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Fujifilm GFX 50S vs Pentax 645D

The Fujifilm GFX 50S and the Pentax 645D are two professional cameras that were officially introduced, respectively, in September 2016 and March 2010. The GFX 50S is a mirrorless interchangeable lens camera, while the 645D is a DSLR. Both cameras are equipped with a medium format sensor. The Fujifilm has a resolution of 51.1 megapixels, whereas the Pentax provides 39.5 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 645D
Fujifilm GFX 50S Pentax 645D
Mirrorless system camera Digital single lens reflex
Fujifilm G mount lenses Pentax 645 mount lenses
51.1 MP, Medium Format Sensor 39.5 MP, Medium Format Sensor
1080/30p Video no Video
ISO 100-12,800 (50 - 102,400) ISO 100-1,600
Viewfinder optional Optical viewfinder
3.2 LCD, 2360k dots 3.0 LCD, 921k dots
Fully flexible touchscreen Fixed screen (not touch-sensitive)
3 shutter flaps per second 1.1 shutter flaps per second
Weathersealed bodyWeathersealed body
400 shots per battery charge800 shots per battery charge
148 x 94 x 91 mm, 740 g 156 x 117 x 119 mm, 1480 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm GFX 50S and the Pentax 645D? 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 645D. 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 50S vs Pentax 645D
Compare GFX 50S versus 645D top
Comparison GFX 50S or 645D rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax 645D is notably larger (31 percent) than the Fujifilm GFX 50S. Moreover, the 645D is substantially heavier (100 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 645D can take 800 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. In case you want to display and compare another camera duo, just click on the right or left arrow next to the camera that you would like to inspect. Alternatively, you can also use the CAM-parator to select your camera combination among a larger number of options.

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Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life 1
Weather
Sealing
Camera
Launch 2
Launch
Price (USD)
Street
Price
 
Fujifilm GFX 50S 148 mm 94 mm 91 mm 740 g 400 Y Sep 2016 6,499 i
 
Pentax 645D 156 mm 117 mm 119 mm 1480 g 800 Y Mar 2010 9,995i
 
Canon 6D Mark II 144 mm 111 mm 75 mm 765 g 1200 Y Jun 2017 1,999 i
 
Canon 1D X Mark II 158 mm 168 mm 83 mm 1530 g 1210 Y Feb 2016 5,999i
 
Canon 5D Mark IV 151 mm 116 mm 76 mm 890 g 900 Y Aug 2016 3,499 i
 
Canon 80D 139 mm 105 mm 79 mm 730 g 960 Y Feb 2016 1,199i
 
Canon 1D X 158 mm 168 mm 83 mm 1551 g 1120 Y Oct 2011 6,799i
 
Canon 1D Mark IV 156 mm 157 mm 80 mm 1230 g 1500 Y Oct 2009 4,999i
 
Fujifilm GFX 50R 161 mm 97 mm 66 mm 775 g 400 Y Sep 2018 4,499 i
 
Hasselblad X1D II 148 mm 97 mm 70 mm 766 g .. Y Jun 2019 5,750 i
 
Hasselblad X1D 150 mm 98 mm 71 mm 725 g .. Y Jun 2016 8,995i
 
Leica M10 139 mm 80 mm 39 mm 660 g 210 Y Jan 2017 6,595 i
 
Leica SL 147 mm 104 mm 39 mm 847 g 400 Y Oct 2015 7,450i
 
Leica S Typ 006 160 mm 120 mm 80 mm 1260 g .. Y Sep 2012 21,950i
 
Nikon D7500 136 mm 104 mm 73 mm 720 g 950 Y Apr 2017 1,299 i
 
Nikon D3S 160 mm 157 mm 88 mm 1240 g 4200 Y Oct 2009 5,199i
 
Pentax 645Z 156 mm 117 mm 123 mm 1550 g 650 Y Apr 2014 8,499 i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
(1) Number of images that can be taken on a full battery charge according to the CIPA-standard; (2) Official announcement.

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 GFX 50S was launched at a markedly lower price (by 35 percent) than the 645D, 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 imaging sensor is at the core of digital cameras and its size is one of the main determining factors of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. 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 and have a format factor (sometimes also referred to as "crop factor") of 0.79. Within the spectrum of camera sensors, this places the review cameras among the large-sensor cameras that aim for top notch image quality. Both cameras feature a native aspect ratio (sensor width to sensor height) of 4:3.

Fujifilm GFX 50S and Pentax 645D sensor measures

While the two cameras under review share the same sensor size, the GFX 50S offers a higher resolution of 51.1 megapixels, compared with 39.5 MP of the 645D. This megapixels advantage translates into a 14 percent gain in linear resolution. On the other hand, these sensor specs imply that the GFX 50S has a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 5.33μm versus 6.06μm for the 645D). In this context, it should be noted, however, that the GFX 50S is much more recent (by 6 years and 6 months) than the 645D, and its sensor will have benefitted from technological advances during this time that compensate for the smaller pixel size. 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 645D are 36.3 x 27.2 inches or 92.3 x 69.1 cm for good quality, 29.1 x 21.8 inches or 73.8 x 55.3 cm for very good quality, and 24.2 x 18.1 inches or 61.5 x 46.1 cm for excellent quality prints.

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 645D are ISO 100 to ISO 1600 (no boost).

GFX 50S versus 645D MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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 following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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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
 
Fujifilm GFX 50S Medium Format 51.1 8256 61921080/30p........
 
Pentax 645D Medium Format 39.5 7264 5440none24.612.6126282
 
Canon 6D Mark II Full Frame 26.0 6240 41601080/60p24.411.9286285
 
Canon 1D X Mark II Full Frame 20.0 5472 36484K/60p24.113.5320788
 
Canon 5D Mark IV Full Frame 30.1 6720 44804K/30p24.813.6299591
 
Canon 80D APS-C 24.0 6000 40001080/60p23.613.2113579
 
Canon 1D X Full Frame 17.9 5184 34561080/30p23.811.8278682
 
Canon 1D Mark IV APS-H 16.0 4896 32641080/30p22.812.0132074
 
Fujifilm GFX 50R Medium Format 51.1 8256 61921080/30p........
 
Hasselblad X1D II Medium Format 51.3 8272 6200none........
 
Hasselblad X1D Medium Format 51.3 8272 62001080/25p26.214.84489102
 
Leica M10 Full Frame 23.8 5952 3992none24.413.2213386
 
Leica SL Full Frame 24.0 6000 40004K/30p25.013.4182188
 
Leica S Typ 006 Medium Format 37.5 7500 5000none23.912.282476
 
Nikon D7500 APS-C 20.7 5568 37124K/30p24.314.0148386
 
Nikon D3S Full Frame 12.1 4256 2832720/24p23.512.0325382
 
Pentax 645Z Medium Format 51.1 8256 61921080/60i26.014.74505101

Many modern cameras cannot only take still pictures, but also record videos. The GFX 50S indeed provides movie recording capabilities, while the 645D does not. The highest resolution format that the GFX 50S can use is 1080/30p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the 645D 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 table below summarizes some of the other core capabilities of the Fujifilm GFX 50S and Pentax 645D in connection with corresponding information for a sample of similar 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
 
Fujifilm GFX 50Soptional Y 3.2 2360 full-flex Y 1/4000s 3.0 n n
 
Pentax 645Doptical Y 3.0 921 fixed n 1/4000s 1.1 n n
 
Canon 6D Mark IIoptical Y 3.0 1040 swivel Y 1/4000s 6.5 n n
 
Canon 1D X Mark IIoptical Y 3.2 1620 fixed Y 1/8000s 16.0 n n
 
Canon 5D Mark IVoptical Y 3.2 1620 fixed Y 1/8000s 7.0 n n
 
Canon 80Doptical Y 3.0 1040 swivel Y 1/8000s 7.0 Y n
 
Canon 1D Xoptical Y 3.2 1040 fixed n 1/8000s 14.0 n n
 
Canon 1D Mark IVoptical Y 3.0 920 fixed n 1/8000s 10.0 n n
 
Fujifilm GFX 50R3690 n 3.2 2360 tilting Y 1/4000s 3.0 n n
 
Hasselblad X1D II3690 n 3.6 2360 fixed Y 1/2000s 2.7 n n
 
Hasselblad X1D2360 n 3.0 920 fixed Y 1/2000s 2.3 n n
 
Leica M10optical n 3.0 1037 fixed n 1/4000s 5.0 n n
 
Leica SL4400 Y 3.0 1040 fixed Y 1/8000s 11.0 n n
 
Leica S Typ 006optical Y 3.0 922 fixed n 1/4000s 1.5 n n
 
Nikon D7500optical Y 3.2 922 tilting Y 1/8000s 8.0 Y n
 
Nikon D3Soptical Y 3.0 921 fixed n 1/8000s 11.0 n n
 
Pentax 645Zoptical Y 3.2 1037 tilting n 1/4000s 3.0 n n

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The GFX 50S has a touchscreen, while the 645D 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 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 645D 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 645D 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 50S supports UHS-II cards (on both slots), while the 645D cannot take advantage of Ultra High Speed SD 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 645D 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
 
Fujifilm GFX 50SYstereomonoYYmicro3.0Y--
 
Pentax 645DYstereo----2.0---
 
Canon 6D Mark IIYstereomonoY-mini2.0YYY
 
Canon 1D X Mark IIYmonomonoYYmini3.0---
 
Canon 5D Mark IVYmonomonoYYmini3.0YY-
 
Canon 80DYstereomonoYYmini2.0YY-
 
Canon 1D XYmono-Y-mini2.0---
 
Canon 1D Mark IVYstereo-Y-mini2.0---
 
Fujifilm GFX 50RYstereomonoYYmicro3.0Y-Y
 
Hasselblad X1D IIYstereomonoYY-3.0Y--
 
Hasselblad X1DYstereomonoYYmini3.0Y--
 
Leica M10Y------Y--
 
Leica SLYstereomonoYYfull3.0Y--
 
Leica S Typ 006Y----mini2.0---
 
Nikon D7500YstereomonoYYmini2.0Y-Y
 
Nikon D3SYstereo---mini2.0---
 
Pentax 645ZYstereomonoY-mini3.0---

It is notable that the GFX 50S offers wifi support, while the 645D does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

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

The GFX 50S is a recent model that features in the current product line-up of Fujifilm. In contrast, the 645D has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the 645D was succeeded by the Pentax 645Z. 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? Is the Fujifilm GFX 50S better than the Pentax 645D or vice versa? The listing below highlights the relative strengths of the two models.

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Advantages of the Fujifilm GFX 50S:

  • More detail: Offers more megapixels (51.1 vs 39.5MP) with a 14% higher linear resolution.
  • Broader imaging potential: Can record not only still images but also 1080/30p movies.
  • 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.
  • Faster burst: Shoots at higher frequency (3 vs 1.1 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (148x94mm vs 156x117mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 740g or 50 percent) and hence easier to carry around.
  • 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).
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Faster buffer clearing: Supports Ultra High Speed (UHS-II) SDXC cards on both slots.
  • More affordable: Was introduced into a lower priced category (35 percent cheaper at launch).
  • More modern: Reflects 6 years and 6 months of technical progress since the 645D launch.

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Reasons to prefer the Pentax 645D:

  • Easier framing: Has an optical viewfinder for image composition and settings control.
  • Longer lasting: Gets more shots (800 versus 400) out of a single battery charge.
  • More heavily discounted: Has been around for much longer (launched in March 2010).

If the number of relative strengths (bullet points above) is taken as a guide, the GFX 50S is the clear winner of the match-up (16 : 3 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 50S 16:03 645D

How about other alternatives? Do the specifications of the Fujifilm GFX 50S and the Pentax 645D 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 50S or the 645D 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 (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.

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Review Scores
  Camera
Model
camera
  labs  
dp
review  
ephoto
  zine  
imaging
resource
photography
  blog  
Camera
Launch
Launch
Price (USD)
Street
Price
 
Fujifilm GFX 50S..85/1005/55/54.5/5 Sep 2016 6,499 i
 
Pentax 645D......4.5/5.. Mar 2010 9,995i
 
Canon 6D Mark II+80/1004.5/54/54/5 Jun 2017 1,999 i
 
Canon 1D X Mark II..89/1004.5/55/54.5/5 Feb 2016 5,999i
 
Canon 5D Mark IV+ +87/1004.5/55/54.5/5 Aug 2016 3,499 i
 
Canon 80D+ +84/1004.5/54.5/54.5/5 Feb 2016 1,199i
 
Canon 1D X....4.5/54.5/54.5/5 Oct 2011 6,799i
 
Canon 1D Mark IV..89/100..5/5.. Oct 2009 4,999i
 
Fujifilm GFX 50R..84/1004.5/54.5/54.5/5 Sep 2018 4,499 i
 
Hasselblad X1D II....4/5..4/5 Jun 2019 5,750 i
 
Hasselblad X1Do81/100....4/5 Jun 2016 8,995i
 
Leica M10....4/5..4.5/5 Jan 2017 6,595 i
 
Leica SL..84/1004.5/54/54/5 Oct 2015 7,450i
 
Leica S Typ 006.......... Sep 2012 21,950i
 
Nikon D7500+ +86/1005/54.5/54.5/5 Apr 2017 1,299 i
 
Nikon D3S..89/1004.5/55/55/5 Oct 2009 5,199i
 
Pentax 645Z....4.5/55/55/5 Apr 2014 8,499 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 50S:
Check Amazon price
Pentax 645D:
Check Ebay offers

Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just use the search menu below. 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 645D

    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 645D
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Fujifilm G mount lenses Pentax 645 mount lenses
    Launch Date September 2016 March 2010
    Launch Price USD 6,499 USD 9,995
    Sensor Specs Fujifilm GFX 50S Pentax 645D
    Sensor Technology CMOS CCD
    Sensor Format Medium Format Sensor Medium Format Sensor
    Sensor Size 44.0 x 33.0 mm 44.0 x 33.0 mm
    Sensor Area 1452 mm2 1452 mm2
    Sensor Diagonal 55 mm 55 mm
    Crop Factor 0.79x 0.79x
    Sensor Resolution 51.1 Megapixels 39.5 Megapixels
    Image Resolution 8256 x 6192 pixels 7264 x 5440 pixels
    Pixel Pitch 5.33 μm 6.06 μm
    Pixel Density 3.52 MP/cm2 2.72 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 1080/30p Video no Video
    ISO Setting 100 - 12,800 ISO 100 - 1,600 ISO
    ISO Boost 50 - 102,400 ISO no Enhancement
    Image Processor X Processor Pro PRIME II
    DXO Sensor Quality (score) .. 82
    DXO Color Depth (bits) .. 24.6
    DXO Dynamic Range (EV) .. 12.6
    DXO Low Light (ISO) .. 1262
    Screen Specs Fujifilm GFX 50S Pentax 645D
    Viewfinder Type Viewfinder optional Optical viewfinder
    Viewfinder Field of View 98%
    Viewfinder Magnification 0.78x
    Top-Level Screen Control Panel Control Panel
    LCD Framing 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 50S Pentax 645D
    Focus System Contrast-detect AF Phase-detect AF
    Manual Focusing AidFocus Peakingno Peaking Feature
    Continuous Shooting 3 shutter flaps/s 1.1 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 no
    Connectivity Specs Fujifilm GFX 50S Pentax 645D
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket PC Sync socket
    USB Connector USB 3.0 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
    Body Specs Fujifilm GFX 50S Pentax 645D
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type NP-T125 D-LI90
    Battery Life (CIPA)400 shots per charge800 shots per charge
    Body Dimensions 148 x 94 x 91 mm
    (5.8 x 3.7 x 3.6 in)
    156 x 117 x 119 mm
    (6.1 x 4.6 x 4.7 in)
    Camera Weight 740 g (26.1 oz) 1480 g (52.2 oz)

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