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Fujifilm GFX 100 vs Olympus E-420

The Fujifilm GFX 100 and the Olympus E-420 are two digital cameras that were officially introduced, respectively, in May 2019 and March 2008. The GFX 100 is a mirrorless interchangeable lens camera, while the E-420 is a DSLR. The cameras are based on a medium format (GFX 100) and a Four Thirds (E-420) sensor. The Fujifilm has a resolution of 101.8 megapixels, whereas the Olympus provides 10 MP.

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

Headline Specifications
Fujifilm GFX 100   Olympus E-420
Fujifilm GFX 100 Olympus E-420
Mirrorless system camera Digital single lens reflex
Fujifilm G mount lenses Four Thirds lenses
101.8 MP, Medium Format Sensor 10 MP, Four Thirds Sensor
4K/30p Video no Video
ISO 100-12800 (50-102400) ISO 100-1600
Viewfinder optional Optical viewfinder
3.2" LCD, 2360k dots 2.7" LCD, 215k dots
Tilting touchscreen Fixed screen (not touch-sensitive)
5 shutter flaps per second 3.5 shutter flaps per second
In-body stabilizationLens stabilization only
Weathersealed bodyNot weather sealed
800 shots per battery charge500 shots per battery charge
156 x 144 x 75 mm, 1320 g 130 x 91 x 53 mm, 440 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm GFX 100 and the Olympus E-420? 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

An illustration of the physical size and weight of the Fujifilm GFX 100 and the Olympus E-420 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 width, height and depth measures are rounded to the nearest millimeter.

Size Fujifilm GFX 100 vs Olympus E-420
Compare GFX 100 versus E-420 top
Comparison GFX 100 or E-420 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-420 is considerably smaller (47 percent) than the Fujifilm GFX 100. Moreover, the E-420 is substantially lighter (67 percent) than the GFX 100. It is worth mentioning in this context that the GFX 100 is splash and dust resistant, while the E-420 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.

Concerning battery life, the GFX 100 gets 800 shots out of its NP-T125 battery, while the E-420 can take 500 images on a single charge of its BLS-1 power pack. 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, so that it is not always necessary to take the battery charger along when travelling.

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 100» 6.1 in 5.7 in 3.0 in 46.6 oz 800 Y May 2019 9,999 i i Fujifilm GFX 100
 
Olympus E-420« 5.1 in 3.6 in 2.1 in 15.5 oz 500 n Mar 2008 599- i Olympus E-420
 
Fujifilm XP140« » 4.3 in 2.8 in 1.1 in 7.3 oz 240 Y Feb 2019 229 i i Fujifilm XP140
 
Fujifilm X-H1« » 5.5 in 3.8 in 3.4 in 23.7 oz 310 Y Feb 2018 1,899 i i Fujifilm X-H1
 
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
 
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
 
Nikon Z6« » 5.3 in 4.0 in 2.6 in 23.8 oz 310 Y Aug 2018 1,999 i i Nikon Z6
 
Nikon Z7« » 5.3 in 4.0 in 2.6 in 23.8 oz 330 Y Aug 2018 3,399 i i Nikon Z7
 
Olympus E-450« » 5.1 in 3.6 in 2.1 in 15.5 oz 500 n Mar 2009 499- i Olympus E-450
 
Olympus E-620« » 5.1 in 3.7 in 2.4 in 18.4 oz 500 n Feb 2009 699- i Olympus E-620
 
Olympus E-520« » 5.4 in 3.6 in 2.7 in 18.9 oz 750 n May 2008 699- i Olympus E-520
 
Olympus E-410« » 5.1 in 3.6 in 2.1 in 15.3 oz 500 n Mar 2007 699- i Olympus E-410
 
Olympus E-400« » 5.1 in 3.6 in 2.1 in 15.3 oz 500 n Sep 2006 699- i Olympus E-400
 
Pentax K-1 II« » 5.4 in 4.3 in 3.4 in 35.6 oz 670 Y Feb 2018 1,999 i i Pentax K-1 II
 
Pentax 645Z« » 6.1 in 4.6 in 4.8 in 54.7 oz 650 Y Apr 2014 8,499 i i Pentax 645Z
 
Pentax 645D« » 6.1 in 4.6 in 4.7 in 52.2 oz 800 Y Mar 2010 9,995- i Pentax 645D
 
Sony A7 III« » 5.0 in 3.8 in 2.9 in 22.9 oz 610 Y Feb 2018 1,999 i i Sony A7 III
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

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 E-420 was launched at a markedly lower price (by 94 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. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Fujifilm GFX 100 features a medium format sensor and the Olympus E-420 a Four Thirds sensor. The sensor area in the E-420 is 84 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 0.79 and 2.0. Both cameras feature a native aspect ratio (sensor width to sensor height) of 4:3.

Fujifilm GFX 100 and Olympus E-420 sensor measures

With 101.8MP, the GFX 100 offers a higher resolution than the E-420 (10MP), but the GFX 100 has smaller individual pixels (pixel pitch of 3.76μm versus 4.74μm for the E-420). However, the GFX 100 is a much more recent model (by 11 years and 2 months) than the E-420, 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 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 inch or 147.9 x 110.9 cm, for very good quality (250 dpi) 46.6 x 34.9 inch or 118.3 x 88.8 cm, and for excellent quality (300 dpi) 38.8 x 29.1 inch or 98.6 x 74 cm. The corresponding values for the Olympus E-420 are 18.2 x 13.7 inch or 46.3 x 34.7 cm for good quality, 14.6 x 10.9 inch or 37.1 x 27.8 cm for very good quality, and 12.2 x 9.1 inch or 30.9 x 23.2 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 Fujifilm GFX 100 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 Olympus E-420 are ISO 100 to ISO 1600 (no boost).

GFX 100 versus E-420 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 table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar 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 100» Medium Format 101.8 11648 87364K/30p----Fujifilm GFX 100
 
Olympus E-420« Four Thirds 10.0 3648 2736-21.510.452756Olympus E-420
 
Fujifilm XP140« » 1/2.3 15.9 4608 34564K/15p----Fujifilm XP140
 
Fujifilm X-H1« » APS-C 24.0 6000 40004K/30p----Fujifilm X-H1
 
Fujifilm GFX 50R« » Medium Format 51.1 8256 61921080/30p----Fujifilm GFX 50R
 
Fujifilm GFX 50S« » Medium Format 51.1 8256 61921080/30p----Fujifilm GFX 50S
 
Nikon Z6« » Full Frame 24.3 6048 40244K/30p25.314.3329995Nikon Z6
 
Nikon Z7« » Full Frame 45.4 8256 55044K/30p26.314.6266899Nikon Z7
 
Olympus E-450« » Four Thirds 10.0 3648 2736-21.510.551256Olympus E-450
 
Olympus E-620« » Four Thirds 12.2 4032 3024-21.310.353655Olympus E-620
 
Olympus E-520« » Four Thirds 10.0 3648 2736-21.410.454855Olympus E-520
 
Olympus E-410« » Four Thirds 10.0 3648 2736-21.110.049451Olympus E-410
 
Olympus E-400« » Four Thirds 10.0 3648 2736-----Olympus E-400
 
Pentax K-1 II« » Full Frame 36.2 7360 49121080/60i----Pentax K-1 II
 
Pentax 645Z« » Medium Format 51.1 8256 61921080/60i26.014.74505101Pentax 645Z
 
Pentax 645D« » Medium Format 39.5 7264 5440-24.612.6126282Pentax 645D
 
Sony A7 III« » Full Frame 24.0 6000 40004K/30p25.014.7373096Sony A7 III

Many modern cameras cannot only take still pictures, but also record videos. The GFX 100 indeed provides movie recording capabilities, while the E-420 does not. The highest resolution format that the GFX 100 can use is 4K/30p.

 

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the E-420 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 following table reports on some other key feature differences and similarities of the Fujifilm GFX 100, the Olympus E-420, and comparable 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 100»- Y 3.2 2360 tilting Y 1/4000s 5.0 n Y Fujifilm GFX 100
 
Olympus E-420«optical n 2.7 215 fixed n 1/4000s 3.5 Y n Olympus E-420
 
Fujifilm XP140« »- n 3.0 920 fixed n 1/2000s 10.0 Y Y Fujifilm XP140
 
Fujifilm X-H1« »3690 Y 3.0 1040 full-flex Y 1/8000s 14.0 n Y Fujifilm X-H1
 
Fujifilm GFX 50R« »3690 n 3.2 2360 tilting Y 1/4000s 3.0 n n Fujifilm GFX 50R
 
Fujifilm GFX 50S« »- Y 3.2 2360 full-flex Y 1/4000s 3.0 n n Fujifilm GFX 50S
 
Nikon Z6« »3690 Y 3.2 2100 tilting Y 1/8000s 12.0 n Y Nikon Z6
 
Nikon Z7« »3690 Y 3.2 2100 tilting Y 1/8000s 9.0 n Y Nikon Z7
 
Olympus E-450« »optical n 2.7 215 fixed n 1/4000s 3.5 Y n Olympus E-450
 
Olympus E-620« »optical n 2.7 230 swivel n 1/4000s 4.0 Y Y Olympus E-620
 
Olympus E-520« »optical n 2.7 215 fixed n 1/4000s 3.5 Y Y Olympus E-520
 
Olympus E-410« »optical n 2.5 215 fixed n 1/4000s 3.0 Y n Olympus E-410
 
Olympus E-400« »optical n 2.5 215 fixed n 1/4000s 3.0 Y n Olympus E-400
 
Pentax K-1 II« »optical Y 3.2 1037 full-flex n 1/8000s 4.4 n Y Pentax K-1 II
 
Pentax 645Z« »optical Y 3.2 1037 tilting n 1/4000s 3.0 n n Pentax 645Z
 
Pentax 645D« »optical Y 3.0 921 fixed n 1/4000s 1.1 n n Pentax 645D
 
Sony A7 III« »2359 n 3.0 922 tilting Y 1/8000s 10.0 n Y Sony A7 III

One feature that is present on the GFX 100, but is missing on the E-420 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 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 GFX 100 writes its imaging data to SDXC cards, while the E-420 uses Compact Flash or xD Picture cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails.

 

Connectivity comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Fujifilm GFX 100 and Olympus E-420 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 100»YstereomonoYYmicro3.1Y-YFujifilm GFX 100
 
Olympus E-420«Y-----2.0---Olympus E-420
 
Fujifilm XP140« »-monomono--micro2.0Y-YFujifilm XP140
 
Fujifilm X-H1« »YstereomonoY-micro3.0Y--Fujifilm X-H1
 
Fujifilm GFX 50R« »YstereomonoYYmicro3.0Y-YFujifilm GFX 50R
 
Fujifilm GFX 50S« »YstereomonoYYmicro3.0Y--Fujifilm GFX 50S
 
Nikon Z6« »YstereomonoYYmicro3.1Y-YNikon Z6
 
Nikon Z7« »YstereomonoYYmicro3.1Y-YNikon Z7
 
Olympus E-450« »Y-----2.0---Olympus E-450
 
Olympus E-620« »Y-----2.0---Olympus E-620
 
Olympus E-520« »Y-----2.0---Olympus E-520
 
Olympus E-410« »Y-----2.0---Olympus E-410
 
Olympus E-400« »Y-----2.0---Olympus E-400
 
Pentax K-1 II« »YstereomonoYYmicro2.0Y--Pentax K-1 II
 
Pentax 645Z« »YstereomonoY-mini3.0---Pentax 645Z
 
Pentax 645D« »Ystereo----2.0---Pentax 645D
 
Sony A7 III« »YstereomonoYYmicro3.1YYYSony A7 III

It is notable that the GFX 100 offers wifi support, while the E-420 does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

Studio photographers will appreciate that the Fujifilm GFX 100 (unlike the E-420) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The GFX 100 is a recent model that features in the current product line-up of Fujifilm. In contrast, the E-420 has been discontinued (but it can be found pre-owned on eBay). There has not been a direct replacement model for the E-420 from Olympus. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Fujifilm and Olympus websites.


Review summary

So what is the bottom line? Is there a clear favorite between the Fujifilm GFX 100 and the Olympus E-420? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.

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Reasons to prefer the Fujifilm GFX 100:

  • More detail: Offers more megapixels (101.8 vs 10MP) with a 219% 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.
  • Broader imaging potential: Can record not only still images but also 4K/30p movies.
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • Larger screen: Has a bigger rear LCD (3.2" vs 2.7") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (2360k vs 215k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • Faster burst: Shoots at higher frequency (5 vs 3.5 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.
  • Longer lasting: Can take more shots (800 versus 500) on a single battery charge.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
  • Faster data transfer: Supports a more advanced USB protocol (3.1 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.
  • More modern: Reflects 11 years and 2 months of technical progress since the E-420 launch.

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Arguments in favor of the Olympus E-420:

  • 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 (130x91mm vs 156x144mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 880g or 67 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 (94 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in March 2008).

If the count of individual advantages (bullet points above) is taken as a guide, the GFX 100 is the clear winner of the match-up (26 : 7 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 100 26:07 E-420

How about other alternatives? Do the specifications of the Fujifilm GFX 100 and the Olympus E-420 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 remains incomplete and does no justice, for example, to the way the GFX 100 or the E-420 perform in practice. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.

Expert reviews

This is where reviews by experts come in. 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.

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 100»+ +90/1005/5-4.5/5 May 2019 9,999 i i Fujifilm GFX 100
 
Olympus E-420«85/100+ +4/5o4.5/5 Mar 2008 599- i Olympus E-420
 
Fujifilm XP140« »+-3.5/5-4/5 Feb 2019 229 i i Fujifilm XP140
 
Fujifilm X-H1« »+86/1004.5/5-4.5/5 Feb 2018 1,899 i i Fujifilm X-H1
 
Fujifilm GFX 50R« »-84/1004.5/54.5/54.5/5 Sep 2018 4,499 i i Fujifilm GFX 50R
 
Fujifilm GFX 50S« »-85/1005/55/54.5/5 Sep 2016 6,499 i i Fujifilm GFX 50S
 
Nikon Z6« »--4.5/54.5/55/5 Aug 2018 1,999 i i Nikon Z6
 
Nikon Z7« »+89/1004.5/54.5/55/5 Aug 2018 3,399 i i Nikon Z7
 
Olympus E-450« »--4/5-4/5 Mar 2009 499- i Olympus E-450
 
Olympus E-620« »88/10072/1004.5/5o5/5 Feb 2009 699- i Olympus E-620
 
Olympus E-520« »87/100+ +4.5/54/54.5/5 May 2008 699- i Olympus E-520
 
Olympus E-410« »86/100+ +4/5o4.5/5 Mar 2007 699- i Olympus E-410
 
Olympus E-400« »85/100-4/5-4/5 Sep 2006 699- i Olympus E-400
 
Pentax K-1 II« »-79/1004.5/54.5/54.5/5 Feb 2018 1,999 i i Pentax K-1 II
 
Pentax 645Z« »--4.5/55/55/5 Apr 2014 8,499 i i Pentax 645Z
 
Pentax 645D« »---4.5/5- Mar 2010 9,995- i Pentax 645D
 
Sony A7 III« »+ +89/1005/55/55/5 Feb 2018 1,999 i i Sony A7 III
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (-) not available.

The review scores listed above should be treated with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparisons of ratings among very different cameras or across long time periods have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

Fujifilm GFX 100:
Check Amazon price
Olympus E-420:
Check Ebay offers

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. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Fujifilm GFX 100 vs Olympus E-420

    Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.

    Camera Specifications
    Camera Model Fujifilm GFX 100 Olympus E-420
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Fujifilm G mount lenses Four Thirds lenses
    Launch Date May 2019 March 2008
    Launch Price USD 9999 USD 599
    Sensor Specs Fujifilm GFX 100 Olympus E-420
    Sensor Technology BSI-CMOS CMOS
    Sensor Format Medium Format Sensor Four Thirds Sensor
    Sensor Size 43.8 x 32.9 mm 17.3 x 13.0 mm
    Sensor Area 1441.02 mm2 224.9 mm2
    Sensor Diagonal 54.8 mm 21.6 mm
    Crop Factor 0.79x 2.0x
    Sensor Resolution 101.8 Megapixels 10 Megapixels
    Image Resolution 11648 x 8736 pixels 3648 x 2736 pixels
    Pixel Pitch 3.76 μm 4.74 μm
    Pixel Density 7.06 MP/cm2 4.44 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 4K/30p Video no Video
    ISO Setting 100-12800 ISO 100-1600 ISO
    ISO Boost 50-102400 ISO no Enhancement
    Image Processor X-Processor 4 TruePic III
    DXO Sensor Quality (score) .. 56
    DXO Color Depth (bits) .. 21.5
    DXO Dynamic Range (EV) .. 10.4
    DXO Low Light (ISO) .. 527
    Screen Specs Fujifilm GFX 100 Olympus E-420
    Viewfinder Type Viewfinder optional Optical viewfinder
    Viewfinder Field of View 95%
    Viewfinder Magnification 0.46x
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.2 inch 2.7 inch
    LCD Resolution 2360k dots 215k dots
    LCD Attachment Tilting screen Fixed screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Fujifilm GFX 100 Olympus E-420
    Autofocus System On-Sensor Phase-detect Phase-detect AF
    Manual Focusing AidFocus PeakingNo Peaking Feature
    Continuous Shooting 5 shutter flaps/s 3.5 shutter flaps/s
    Electronic Shutterup to 1/16000sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationIn-body stabilizationLens stabilization only
    Fill Flash no On-Board Flash Build-in Flash
    Storage Medium SDXC cards CF or XD cards
    Second Storage Option Dual card slots Dual card slots
    Connectivity Specs Fujifilm GFX 100 Olympus E-420
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 3.1 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 100 Olympus E-420
    Environmental SealingWeathersealed bodyNot weather sealed
    Battery Type NP-T125 BLS-1
    Battery Life (CIPA)800 shots per charge500 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 156 x 144 x 75 mm
    (6.1 x 5.7 x 3.0 in)
    130 x 91 x 53 mm
    (5.1 x 3.6 x 2.1 in)
    Camera Weight 1320 g (46.6 oz) 440 g (15.5 oz)

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