shots in portrait or landscape orientation.
  • 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.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Longer lasting: Can take more shots (460 versus 410) on a single battery charge.
  • 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.
  • Faster data transfer: Supports a more advanced USB protocol (3.2 vs 2.0).
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • 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 Ultra High Speed (UHS-II) SDXC cards on both slots.
  • More modern: Reflects 8 years and 8 months of technical progress since the K-30 launch.

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Advantages of the Pentax K-30:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Faster shutter: Has higher mechanical shutter speed (1/6000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (6 vs 5 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (130x97mm vs 150x104mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 250g or 28 percent) and is thus easier to take along.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • More affordable: Was introduced into a lower priced category (86 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in May 2012).

If the count of individual advantages (bullet points above) is taken as a guide, the GFX 100S is the clear winner of the match-up (29 : 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 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.

GFX 100S 29:09 K-30

How about other alternatives? Do the specifications of the Fujifilm GFX 100S and the Pentax K-30 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 specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it says little about, for example, the shooting experience and imaging performance of the GFX 100S and the K-30 in practical situations. 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 expert reviews are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear 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 100S.......... Jan 2021 5,999 i
2.
 
Pentax K-304/5..78/1004.5/54.5/5 May 2012 849i
3.
 
Canon R54.5/5..91/1004.5/54.5/5 Jul 2020 3,899 i
4.
 
Fujifilm X-T45/5+ +..5/55/5 Feb 2020 1,699 i
5.
 
Fujifilm X-S105/5..86/1004.5/54.5/5 Oct 2020 999 i
6.
 
Fujifilm GFX 1004.5/5+ +90/1005/54.5/5 May 2019 9,999 i
7.
 
Fujifilm GFX 50R5/5..84/1004.5/54.5/5 Sep 2018 4,499 i
8.
 
Fujifilm XP130..o..3.5/54/5 Jan 2018 229i
9.
 
Fujifilm GFX 50S....85/1005/54.5/5 Sep 2016 6,499 i
10.
 
Leica SL2-S4/5......4.5/5 Dec 2020 4,895 i
11.
 
Leica SL24/5....4.5/54/5 Nov 2019 5,999 i
12.
 
Pentax K-505/5....5/54.5/5 Jun 2013 599i
13.
 
Pentax K-500......4.5/54.5/5 Jun 2013 549i
14.
 
Pentax K-34/5..83/1005/55/5 Oct 2013 1,299i
15.
 
Pentax K-5 II5/5..80/1005/54.5/5 Sep 2012 1,099i
16.
 
Pentax K-54/5..83/1005/54.5/5 Sep 2010 1,099i
17.
 
Sony A1.......... Jan 2021 6,499 i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparisons of ratings among very different cameras or across long time periods have little meaning. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

Fujifilm GFX 100S:
Check Amazon price
Pentax K-30:
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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 100S vs Pentax K-30

    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 100S Pentax K-30
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Fujifilm G mount lenses Pentax K mount lenses
    Launch Date January 2021 May 2012
    Launch Price USD 5,999 USD 849
    Sensor Specs Fujifilm GFX 100S Pentax K-30
    Sensor Technology BSI-CMOS CMOS
    Sensor Format Medium Format Sensor APS-C Sensor
    Sensor Size 43.8 x 32.9 mm 23.7 x 15.6 mm
    Sensor Area 1441.02 mm2 369.72 mm2
    Sensor Diagonal 54.8 mm 28.4 mm
    Crop Factor 0.79x 1.5x
    Sensor Resolution 101.8 Megapixels 16.1 Megapixels
    Image Resolution 11648 x 8736 pixels 4928 x 3264 pixels
    Pixel Pitch 3.76 μm 4.79 μm
    Pixel Density 7.06 MP/cm2 4.35 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 4K/30p Video 1080/30p Video
    ISO Setting 100 - 12,800 ISO 100 - 12,800 ISO
    ISO Boost 50 - 102,400 ISO 100 - 25,600 ISO
    Image Processor X-Processor 4 PRIME M
    DXO Sensor Quality (score) .. 79
    DXO Color Depth (bits) .. 23.7
    DXO Dynamic Range (EV) .. 13.0
    DXO Low Light (ISO) .. 1129
    Screen Specs Fujifilm GFX 100S Pentax K-30
    Viewfinder Type Electronic viewfinder Optical viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.77x 0.61x
    Viewfinder Resolution 3690k dots
    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 Fixed screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Fujifilm GFX 100S Pentax K-30
    Focus System On-Sensor Phase-detect Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/6000s
    Continuous Shooting 5 shutter flaps/s 6 shutter flaps/s
    Electronic Shutterup to 1/16000sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash no On-Board Flash Build-in Flash
    Storage Medium SDXC cards SDXC cards
    Second Storage Option Dual card slots Single card slot
    UHS card support Dual UHS-II no
    Connectivity Specs Fujifilm GFX 100S Pentax K-30
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 3.2 USB 2.0
    HDMI Port micro HDMI no HDMI
    Microphone Port External MIC port no MIC socket
    Headphone Socket Headphone port no Headphone port
    Wifi Support Wifi built-in no Wifi
    Bluetooth Support Bluetooth built-in no Bluetooth
    Body Specs Fujifilm GFX 100S Pentax K-30
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type NP-W235 D-LI109
    Battery Life (CIPA)460 shots per charge410 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 150 x 104 x 87 mm
    (5.9 x 4.1 x 3.4 in)
    130 x 97 x 71 mm
    (5.1 x 3.8 x 2.8 in)
    Camera Weight 900 g (31.7 oz) 650 g (22.9 oz)

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