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Fujifilm GFX 100RF vs OM System OM-1 II

The Fujifilm GFX 100RF and the OM System OM-1 II are two enthusiast cameras that were officially introduced, respectively, in March 2025 and January 2024. The GFX 100RF is a fixed lens compact, while the OM-1 II is a mirrorless interchangeable lens camera. The cameras are based on a medium format (GFX 100RF) and a Four Thirds (OM-1 II) sensor. The Fujifilm has a resolution of 101.8 megapixels, whereas the OM System provides 20.2 MP.

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

Headline Specifications
Fujifilm GFX 100RF
versus
OM System OM-1 II
Fujifilm GFX 100RF   OM System OM-1 II
Fixed lens compact camera Mirrorless system camera
28mm f/4.0 Micro Four Thirds lenses
101.8 MP – Medium Format sensor 20.2 MP – Four Thirds sensor
4K/30p Video 4K/60p Video
ISO 80-12,800 (40 - 102,400) ISO 80-25,600 (80 - 102,400)
Electronic viewfinder (5760k dots) Electronic viewfinder (5760k dots)
3.2" LCD – 2100k dots 3.0" LCD – 1640k dots
Tilting touchscreen Swivel touchscreen
6 shutter flaps per second 10 shutter flaps per second
no shake reductionIn-body stabilization
Weathersealed bodyWeathersealed body
820 shots per battery charge500 shots per battery charge
134 x 90 x 77 mm, 735 g 135 x 92 x 73 mm, 599 g
logo
Check GFX 100RF price at
amazon.com
logo
Check OM-1 II price at
amazon.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm GFX 100RF and the OM System OM-1 II? 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

The side-by-side display below illustrates the physical size and weight of the Fujifilm GFX 100RF and the OM System OM-1 II. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth dimensions are rounded to the nearest millimeter.

The GFX 100RF can be obtained in two different colors (black, silver), while the OM-1 II is only available in black.

Size Fujifilm GFX 100RF vs OM System OM-1 II
Compare GFX 100RF versus OM-1 II top
Comparison GFX 100RF or OM-1 II rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the OM System OM-1 II is somewhat larger (3 percent) than the Fujifilm GFX 100RF. 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 and possibly misleading, as the GFX 100RF has a lens built in, whereas the OM-1 II is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can compare the optics available for the OM-1 II and their specifications in the Micro Four Thirds Lens Catalog.

Concerning battery life, the GFX 100RF gets 820 shots out of its Fujifilm NP-W235 battery, while the OM-1 II can take 500 images on a single charge of its OM System BLX-1 power pack. The battery packs of both cameras can be charged via USB, which can be very convenient when travelling.

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, you can use the CAM-parator app to select your camera combination among a large number of options.

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Body Specifications
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Fujifilm GFX 100RF 134 mm 90 mm 77 mm 735 g 820 Y Mar 2025 US$ 4 899 amazon.com
2.
 
OM System OM-1 II 135 mm 92 mm 73 mm 599 g 500 Y Jan 2024 US$ 2 399 amazon.com
3.
 
Canon R5 C 142 mm 101 mm 111 mm 770 g 320 Y Jan 2022 US$ 4 499 amazon.com
4.
 
Fujifilm GFX 50R 161 mm 97 mm 66 mm 775 g 400 Y Sep 2018 US$ 4 499ebay.com
5.
 
Fujifilm GFX 50S 148 mm 94 mm 91 mm 740 g 400 Y Sep 2016 US$ 6 499ebay.com
6.
 
Fujifilm GFX 100 II 152 mm 117 mm 99 mm 1030 g 540 Y Sep 2023 US$ 7 499 amazon.com
7.
 
Fujifilm GFX 100S II 150 mm 104 mm 87 mm 883 g 530 Y May 2024 US$ 4 999 amazon.com
8.
 
Hasselblad X1D II 148 mm 97 mm 70 mm 766 g .. Y Jun 2019 US$ 5 749ebay.com
9.
 
Hasselblad X2D 100C 149 mm 106 mm 75 mm 895 g 420 Y Sep 2022 US$ 8 199 amazon.com
10.
 
Leica Q2 130 mm 80 mm 92 mm 718 g 370 Y Mar 2019 US$ 4 999 amazon.com
11.
 
Leica Q3 130 mm 80 mm 93 mm 743 g 350 Y May 2023 US$ 5 999 amazon.com
12.
 
Olympus E-M1 II 134 mm 91 mm 67 mm 574 g 440 Y Sep 2016 US$ 1 999ebay.com
13.
 
OM System OM-1 135 mm 92 mm 73 mm 599 g 520 Y Feb 2022 US$ 2 199ebay.com
14.
 
OM System OM-3 139 mm 89 mm 46 mm 496 g 590 Y Feb 2025 US$ 1 999 amazon.com
15.
 
OM System OM-5 II 125 mm 85 mm 50 mm 414 g 310 Y Jun 2025 US$ 1 199 amazon.com
16.
 
Panasonic GH5 139 mm 98 mm 87 mm 725 g 410 Y Jan 2017 US$ 1 999ebay.com
17.
 
Sony RX1R III 113 mm 68 mm 88 mm 498 g 300 Y Jul 2025 US$ 5 099 amazon.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or 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. 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 imaging sensor is a crucial determinant 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. 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 more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Fujifilm GFX 100RF features a medium format sensor and the OM System OM-1 II a Four Thirds sensor. The sensor area in the OM-1 II 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 100RF and OM System OM-1 II sensor measures

With 101.8MP, the GFX 100RF offers a higher resolution than the OM-1 II (20.2MP), but the GFX 100RF nevertheless has larger individual pixels (pixel pitch of 3.76μm versus 3.34μm for the OM-1 II) due to its larger sensor. Moreover, the GFX 100RF is a somewhat more recent model (by 1 year and 1 month) than the OM-1 II, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels. 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 100RF implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the GFX 100RF 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 OM System OM-1 II are 25.9 x 19.4 inches or 65.8 x 49.4 cm for good quality, 20.7 x 15.6 inches or 52.7 x 39.5 cm for very good quality, and 17.3 x 13 inches or 43.9 x 32.9 cm for excellent quality prints.

Unlike the GFX 100RF, the OM-1 II has the capacity to capture high quality composite images (80MP) by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

The Fujifilm GFX 100RF has a native sensitivity range from ISO 80 to ISO 12800, which can be extended to ISO 40-102400. The corresponding ISO settings for the OM System OM-1 II are ISO 80 to ISO 25600, with the possibility to increase the ISO range to 80-102400.

In terms of underlying technology, the GFX 100RF is build around a BSI-CMOS sensor, while the OM-1 II uses a Stacked 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.

GFX 100RF versus OM-1 II MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). The 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
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Fujifilm GFX 100RF Medium Format 101.8 11648 87364K/30p25.915.13805101
2.
 
OM System OM-1 II Four Thirds 20.2 5184 38884K/60p23.413.6174978
3.
 
Canon R5 C Full Frame 44.8 8192 54648k/60p25.414.5308296
4.
 
Fujifilm GFX 50R Medium Format 51.1 8256 61921080/30p25.714.4316998
5.
 
Fujifilm GFX 50S Medium Format 51.1 8256 61921080/30p25.414.1297796
6.
 
Fujifilm GFX 100 II Medium Format 101.8 11648 87368K/30p25.915.03651101
7.
 
Fujifilm GFX 100S II Medium Format 101.8 11648 87364K/30p25.915.13720101
8.
 
Hasselblad X1D II Medium Format 51.3 8272 62001080/25p25.714.5323499
9.
 
Hasselblad X2D 100C Medium Format 102.1 11656 8762none25.914.93550101
10.
 
Leica Q2 Full Frame 46.7 8368 55844K/30p26.413.5249196
11.
 
Leica Q3 Full Frame 60.3 9528 63288K/30p25.414.7321696
12.
 
Olympus E-M1 II Four Thirds 20.2 5184 38884K/30p23.712.8131280
13.
 
OM System OM-1 Four Thirds 20.2 5184 38884K/60p23.413.4155377
14.
 
OM System OM-3 Four Thirds 20.2 5184 38884K/60p23.413.7185278
15.
 
OM System OM-5 II Four Thirds 20.2 5184 38884K/30p23.413.7188978
16.
 
Panasonic GH5 Four Thirds 20.2 5184 38884K/60p23.913.080777
17.
 
Sony RX1R III Full Frame 60.2 9504 63364K/30p25.414.9341797
Note: DXO values in italics represent estimates based on sensor size and age.

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 OM-1 II provides a faster frame rate than the GFX 100RF. It can shoot movie footage at 4K/60p, while the Fujifilm is limited to 4K/30p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. The GFX 100RF and the OM-1 II are similar in the sense that both feature an electronic viewfinder, which is helpful when framing images in bright sunlight. Moreover, their viewfinders offer an identical resolution of 5760k dots. The following table reports on some other key feature differences and similarities of the Fujifilm GFX 100RF, the OM System OM-1 II, and comparable cameras.

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Core Features
  empty 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.
 
Fujifilm GFX 100RF5760 n3.2 / 2100 tilting Y 1/4000s 6.0/s n n
2.
 
OM System OM-1 II5760 n3.0 / 1640 swivel Y 1/8000s 10.0/s n Y
3.
 
Canon R5 C5760 Y3.2 / 2100 swivel Y 1/8000s 12.0/s n n
4.
 
Fujifilm GFX 50R3690 n3.2 / 2360 tilting Y 1/4000s 3.0/s n n
5.
 
Fujifilm GFX 50Soptional Y3.2 / 2360 full-flex Y 1/4000s 3.0/s n n
6.
 
Fujifilm GFX 100 II9440 Y3.2 / 2360 full-flex Y 1/4000s 8.0/s n Y
7.
 
Fujifilm GFX 100S II5760 Y3.2 / 2360 full-flex Y 1/4000s 7.0/s n Y
8.
 
Hasselblad X1D II3690 n3.6 / 2360 fixed Y 1/2000s 2.7/s n n
9.
 
Hasselblad X2D 100C5760 Y3.6 / 2360 tilting Y 1/4000s 3.3/s n Y
10.
 
Leica Q23680 n3.0 / 1040 fixed Y 1/2000s 10.0/s n Y
11.
 
Leica Q35760 n3.0 / 1840 tilting Y 1/2000s 15.0/s n Y
12.
 
Olympus E-M1 II2360 n3.0 / 1037 swivel Y 1/8000s 18.0/s n Y
13.
 
OM System OM-15760 n3.0 / 1640 swivel Y 1/8000s 10.0/s n Y
14.
 
OM System OM-32360 n3.0 / 1640 swivel Y 1/8000s 6.0/s n Y
15.
 
OM System OM-5 II2360 n3.0 / 1040 swivel Y 1/8000s 10.0/s n Y
16.
 
Panasonic GH53680 n3.2 / 1620 swivel Y 1/8000s 12.0/s n Y
17.
 
Sony RX1R III2360 n3.0 / 2360 fixed Y 1/4000s 5.0/s n n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
The OM-1 II has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the GFX 100RF does not have a selfie-screen.

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, both cameras under consideration feature an 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 100RF and the OM System OM-1 II 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 100RF and the OM-1 II write their files to SDXC cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. Moreover, both the GFX 100RF and the OM-1 II support UHS-II cards, which provide for Ultra High Speed data transfer of up to 312 MB/s, on both slots.

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 100RF and OM System OM-1 II and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Fujifilm GFX 100RFYstereo / monoYYmicro3.2Y-Y
2.
 
OM System OM-1 IIYstereo / monoYYmicro3.0Y-Y
3.
 
Canon R5 CYstereo / monoYYmicro3.2Y-Y
4.
 
Fujifilm GFX 50RYstereo / monoYYmicro3.0Y-Y
5.
 
Fujifilm GFX 50SYstereo / monoYYmicro3.0Y--
6.
 
Fujifilm GFX 100 IIYstereo / monoYYfull3.2Y-Y
7.
 
Fujifilm GFX 100S IIYstereo / monoYYmicro3.2Y-Y
8.
 
Hasselblad X1D IIYstereo / monoYY-3.0Y--
9.
 
Hasselblad X2D 100CYstereo / mono---3.2Y--
10.
 
Leica Q2Ystereo / mono----Y-Y
11.
 
Leica Q3Ystereo / mono--micro3.1Y-Y
12.
 
Olympus E-M1 IIYstereo / monoYYmicro3.0Y--
13.
 
OM System OM-1Ystereo / monoYYmicro3.0Y-Y
14.
 
OM System OM-3Ystereo / monoYYmicro3.0Y-Y
15.
 
OM System OM-5 IIYstereo / monoY-micro2.0Y-Y
16.
 
Panasonic GH5Ystereo / monoYYfull3.1Y-Y
17.
 
Sony RX1R IIIYstereo / monoYYmicro3.2Y-Y

Studio photographers will appreciate that the OM System OM-1 II (unlike the GFX 100RF) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the GFX 100RF and the OM-1 II are recent models that are part of the current product line-up. The OM-1 II replaced the earlier OM System OM-1, while the GFX 100RF 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 OM System websites.

Review summary

So what conclusions can be drawn? Which of the two cameras – the Fujifilm GFX 100RF or the OM System OM-1 II – has the upper hand? Is one clearly better than the other? Below is a summary of the relative strengths of each of the two contestants.

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Reasons to prefer the Fujifilm GFX 100RF:

  • More detail: Offers more megapixels (101.8 vs 20.2MP) with a 125% higher linear resolution.
  • 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.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.84x vs 0.82x).
  • 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 (2100k vs 1640k dots).
  • Ready to shoot: Has a lens built-in, whereas the OM-1 II requires a separate lens.
  • Longer lasting: Can take more shots (820 versus 500) on a single battery charge.
  • More modern: Is somewhat more recent (announced 1 year and 1 month after the OM-1 II).

ilogo

Arguments in favor of the OM System OM-1 II:

  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better video: Provides higher movie framerates (4K/60p versus 4K/30p).
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (10 vs 6 flaps/sec) to capture the decisive moment.
  • More flexible: Takes interchangeable lenses and can thus be used with specialty optics.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • More heavily discounted: Has been on the market for longer (launched in January 2024).

If the number of relative strengths (bullet points above) is taken as a guide, the GFX 100RF comes out slightly ahead of the OM-1 II (11 : 10 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 100RF 11:10 OM-1 II

How about other alternatives? Do the specifications of the Fujifilm GFX 100RF and the OM System OM-1 II place the cameras among the top in their class? Find out in the latest Best Prime Lens Compact Camera and Best Mirrorless Interchangeable Lens 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 partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the GFX 100RF or the OM-1 II. 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 table below provides a synthesis of the camera assessments of some of the best known photo-gear 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
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Fujifilm GFX 100RF............ Mar 2025 US$ 4 899 amazon.com
2.
 
OM System OM-1 II............ Jan 2024 US$ 2 399 amazon.com
3.
 
Canon R5 C..+ +........ Jan 2022 US$ 4 499 amazon.com
4.
 
Fujifilm GFX 50R5/5..5/584/1004.5/54.5/5 Sep 2018 US$ 4 499ebay.com
5.
 
Fujifilm GFX 50S....4.5/585/1005/54.5/5 Sep 2016 US$ 6 499ebay.com
6.
 
Fujifilm GFX 100 II5/5+5/5....4.5/5 Sep 2023 US$ 7 499 amazon.com
7.
 
Fujifilm GFX 100S II............ May 2024 US$ 4 999 amazon.com
8.
 
Hasselblad X1D II....4/5..4/54/5 Jun 2019 US$ 5 749ebay.com
9.
 
Hasselblad X2D 100C4/5..5/5...... Sep 2022 US$ 8 199 amazon.com
10.
 
Leica Q2....4.5/584/1004.5/54/5 Mar 2019 US$ 4 999 amazon.com
11.
 
Leica Q35/5..4.5/5....4.5/5 May 2023 US$ 5 999 amazon.com
12.
 
Olympus E-M1 II5/5+ +5/585/1004.5/54.5/5 Sep 2016 US$ 1 999ebay.com
13.
 
OM System OM-15/5....87/1005/54.5/5 Feb 2022 US$ 2 199ebay.com
14.
 
OM System OM-3......86/100.... Feb 2025 US$ 1 999 amazon.com
15.
 
OM System OM-5 II............ Jun 2025 US$ 1 199 amazon.com
16.
 
Panasonic GH54.5/5+ +..85/1004.5/55/5 Jan 2017 US$ 1 999ebay.com
17.
 
Sony RX1R III............ Jul 2025 US$ 5 099 amazon.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

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Check GFX 100RF price at
amazon.com
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Check OM-1 II price at
amazon.com

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 a corresponding selection in the search boxes below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Fujifilm GFX 100RF vs OM System OM-1 II

    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 100RF OM System OM-1 II
    Camera Type Fixed lens compact camera Mirrorless system camera
    Camera Lens 28mm f/4.0 Micro Four Thirds lenses
    Launch Date March 2025 January 2024
    Launch Price USD 4,899 USD 2,399
    Sensor Specs Fujifilm GFX 100RF OM System OM-1 II
    Sensor Technology BSI-CMOS Stacked BSI-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 20.2 Megapixels
    Image Resolution 11648 x 8736 pixels 5184 x 3888 pixels
    Pixel Pitch 3.76 μm 3.34 μm
    Pixel Density 7.06 MP/cm2 8.96 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 4K/30p Video 4K/60p Video
    ISO Setting 80 - 12,800 ISO 80 - 25,600 ISO
    ISO Boost 40 - 102,400 ISO 80 - 102,400 ISO
    Image Processor X-Processor 5 TruePic X
    Screen Specs Fujifilm GFX 100RF OM System OM-1 II
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.84x 0.82x
    Viewfinder Resolution 5760k dots 5760k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.0inch
    LCD Resolution 2100k dots 1640k dots
    LCD Attachment Tilting screen Swivel screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Fujifilm GFX 100RF OM System OM-1 II
    Focus System On-Sensor Phase-detect On-Sensor Phase-detect
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 6 shutter flaps/s 10 shutter flaps/s
    Electronic Shutterup to 1/16000sup to 1/32000s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image Stabilizationno shake reductionIn-body stabilization
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium SDXC cards SDXC cards
    Single or Dual Card Slots Dual card slots Dual card slots
    UHS card support Dual UHS-II Dual UHS-II
    Connectivity Specs Fujifilm GFX 100RF OM System OM-1 II
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 3.2 USB 3.0
    HDMI Port micro HDMI micro HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Bluetooth Support Bluetooth built-in Bluetooth built-in
    Body Specs Fujifilm GFX 100RF OM System OM-1 II
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Fujifilm NP-W235 OM System BLX-1
    Battery Life (CIPA)820 shots per charge500 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 134 x 90 x 77 mm
    (5.3 x 3.5 x 3.0 in)
    135 x 92 x 73 mm
    (5.3 x 3.6 x 2.9 in)
    Camera Weight 735 g (25.9 oz) 599 g (21.1 oz)
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