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Epson R-D1 vs Fujifilm GFX 100

The Epson R-D1 and the Fujifilm GFX 100 are two digital cameras that were officially introduced, respectively, in March 2004 and May 2019. The R-D1 is a rangefinder-focusing mirrorless, while the GFX 100 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (R-D1) and a medium format (GFX 100) sensor. The Epson has a resolution of 6 megapixels, whereas the Fujifilm provides 101.8 MP.

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

Headline Specifications
Epson R-D1
versus
Fujifilm GFX 100
Epson R-D1   Fujifilm GFX 100
Rangefinder camera Mirrorless system camera
Leica M mount lenses Fujifilm G mount lenses
6 MP – APS-C sensor 101.8 MP – Medium Format sensor
no Video 4K/30p Video
ISO 200-1,600 ISO 100-12,800 (50 - 102,400)
Optical viewfinder Viewfinder optional
2.0" LCD – 235k dots 3.2" LCD – 2360k dots
Fixed screen (not touch-sensitive) Fully flexible touchscreen
1 shutter flaps per second 5 shutter flaps per second
no shake reductionIn-body stabilization
not weather sealedWeathersealed body
142 x 89 x 40 mm, 620 g 156 x 144 x 75 mm, 1320 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Epson R-D1 and the Fujifilm GFX 100? 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

An illustration of the physical size and weight of the Epson R-D1 and the Fujifilm GFX 100 is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All size dimensions are rounded to the nearest millimeter.

Size Epson R-D1 vs Fujifilm GFX 100
Compare R-D1 versus GFX 100 top
Comparison R-D1 or GFX 100 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Fujifilm GFX 100 is considerably larger (78 percent) than the Epson R-D1. Moreover, the GFX 100 is substantially heavier (113 percent) than the R-D1. It is noteworthy in this context that the GFX 100 is splash and dust-proof, while the R-D1 does not feature any corresponding weather-sealing.

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.

As can be seen in the images above, the GFX 100 has a battery grip built in. This facilitates image-taking in portrait orientation and gives it additional battery power. The power pack in the GFX 100 can be charged via the USB port, which can be very convenient when travelling.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.

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Body Specifications
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Epson R-D1 142 mm 89 mm 40 mm 620 g .. n Mar 2004 2,999ebay.com
2.
 
Fujifilm GFX 100 156 mm 144 mm 75 mm 1320 g 800 Y May 2019 9,999ebay.com
3.
 
Canon Rebel 142 mm 99 mm 72 mm 649 g 400 n Aug 2003 899ebay.com
4.
 
Fujifilm GFX 100 II 152 mm 117 mm 99 mm 1030 g 540 Y Sep 2023 7,499 amazon.com
5.
 
Fujifilm GFX 100S 150 mm 104 mm 87 mm 900 g 460 Y Jan 2021 5,999 amazon.com
6.
 
Fujifilm GFX 50S II 150 mm 104 mm 87 mm 900 g 440 Y Sep 2021 3,999 amazon.com
7.
 
Fujifilm GFX 50R 161 mm 97 mm 66 mm 775 g 400 Y Sep 2018 4,499ebay.com
8.
 
Hasselblad X2D 100C 149 mm 106 mm 75 mm 895 g 420 Y Sep 2022 8,199 amazon.com
9.
 
Leica CL 131 mm 78 mm 45 mm 403 g 220 n Nov 2017 2,795ebay.com
10.
 
Leica M10 139 mm 80 mm 39 mm 660 g 210 Y Jan 2017 6,595ebay.com
11.
 
Leica X-U Typ 113 140 mm 79 mm 88 mm 635 g 450 Y Jan 2016 2,950ebay.com
12.
 
Leica X Vario 133 mm 73 mm 95 mm 680 g 450 n Jun 2013 2,850ebay.com
13.
 
Leica M9 139 mm 80 mm 37 mm 585 g 550 n Sep 2009 7,999ebay.com
14.
 
Nikon D40 124 mm 94 mm 64 mm 522 g 470 n Nov 2006 499ebay.com
15.
 
Nikon D50 133 mm 102 mm 76 mm 620 g 400 n Apr 2005 749ebay.com
16.
 
Nikon D70s 140 mm 111 mm 78 mm 679 g 500 n Apr 2005 899ebay.com
17.
 
Nikon D70 140 mm 111 mm 78 mm 679 g 400 n Jan 2004 999ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
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The price is, of course, an important factor in any camera decision. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The R-D1 was launched at a markedly lower price (by 70 percent) than the GFX 100, 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 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. 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Epson R-D1 features an APS-C sensor and the Fujifilm GFX 100 a medium format sensor. The sensor area in the GFX 100 is 289 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.5 and 0.79. The sensor in the R-D1 has a native 3:2 aspect ratio, while the one in the GFX 100 offers a 4:3 aspect.

Epson R-D1 and Fujifilm GFX 100 sensor measures

With 101.8MP, the GFX 100 offers a higher resolution than the R-D1 (6MP), but the GFX 100 has smaller individual pixels (pixel pitch of 3.76μm versus 7.85μm for the R-D1). Yet, the GFX 100 is a much more recent model (by 15 years and 2 months) than the R-D1, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the GFX 100 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Fujifilm GFX 100 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the GFX 100 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 Epson R-D1 are 15 x 10 inches or 38.2 x 25.4 cm for good quality, 12 x 8 inches or 30.6 x 20.3 cm for very good quality, and 10 x 6.7 inches or 25.5 x 16.9 cm for excellent quality prints.

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

The Epson R-D1 has a native sensitivity range from ISO 200 to ISO 1600. The corresponding ISO settings for the Fujifilm GFX 100 are ISO 100 to ISO 12800, with the possibility to increase the ISO range to 50-102400.

In terms of underlying technology, the R-D1 is build around a CCD sensor, while the GFX 100 uses a BSI-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.

R-D1 versus GFX 100 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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Sensor Characteristics
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Epson R-D1 APS-C 6.0 3008 2000none21.110.456455
2.
 
Fujifilm GFX 100 Medium Format 101.8 11648 87364K/30p25.714.5322799
3.
 
Canon Rebel APS-C 6.3 3072 2048none21.010.854455
4.
 
Fujifilm GFX 100 II Medium Format 101.8 11648 87368K/30p25.915.03651101
5.
 
Fujifilm GFX 100S Medium Format 101.8 11648 87364K/30p25.814.73391100
6.
 
Fujifilm GFX 50S II Medium Format 51.1 8256 61921080/30p25.914.83456100
7.
 
Fujifilm GFX 50R Medium Format 51.1 8256 61921080/30p25.714.4316998
8.
 
Hasselblad X2D 100C Medium Format 102.1 11656 8762none25.914.93550101
9.
 
Leica CL APS-C 24.1 6014 40144K/30p24.013.3178882
10.
 
Leica M10 Full Frame 23.8 5952 3992none24.413.2213386
11.
 
Leica X-U Typ 113 APS-C 16.1 4928 32641080/30p23.813.0161480
12.
 
Leica X Vario APS-C 16.1 4928 32721080/30p23.412.7132078
13.
 
Leica M9 Full Frame 18.1 5212 3472none22.511.788469
14.
 
Nikon D40 APS-C 6.0 3008 2000none21.011.056156
15.
 
Nikon D50 APS-C 6.0 3008 2000none20.910.856055
16.
 
Nikon D70s APS-C 6.0 3008 2000none20.410.352950
17.
 
Nikon D70 APS-C 6.0 3008 2000none20.410.352950
Note: DXO values in italics represent estimates based on sensor size and age.
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Many modern cameras cannot only take still pictures, but also record videos. The GFX 100 indeed provides for movie recording, while the R-D1 does not. The highest resolution format that the GFX 100 can use is 4K/30p.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the R-D1 has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the GFX 100 relies on live view and the rear LCD for framing. That said, the GFX 100 can be equipped with an optional viewfinder – the EVF-GFX2. The table below summarizes some of the other core capabilities of the Epson R-D1 and Fujifilm GFX 100 in connection with corresponding information for a sample of similar cameras.

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Core Features
# image 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.
 
Epson R-D1optical n2.0 / 235 fixed n 1/2000s 1.0/s n n
2.
 
Fujifilm GFX 100optional Y3.2 / 2360 full-flex Y 1/4000s 5.0/s n Y
3.
 
Canon Rebeloptical n1.8 / 118 fixed n 1/4000s 2.5/s Y n
4.
 
Fujifilm GFX 100 II9440 Y3.2 / 2360 full-flex Y 1/4000s 8.0/s n Y
5.
 
Fujifilm GFX 100S3690 Y3.2 / 2360 full-flex Y 1/4000s 5.0/s n Y
6.
 
Fujifilm GFX 50S II3690 Y3.2 / 2360 full-flex Y 1/4000s 3.0/s n Y
7.
 
Fujifilm GFX 50R3690 n3.2 / 2360 tilting Y 1/4000s 3.0/s n n
8.
 
Hasselblad X2D 100C5760 Y3.6 / 2360 tilting Y 1/4000s 3.3/s n Y
9.
 
Leica CL2360 Y3.0 / 1040 fixed Y 1/8000s 10.0/s n n
10.
 
Leica M10optical n3.0 / 1037 fixed n 1/4000s 5.0/s n n
11.
 
Leica X-U Typ 113optional n3.0 / 920 fixed n 1/2000s 5.0/s Y n
12.
 
Leica X Variooptional n3.0 / 920 fixed n 1/2000s 5.0/s Y n
13.
 
Leica M9optical n2.5 / 230 fixed n 1/4000s 2.0/s n n
14.
 
Nikon D40optical n2.5 / 230 fixed n 1/4000s 2.5/s Y n
15.
 
Nikon D50optical n2.0 / 130 fixed n 1/4000s 2.5/s Y n
16.
 
Nikon D70soptical n2.0 / 130 fixed n 1/8000s 3.0/s Y n
17.
 
Nikon D70optical n1.8 / 130 fixed n 1/8000s 3.0/s Y n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
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One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The GFX 100 has a touchscreen, while the R-D1 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 100 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 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.

The R-D1 writes its imaging data to SDHC cards, while the GFX 100 uses SDXC cards. The GFX 100 features dual card slots, which can be very useful in case a memory card fails. In contrast, the R-D1 only has one slot. The GFX 100 supports UHS-II cards (on both slots), while the R-D1 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 Epson R-D1 and Fujifilm GFX 100 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
# image Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Epson R-D1Y- / --------
2.
 
Fujifilm GFX 100Ystereo / monoYYmicro3.1Y-Y
3.
 
Canon RebelY- / ----1.1---
4.
 
Fujifilm GFX 100 IIYstereo / monoYYfull3.2Y-Y
5.
 
Fujifilm GFX 100SYstereo / monoYYmicro3.2Y-Y
6.
 
Fujifilm GFX 50S IIYstereo / monoYYmicro3.2Y--
7.
 
Fujifilm GFX 50RYstereo / monoYYmicro3.0Y-Y
8.
 
Hasselblad X2D 100CYstereo / mono---3.2Y--
9.
 
Leica CLYstereo / mono----Y--
10.
 
Leica M10Y- / -----Y--
11.
 
Leica X-U Typ 113Ystereo / mono---2.0---
12.
 
Leica X VarioYstereo / mono--mini2.0---
13.
 
Leica M9Y- / ----2.0---
14.
 
Nikon D40Y- / ----2.0---
15.
 
Nikon D50Y- / ----2.0---
16.
 
Nikon D70sY- / ----2.0---
17.
 
Nikon D70Y- / ----1.0---
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It is notable that the GFX 100 offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the R-D1 does not provide wifi capability.

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

Both the R-D1 and the GFX 100 have been discontinued, but can regularly be found used on ebay. The GFX 100 was replaced by the Fujifilm GFX 100 II, while the R-D1 does not have a direct successor. Further information on the features and operation of the R-D1 and GFX 100 can be found, respectively, in the Epson R-D1 Manual (free pdf) or the online Fujifilm GFX 100 Manual.

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Review summary

So what conclusions can be drawn? Which of the two cameras – the Epson R-D1 or the Fujifilm GFX 100 – has the upper hand? Is one clearly better than the other? The listing below highlights the relative strengths of the two models.

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Reasons to prefer the Epson R-D1:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Easier framing: Has an optical viewfinder for image composition and settings control.
  • More compact: Is smaller (142x89mm vs 156x144mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 700g or 53 percent) and hence easier to carry around.
  • More affordable: Was introduced into a lower priced category (70 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in March 2004).

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Advantages of the Fujifilm GFX 100:

  • More detail: Has more megapixels (101.8 vs 6MP), which boosts linear resolution by 303%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Is equipped with a larger and more technologically advanced 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.
  • Broader imaging potential: Can capture not only stills but also 4K/30p video.
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • Larger screen: Has a bigger rear LCD (3.2" vs 2.0") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (2360k vs 235k dots).
  • More flexible LCD: Has a full-flex screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster shutter: Has higher mechanical shutter speed (1/4000s vs 1/2000s) to freeze action.
  • Faster burst: Shoots at higher frequency (5 vs 1 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More portrait friendly: Features an integrated vertical grip for easier portrait shooting.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • 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.
  • 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 15 years and 2 months of technical progress since the R-D1 launch.

If the count of individual advantages (bullet points above) is taken as a guide, the GFX 100 is the clear winner of the contest (26 : 6 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

R-D1 06:26 GFX 100

In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains incomplete and does no justice, for example, to the way the R-D1 or the GFX 100 perform in practice. 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

This is why expert reviews are important. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (amateurphotographer [AP], cameralabs [CL], 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
# image  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Epson R-D1............ Mar 2004 2,999ebay.com
2.
 
Fujifilm GFX 1004.5/5+ +4.8/590/1005/54.5/5 May 2019 9,999ebay.com
3.
 
Canon Rebel......+ +.... Aug 2003 899ebay.com
4.
 
Fujifilm GFX 100 II5/5+5/5....4.5/5 Sep 2023 7,499 amazon.com
5.
 
Fujifilm GFX 100S5/5+ +5/590/1005/55/5 Jan 2021 5,999 amazon.com
6.
 
Fujifilm GFX 50S II5/5..5/587/100..5/5 Sep 2021 3,999 amazon.com
7.
 
Fujifilm GFX 50R5/5..5/584/1004.5/54.5/5 Sep 2018 4,499ebay.com
8.
 
Hasselblad X2D 100C4/5..5/5...... Sep 2022 8,199 amazon.com
9.
 
Leica CL....4.2/5....4/5 Nov 2017 2,795ebay.com
10.
 
Leica M104.5/5......4/54.5/5 Jan 2017 6,595ebay.com
11.
 
Leica X-U Typ 1133.5/5........3.5/5 Jan 2016 2,950ebay.com
12.
 
Leica X Vario3/5......4/54/5 Jun 2013 2,850ebay.com
13.
 
Leica M9........4.5/5.. Sep 2009 7,999ebay.com
14.
 
Nikon D40..81/100..+ +o4.5/5 Nov 2006 499ebay.com
15.
 
Nikon D50..78/100..+ +4/54.5/5 Apr 2005 749ebay.com
16.
 
Nikon D70s..........5/5 Apr 2005 899ebay.com
17.
 
Nikon D70......+ +.... Jan 2004 999ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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The review scores listed above should be treated with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

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Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just make your choice using the following search menu. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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    Specifications: Epson R-D1 vs Fujifilm GFX 100

    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 Epson R-D1 Fujifilm GFX 100
    Camera Type Rangefinder camera Mirrorless system camera
    Camera Lens Leica M mount lenses Fujifilm G mount lenses
    Launch Date March 2004 May 2019
    Launch Price USD 2,999 USD 9,999
    Sensor Specs Epson R-D1 Fujifilm GFX 100
    Sensor Technology CCD BSI-CMOS
    Sensor Format APS-C Sensor Medium Format Sensor
    Sensor Size 23.7 x 15.6 mm 43.8 x 32.9 mm
    Sensor Area 369.72 mm2 1441.02 mm2
    Sensor Diagonal 28.4 mm 54.8 mm
    Crop Factor 1.5x 0.79x
    Sensor Resolution 6 Megapixels 101.8 Megapixels
    Image Resolution 3008 x 2000 pixels 11648 x 8736 pixels
    Pixel Pitch 7.85 μm 3.76 μm
    Pixel Density 1.63 MP/cm2 7.06 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability no Video 4K/30p Video
    ISO Setting 200 - 1,600 ISO 100 - 12,800 ISO
    ISO Boost no Enhancement 50 - 102,400 ISO
    Screen Specs Epson R-D1 Fujifilm GFX 100
    Viewfinder Type Optical viewfinder Viewfinder optional
    Viewfinder Field of View 100%
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View
    Rear LCD Size 2.0inch 3.2inch
    LCD Resolution 235k dots 2360k dots
    LCD Attachment Fixed screen Fully flexible screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Epson R-D1 Fujifilm GFX 100
    Focus System Manual Focus On-Sensor Phase-detect
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/2000s 1/4000s
    Continuous Shooting 1 shutter flaps/s 5 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/16000s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Image Stabilizationno shake reductionIn-body stabilization
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium SDHC cards SDXC cards
    Single or Dual Card Slots Single card slot Dual card slots
    UHS card support no Dual UHS-II
    Connectivity Specs Epson R-D1 Fujifilm GFX 100
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket PC Sync socket
    USB Connector no USB USB 3.1
    HDMI Port no HDMI micro HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support no Wifi Wifi built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Epson R-D1 Fujifilm GFX 100
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Epson EU-85 Fujifilm NP-T125
    In-Camera Charging no USB charging USB charging
    Body Dimensions 142 x 89 x 40 mm
    (5.6 x 3.5 x 1.6 in)
    156 x 144 x 75 mm
    (6.1 x 5.7 x 3.0 in)
    Camera Weight 620 g (21.9 oz) 1320 g (46.6 oz)
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