Fujifilm GFX 50R vs Pentax K-1 Mark II

In this comparison, we will evaluate the Fujifilm GFX 50R and the Pentax K-1 Mark II, highlighting the advantages of each over the other, discussing their pros and cons, shared strengths and weaknesses, and providing a rating based on their available features and specifications to assist you in choosing the one that best suits your needs.

Fujifilm GFX 50R was introduced in September 2018 and Pentax K-1 Mark II was introduced in February 2018. Let us first list highlights of the models.

Now that we've looked at the most essential specifications and gained a basic understanding of these cameras, we can delve into more details and see the differences between them.

This section shows those features and specifications which are the reason to choose Fujifilm GFX 50R over Pentax K-1 Mark II.

This section shows those features and specifications which are the reason to choose Pentax K-1 Mark II over Fujifilm GFX 50R.

We already listed pros and cons of each model. However, you may also find useful to look at their common strengths and weaknesses shown side-by-side.

Screen

Fujifilm GFX 50R and Pentax K-1 Mark II have 3.2" screens with 2,360k dot and 1,037k dot resolutions respectively. Fujifilm GFX 50R has a Tilting screen which makes it very useful for photography purposes but not so useful for video shooting. Pentax K-1 Mark II has a Fully Articulated screen which makes it selfie and vlogger friendly and generally very useful for video shooting. Fujifilm GFX 50R also features touchscreen which has advantages such as easy menu navigation, intuitive controls, quick setting adjustment and most importantly a Touch-to-Focus functionality allowing users to select a specific point on the screen where they want the camera to focus. This feature can be helpful for achieving precise focus in both photo and video recording.

Viewfinder

Fujifilm GFX 50R has a built-in 0.5" Electronic (OLED) viewfinder with 3,690k dot resolution and Pentax K-1 Mark II has a built-in Optical (pentaprism) viewfinder. They both have 100% coverage.

Fujifilm GFX 50R features a 51.4 megapixel Medium format CMOS sensor with dimensions of 43.8 x 32.9 mm and a total area of 1441 mm². Its native ISO range is 100 - 12,800 and expands to 50 - 102,400 in boosted mode. Pentax K-1 Mark II features a 36.4 megapixel Full Frame CMOS sensor with dimensions of 35.9 x 24 mm and a total area of 576 mm². Its native ISO range is 100 - 819,200.

Here is a sensor size comparison chart where you can see how different sensors compare with each other:

Sensor size chart

	Sensor	Dimensions	Area	Aspect Ratio	Crop Factor
	Medium Format	44 x 33 mm	1452 mm2	4:3	0.79x
	Full Frame	36 x 24 mm	864 mm2	3:2	1x
	APS-H	27 x 18 mm	486 mm2	3:2	1.3x
	APS-C	23.6 x 15.6 mm	368.2 mm2	3:2	1.5x
	APS-C (Canon)	22.3 x 14.9 mm	332.3 mm2	3:2	1.6x
	Micro Four Thirds	17.4 x 13 mm	226.2 mm2	4:3	2x
	1-inch	13.2 x 8.8 mm	116.2 mm2	3:2	2.7x
	1/1.7-inch	7.44 x 5.58 mm	41.5 mm2	4:3	4.7x
	1/2.3-inch	6.17 x 4.55 mm	28.1 mm2	4:3	5.6x

Fujifilm GFX 50R is equipped with X Processor Pro processor and can take pictures up to 8256 x 6192 resolution. Pentax K-1 Mark II is equipped with PRIME IV processor and can take pictures up to 7360 x 4912 resolution.

Lens Mount

Fujifilm GFX 50R has Fujifilm G lens mount and Pentax K-1 Mark II has Pentax K_AF4 lens mount. Due to Medium format sensor in Fujifilm GFX 50R its crop factor is equal to 0.79x, this means that a 35mm equivalent focal length of the mounted lens will be equal to its actual focal length times 0.79. Due to Full Frame sensor in Pentax K-1 Mark II its crop factor is equal to 1x, this means that a 35mm equivalent focal length of the mounted lens will be equal to its actual focal length.

No Low-Pass Filter on Pentax K-1 Mark II

There is no optical low-pass filter (OLPF), also known as an anti-aliasing filter, in front of the sensor on Pentax K-1 Mark II. This results in a slightly sharper image but may also introduce moiré patterns and aliasing artifacts when photographing subjects with fine, repetitive patterns or details.

In-Body Image Stabilization on Pentax K-1 Mark II

Pentax K-1 Mark II has a built-in 5-Axis Sensor Shift in-body image stabilization (IBIS) with 5 stops of compensation. This means that you are still getting vibration reduction when camera is paired with non-image stabilizied lenses. It also works with lenses with optical image stabilization and in combination can achieve even better compensation.

Built-in GPS on Pentax K-1 Mark II

Pentax K-1 Mark II has a built-in GPS (Global Positioning System) technology which allows you to automatically tag the location where you took your photos. You can later categorize, organize, and search for photos based on location. This is very useful for travel and outdoor photographers for documenting the locations where images were captured.
  Check out the cameras in our database that have built-in GPS.

Built-in Wi-Fi

Cameras have built-in Wi-Fi (802.11b/g/n, 2.4 GHz) which allows to easily transfer photos and videos from the camera to other Wi-Fi-enabled devices, such as smartphones, tablets, printers, or computers. This eliminates the need for cables and allows for quick and convenient media sharing and social media integration. It gives you the ability to control your camera remotely using a smartphone or tablet. This is particularly useful for taking self-portraits, group shots, or capturing images in challenging conditions without having to touch the camera. Firmware updates can also be downloaded and installed wirelessly.
  Check out the cameras in our database that have built-in WiFi.

Bluetooth on Fujifilm GFX 50R

Fujifilm GFX 50R has a built-in Bluetooth which lets you to connect the camera to a smartphone or a dedicated remote control device. This allows you to remotely trigger the camera, adjust settings and controls remotely through a paired mobile app. While Wi-Fi is generally faster for transferring larger files, Bluetooth can be used for small, selective transfers, it can provide real-time information about your camera's battery status, memory card capacity, and other key settings directly on your paired smartphone or smartwatch.
  Check out the cameras in our database that have built-in Bluetooth.

USB Inputs and HDMI Outputs

Both models have USB inputs for data transfer. Fujifilm GFX 50R has a Micro HDMI and Pentax K-1 Mark II has a Micro HDMI connector for video signal output.

Battery

Fujifilm GFX 50R comes with NP-T125 battery pack with battery life of 400 shots and Pentax K-1 Mark II comes with D-LI90 battery pack with battery life of 670 shots.

External Storage Slots

Fujifilm GFX 50R has Dual SD/SDHC/SDXC (UHS-II) card slots. Pentax K-1 Mark II has Dual SD/SDHC/SDXC (UHS-I) card slots.

Shutter

Fujifilm GFX 50R has Mechanical Focal Plane shutter. Pentax K-1 Mark II has Electronic shutter. Shutter speed can go up to 1/16000 sec with electronic shutter and up to 1/4000 sec with mechanical shutter on Fujifilm GFX 50R, and up to 1/8000 sec on Pentax K-1 Mark II. Fujifilm GFX 50R can shoot continuously up to 3.0 fps. Pentax K-1 Mark II can shoot continuously up to 4.4 fps.

Focusing

Fujifilm GFX 50R has TTL Contrast AF system with 117 focusing points and Pentax K-1 Mark II has 33 (25 cross-type) focusing points. Pentax K-1 Mark II has detection range from -3 to +18 EV.

Exposure

Exposure meterings of Pentax K-1 Mark II ranges from -3 to +20 EV and you can set the exposure compensation within the ±5 EV range on Fujifilm GFX 50R and ±5 EV range on Pentax K-1 Mark II. You can also do exposure bracketing and manual exposure adjustment on Fujifilm GFX 50R and exposure lock, exposure bracketing and manual exposure adjustment on Pentax K-1 Mark II.

Flash

Cameras have no built-in flash but an external flash may be connected to both of them via Hot Shoe or PC Terminal. The fastest flash synchronization speed is 1/125 sec on Fujifilm GFX 50R and 1/200 sec on Pentax K-1 Mark II.

Fujifilm GFX 50R body has dimensions of 161 x 97 x 66 mm (6.34 x 3.82 x 2.6") and Pentax K-1 Mark II body has dimensions of 137 x 110 x 86 mm (5.39 x 4.33 x 3.39"). Fujifilm GFX 50R weighs 775 g (1.71 lb / 27.34 oz) and Pentax K-1 Mark II weighs 1010 g (2.23 lb / 35.63 oz).

Fujifilm GFX 50R

Pentax K-1 Mark II

161 mm

97 mm

137 mm

110 mm

97 mm

110 mm

66 mm

86 mm