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Fujifilm GFX 50R vs Pentax 645Z

The Fujifilm GFX 50R and the Pentax 645Z are two professional cameras that were announced, respectively, in September 2018 and April 2014. The GFX 50R is a mirrorless interchangeable lens camera, while the 645Z is a DSLR. Both cameras are equipped with a medium format sensor. Both cameras offer a resolution of 51.1 megapixels.

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

Headline Specifications
Fujifilm GFX 50R   Pentax 645Z
Fujifilm GFX 50R Pentax 645Z
Mirrorless system camera Digital single lens reflex
Fujifilm G mount lenses Pentax 645 mount lenses
51.1 MP, Medium Format Sensor 51.1 MP, Medium Format Sensor
1080/30p Video 1080/60i Video
ISO 100-12800 (50-102400) ISO 100-204800
Electronic viewfinder (3690k dots) Optical viewfinder
3.2" LCD, 2360k dots 3.2" LCD, 1037k dots
Tilting touchscreen Tilting screen (not touch-sensitive)
3 shutter flaps per second 3 shutter flaps per second
Weathersealed bodyWeathersealed body
400 shots per battery charge650 shots per battery charge
161 x 97 x 66 mm, 775 g 156 x 117 x 123 mm, 1550 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm GFX 50R and the Pentax 645Z? 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: Fujifilm GFX 50R vs Pentax 645Z

An illustration of the physical size and weight of the Fujifilm GFX 50R and the Pentax 645Z is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All size dimensions are rounded to the nearest millimeter.

Size Fujifilm GFX 50R vs Pentax 645Z
Compare GFX 50R versus 645Z top
Comparison GFX 50R or 645Z rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax 645Z is notably larger (17 percent) than the Fujifilm GFX 50R. Moreover, the 645Z is substantially heavier (100 percent) than the GFX 50R. 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 50R gets 400 shots out of its NP-T125 battery, while the 645Z can take 650 images on a single charge of its D-LI90 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, just use the right or left arrows in the table to switch to the respective camera. Alternatively, you can also navigate to the CAM-parator app and make your selection from the full list of cameras there.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Fujifilm GFX 50R» 6.3 in 3.8 in 2.6 in 27.3 oz 400 Y Sep 2018 4,499 i i Fujifilm GFX 50R
 
Pentax 645Z« 6.1 in 4.6 in 4.8 in 54.7 oz 650 Y Apr 2014 8,499 i i Pentax 645Z
 
Canon 6D Mark II« » 5.7 in 4.4 in 3.0 in 27.0 oz 1200 Y Jun 2017 1,999 i i Canon 6D Mark II
 
Canon 5DS« » 6.0 in 4.6 in 3.0 in 32.8 oz 700 Y Feb 2015 3,699 i i Canon 5DS
 
Canon 5DS R« » 6.0 in 4.6 in 3.0 in 32.8 oz 700 Y Feb 2015 3,699 i i Canon 5DS R
 
Fujifilm GFX 100« » 6.1 in 5.7 in 3.0 in 46.6 oz 800 Y May 2019 9,999 i i Fujifilm GFX 100
 
Fujifilm GFX 50S« » 5.8 in 3.7 in 3.6 in 26.1 oz 400 Y Sep 2016 6,499 i i Fujifilm GFX 50S
 
Hasselblad X1D« » 5.9 in 3.9 in 2.8 in 25.6 oz .. Y Jun 2016 8,995 i i Hasselblad X1D
 
Leica Q2« » 5.1 in 3.1 in 3.6 in 25.3 oz 370 Y Mar 2019 4,995 i i Leica Q2
 
Leica SL« » 5.8 in 4.1 in 1.5 in 29.9 oz 400 Y Oct 2015 7,450 i i Leica SL
 
Nikon D7500« » 5.4 in 4.1 in 2.9 in 25.4 oz 950 Y Apr 2017 1,299 i i Nikon D7500
 
Nikon D850« » 5.7 in 4.9 in 3.1 in 35.5 oz 1840 Y Jul 2017 3,299 i i Nikon D850
 
Pentax 645D« » 6.1 in 4.6 in 4.7 in 52.2 oz 800 Y Mar 2010 9,995- i Pentax 645D
 
Sony A9« » 5.0 in 3.8 in 2.5 in 23.7 oz 650 Y Apr 2017 4,499 i i Sony A9
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

Any camera decision will naturally be influenced heavily by the price. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The GFX 50R was launched at a markedly lower price (by 47 percent) than the 645Z, which puts it into a different market segment. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down.

 

Sensor comparison: Fujifilm GFX 50R vs Pentax 645Z

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. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors tend to be more expensive and lead to bigger and heavier cameras and lenses.

Both cameras under consideration feature a medium format sensor, but their sensors differ slightly in size. The sensor area in the 645Z is 1 percent smaller. They nevertheless have the same format factor of 0.79. Both cameras feature a native aspect ratio (sensor width to sensor height) of 4:3.

In terms of underlying technology, both cameras are build around CMOS sensors.

Fujifilm GFX 50R and Pentax 645Z sensor measures

Even though the GFX 50R has a slightly larger sensor, both cameras offer the same resolution of 51.1 megapixels. This implies that the GFX 50R has a lower pixel density and larger individual pixels (with a pixel pitch of 5.33μm versus 5.30μm for the 645Z), which gives it a potential advantage in terms of light gathering capacity. In addition, the GFX 50R is much more recent (by 4 years and 5 months) than the 645Z, and its sensor will have benefitted from technological advances during this time. 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 Fujifilm GFX 50R 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 645Z are ISO 100 to ISO 204800 (no boost).

GFX 50R versus 645Z 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 adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
 
Fujifilm GFX 50R» Medium Format 51.1 8256 61921080/30p----Fujifilm GFX 50R
 
Pentax 645Z« Medium Format 51.1 8256 61921080/60i26.014.74505101Pentax 645Z
 
Canon 6D Mark II« » Full Frame 26.0 6240 41601080/60p24.411.9286285Canon 6D Mark II
 
Canon 5DS« » Full Frame 50.3 8688 57921080/30p24.712.4238187Canon 5DS
 
Canon 5DS R« » Full Frame 50.3 8688 57921080/30p24.612.4230886Canon 5DS R
 
Fujifilm GFX 100« » Medium Format 101.8 11648 87364K/30p----Fujifilm GFX 100
 
Fujifilm GFX 50S« » Medium Format 51.1 8256 61921080/30p----Fujifilm GFX 50S
 
Hasselblad X1D« » Medium Format 51.3 8272 62001080/25p26.214.84489102Hasselblad X1D
 
Leica Q2« » Full Frame 46.7 8368 55844K/30p26.413.5249196Leica Q2
 
Leica SL« » Full Frame 24.0 6000 40004K/30p25.013.4182188Leica SL
 
Nikon D7500« » APS-C 20.7 5568 37124K/30p24.314.0148386Nikon D7500
 
Nikon D850« » Full Frame 45.4 8256 55044K/30p26.414.82660100Nikon D850
 
Pentax 645D« » Medium Format 39.5 7264 5440-24.612.6126282Pentax 645D
 
Sony A9« » Full Frame 24.0 6000 40004K/30p24.913.3351792Sony A9

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the 645Z provides a faster frame rate than the GFX 50R. It can shoot movie footage at 1080/60i, while the Fujifilm is limited to 1080/30p.

 

Feature comparison: Fujifilm GFX 50R vs Pentax 645Z

Apart from body and sensor, cameras can and do differ across a range of features. For example, the GFX 50R has an electronic viewfinder (3690k dots), while the 645Z 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 viewfinder in the GFX 50R offers a wider field of view (100%) than the one in the 645Z (98%), so that a larger proportion of the captured image is visible in the finder. On the other hand, the viewfinder of the 645Z has a higher magnification (0.78x vs 0.77x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The table below summarizes some of the other core capabilities of the Fujifilm GFX 50R and Pentax 645Z in connection with corresponding information for a sample of similar cameras.

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
Camera
Model
 
Fujifilm GFX 50R»3690 n 3.2 2360 tilting Y 1/4000s 3.0 n n Fujifilm GFX 50R
 
Pentax 645Z«optical Y 3.2 1037 tilting n 1/4000s 3.0 n n Pentax 645Z
 
Canon 6D Mark II« »optical Y 3.0 1040 swivel Y 1/4000s 6.5 n n Canon 6D Mark II
 
Canon 5DS« »optical Y 3.2 1040 fixed n 1/8000s 5.0 n n Canon 5DS
 
Canon 5DS R« »optical Y 3.2 1040 fixed n 1/8000s 5.0 n n Canon 5DS R
 
Fujifilm GFX 100« »- Y 3.2 2360 tilting Y 1/4000s 5.0 n Y Fujifilm GFX 100
 
Fujifilm GFX 50S« »- Y 3.2 2360 full-flex Y 1/4000s 3.0 n n Fujifilm GFX 50S
 
Hasselblad X1D« »2360 n 3.0 920 fixed Y 1/2000s 2.3 n n Hasselblad X1D
 
Leica Q2« »3680 n 3.0 1040 fixed Y 1/2000s 20.0 n Y Leica Q2
 
Leica SL« »4400 Y 3.0 1040 fixed Y 1/8000s 11.0 n n Leica SL
 
Nikon D7500« »optical Y 3.2 922 tilting Y 1/8000s 8.0 Y n Nikon D7500
 
Nikon D850« »optical Y 3.2 2359 tilting Y 1/8000s 9.0 n n Nikon D850
 
Pentax 645D« »optical Y 3.0 921 fixed n 1/4000s 1.1 n n Pentax 645D
 
Sony A9« »3686 n 3.0 1440 tilting Y 1/8000s 20.0 n Y Sony A9

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The GFX 50R has a touchscreen, while the 645Z has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

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 50R 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 50R and the Pentax 645Z 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 50R and the 645Z write their files to SDXC cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. The GFX 50R supports UHS-II cards (on both slots), while the 645Z can use UHS-I cards.

 

Connectivity comparison: Fujifilm GFX 50R vs Pentax 645Z

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 50R and Pentax 645Z and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Fujifilm GFX 50R»YstereomonoYYmicro3.0Y-YFujifilm GFX 50R
 
Pentax 645Z«YstereomonoY-mini3.0---Pentax 645Z
 
Canon 6D Mark II« »YstereomonoY-mini2.0YYYCanon 6D Mark II
 
Canon 5DS« »YmonomonoY-mini3.0---Canon 5DS
 
Canon 5DS R« »YmonomonoY-mini3.0---Canon 5DS R
 
Fujifilm GFX 100« »YstereomonoYYmicro3.1Y-YFujifilm GFX 100
 
Fujifilm GFX 50S« »YstereomonoYYmicro3.0Y--Fujifilm GFX 50S
 
Hasselblad X1D« »YstereomonoYYmini3.0Y--Hasselblad X1D
 
Leica Q2« »Ystereomono----Y-YLeica Q2
 
Leica SL« »YstereomonoYYfull3.0Y--Leica SL
 
Nikon D7500« »YstereomonoYYmini2.0Y-YNikon D7500
 
Nikon D850« »YstereomonoYYmini3.0YYYNikon D850
 
Pentax 645D« »Ystereo----2.0---Pentax 645D
 
Sony A9« »YstereomonoYYmicro2.0YYYSony A9

It is notable that the GFX 50R has a headphone jack, which is not present on the 645Z This port makes it possible to attach external headphones and monitor the quality of sound during the recording process.

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

Both the GFX 50R and the 645Z are recent models that are part of the current product line-up. The 645Z replaced the earlier Pentax 645D, while the GFX 50R 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: Fujifilm GFX 50R vs Pentax 645Z

So how do things add up? Is the Fujifilm GFX 50R better than the Pentax 645Z or vice versa? The listing below highlights the relative strengths of the two models.

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Advantages of the Fujifilm GFX 50R:

  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • More complete view: Has a viewfinder with a larger field of view (100% vs 98%).
  • More detailed LCD: Has a higher resolution rear screen (2360k vs 1037k 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 compact: Is smaller (161x97mm vs 156x117mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 775g or 50 percent) and hence easier to carry around.
  • More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
  • 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.
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More affordable: Was introduced into a lower priced category (47 percent cheaper at launch).
  • More modern: Reflects 4 years and 5 months of technical progress since the 645Z launch.

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Reasons to prefer the Pentax 645Z:

  • Better video: Provides higher movie framerates (1080/60i versus 1080/30p).
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.78x vs 0.77x).
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • Longer lasting: Gets more shots (650 versus 400) out of a single battery charge.
  • More heavily discounted: Has been around for much longer (launched in April 2014).

If the count of individual advantages (bullet points above) is taken as a guide, the GFX 50R is the clear winner of the match-up (14 : 6 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding 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 50R 14:06 645Z

How about other alternatives? Do the specifications of the Fujifilm GFX 50R and the Pentax 645Z 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 50R and the 645Z 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: Fujifilm GFX 50R vs Pentax 645Z

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 (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). 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.

Review Scores
  Camera
Model
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Fujifilm GFX 50R»-84/1004.5/54.5/54.5/5 Sep 2018 4,499 i i Fujifilm GFX 50R
 
Pentax 645Z«--4.5/55/55/5 Apr 2014 8,499 i i Pentax 645Z
 
Canon 6D Mark II« »+80/1004.5/54/54/5 Jun 2017 1,999 i i Canon 6D Mark II
 
Canon 5DS« »+83/1004.5/55/54.5/5 Feb 2015 3,699 i i Canon 5DS
 
Canon 5DS R« »+83/1005/55/54.5/5 Feb 2015 3,699 i i Canon 5DS R
 
Fujifilm GFX 100« »----- May 2019 9,999 i i Fujifilm GFX 100
 
Fujifilm GFX 50S« »-85/1005/55/54.5/5 Sep 2016 6,499 i i Fujifilm GFX 50S
 
Hasselblad X1D« »o81/100--4/5 Jun 2016 8,995 i i Hasselblad X1D
 
Leica Q2« »-84/100--- Mar 2019 4,995 i i Leica Q2
 
Leica SL« »-84/1004.5/54/54/5 Oct 2015 7,450 i i Leica SL
 
Nikon D7500« »+ +86/1005/54.5/54.5/5 Apr 2017 1,299 i i Nikon D7500
 
Nikon D850« »+ +89/1004.5/55/55/5 Jul 2017 3,299 i i Nikon D850
 
Pentax 645D« »---4.5/5- Mar 2010 9,995- i Pentax 645D
 
Sony A9« »+ +89/1005/55/55/5 Apr 2017 4,499 i i Sony A9
Notes: (+ +) 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. 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 50R:
Check Amazon price
Pentax 645Z:
Check Amazon price

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 50R vs Pentax 645Z

    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 50R Pentax 645Z
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Fujifilm G mount lenses Pentax 645 mount lenses
    Launch Date September 2018 April 2014
    Launch Price USD 4499 USD 8499
    Sensor Specs Fujifilm GFX 50R Pentax 645Z
    Sensor Technology CMOS CMOS
    Sensor Format Medium Format Sensor Medium Format Sensor
    Sensor Size 44.0 x 33.0 mm 43.8 x 32.8 mm
    Sensor Area 1452 mm2 1436.64 mm2
    Sensor Diagonal 55 mm 54.7 mm
    Crop Factor 0.79x 0.79x
    Sensor Resolution 51.1 Megapixels 51.1 Megapixels
    Image Resolution 8256 x 6192 pixels 8256 x 6192 pixels
    Pixel Pitch 5.33 μm 5.30 μm
    Pixel Density 3.52 MP/cm2 3.56 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 1080/30p Video 1080/60i Video
    ISO Setting 100-12800 ISO 100-204800 ISO
    ISO Boost 50-102400 ISO no Enhancement
    Image Processor X Processor Pro PRIME III
    DXO Sensor Quality (score) .. 101
    DXO Color Depth (bits) .. 26.0
    DXO Dynamic Range (EV) .. 14.7
    DXO Low Light (ISO) .. 4505
    Screen Specs Fujifilm GFX 50R Pentax 645Z
    Viewfinder Type Electronic viewfinder Optical viewfinder
    Viewfinder Field of View 100% 98%
    Viewfinder Magnification 0.77x 0.78x
    Viewfinder Resolution 3690k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.2 inch 3.2 inch
    LCD Resolution 2360k dots 1037k dots
    LCD Attachment Tilting screen Tilting screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Fujifilm GFX 50R Pentax 645Z
    Autofocus System Contrast-detect AF Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000/s 1/4000/s
    Continuous Shooting 3 shutter flaps/s 3 shutter flaps/s
    Electronic Shutterup to 1/16000sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium SDXC cards SDXC cards
    Second Storage Option Dual card slots Dual card slots
    UHS card support Dual UHS-II UHS-I
    Connectivity Specs Fujifilm GFX 50R Pentax 645Z
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket PC Sync socket
    USB Connector USB 3.0 USB 3.0
    HDMI Port micro HDMI mini HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port Headphone port
    Wifi Support Wifi built-in no Wifi
    Bluetooth Support Bluetooth built-in no Bluetooth
    Body Specs Fujifilm GFX 50R Pentax 645Z
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type NP-T125 power pack D-LI90 power pack
    Battery Life (CIPA)400 shots per charge650 shots per charge
    Body Dimensions 161 x 97 x 66 mm
    (6.3 x 3.8 x 2.6 in)
    156 x 117 x 123 mm
    (6.1 x 4.6 x 4.8 in)
    Camera Weight 775 g (27.3 oz) 1550 g (54.7 oz)

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