Pentax K-3 vs. Fujifilm GFX 50R

Camera Comparison, Reviews and Tests

In depth comparison and review of Pentax K-3 and Fujifilm GFX 50R. Compare design, sensors, proximity features, memory capacities and other important specifications and features to easily choose the right camera for you. Our goal is to help you uncover differences between the products and find the digital camera that will best fit your needs.

Camera Specifications Comparison

Pentax K-3 vs. Fujifilm GFX 50R Comparison Chart
DESIGN AND DIMENSIONS Pentax K-3 Fujifilm GFX 50R
Product Type Digital camera - SLR with movie recording Digital camera - 1080p - mirrorless system with Live View mode, movie recording
Lens Included Body only Body only
Height 10 cm 9.65 cm
Width 13.15 cm 16.07 cm
Depth 7.75 cm 6.64 cm
Weight 715 g 690 g
Weight Details - Camera body only: 690 g
Camera with battery and memory card: 775 g
Body Material Magnesium alloy Magnesium alloy
Enclosure Colour Black Black
Protection Weatherproof, freezeproof, dust-resistant Weatherproof, dust-resistant
SENSOR Pentax K-3 Fujifilm GFX 50R
Sensor Resolution 23.35 Megapixel 51.4 Megapixel
Optical Sensor Type CMOS CMOS
Total Pixels 24,710,000 pixels -
Effective Sensor Resolution 23,350,000 pixels 51,400,000 pixels
Optical Sensor Size APS-C (23.5 x 15.6 mm) Medium Format (43.8 x 32.9 mm)
Frame Rate (Max Resolution) - 30 fps
Sensor Dust Reduction - Yes
Sensor Features Dust Reduction (image sensor vibration), anti-aliasing simulator function Ultrasonic vibration
Image Stabiliser Optical (image sensor shift mechanism) -
Built-in Optical Image Stabiliser Yes -
Sensors Dust alert sensor, digital level metre Digital level metre
PROCESSOR Pentax K-3 Fujifilm GFX 50R
Image Processor PRIME III X-Processor Pro engine
LENS Pentax K-3 Fujifilm GFX 50R
Lens Mounting Type Pentax K Fujifilm G Mount
FOCUSING Pentax K-3 Fujifilm GFX 50R
Auto Focus TTL phase detection TTL contrast detection
Auto Focus Points (Zones) Qty 27 117
Auto Focus Features - Focus Peaking function
Face Detection Yes Eye Detect AF, face-priority AF function
VIEWFINDER Pentax K-3 Fujifilm GFX 50R
Viewfinder Type Optical - fixed eye-level pentaprism Electronic - OLED
Viewfinder Colour Support - Colour
Viewfinder Diagonal Size - 0.5"
Viewfinder Resolution - 3,690,000 pixels
Optical Viewfinder Field Coverage 100% 100%
Optical Viewfinder Magnification 0.95x 0.77x
Optical Viewfinder Dioptric Correction Range -2.5 to +1.5 -4 to +2
Interchangeable Focusing Screens Yes -
Features - Viewfinder brightness control, auto eye sensor
EXPOSURE & WHITE BALANCE Pentax K-3 Fujifilm GFX 50R
ISO (Max) 51200 102400
Native ISO 100-51200 200-12800
Extended ISO (Max) - 25600 (H1), 51200 (H2), 102400 (H3)
Extended ISO (Min) - 50
Light Sensitivity ISO 100-51200, ISO auto (100-51200) ISO 50, ISO auto, ISO 102400, ISO 51200, ISO 25600, ISO 100-12800
Exposure Metering Multi-segment, centre-weighted, spot Multi-segment, centre-weighted, spot, average
Exposure Metering Zones - 256
Exposure Modes Programme, bulb, automatic, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority Automatic, manual, aperture-priority, shutter-priority
Bracketing Modes - Dynamic Range Bracketing, Film Simulation Bracketing, focus bracketing, ISO sensitivity bracketing, white balance bracketing
Special Effects Soft, Slim, Pastel, fisheye, natural, bright, Vibrant, Sketch, monochrome, Muted, landscape, portrait, Water Colour, miniature, Cross Process, Retro, Colour Extract, Toy camera, starburst, High contrast, Colour Invert, Bleach Bypass, Posterisation, Radiant, Reversal Film, Shading, Tone Expansion, Bold Monochrome, Unicolour Bold Chrome, Film Simulation, Grainy Film
White Balance Custom, automatic, presets Custom, automatic, presets
White Balance Presets Cloudy, tungsten light, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Color Temperature Enhancement (CTE), fluorescent light (daylight white) Incandescent, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Underwater
Shutter Type Mechanical electronically-controlled Mechanical, electronic
Max Shutter Speed 1/8000 sec 1/16000 sec
Min Shutter Speed 30 sec 4 sec
Exposure Compensation ±5 EV range, in 1/2 or 1/3 EV steps ±5 EV range, in 1/3 EV steps
Auto Exposure Bracketing 2, 3 or 5 steps 2, 3, 5, 7, 9 steps in 1/3 - 3 EV steps
White Balance Bracketing - Yes
X-sync Speed 1/180 sec 1/125sec
Exposure Range EV -3-20 (ISO 100) -
DISPLAY Pentax K-3 Fujifilm GFX 50R
Type 3.2" LCD display 3.2" LCD display
Touch Screen - Yes
Display Format 1,037,000 pixels 2,360,000 pixels
Display Form Factor Built-in Folding
Display Features Colour control Display brightness control, display colour control
FLASH Pentax K-3 Fujifilm GFX 50R
Camera Flash Pop-up flash -
Guide Number (m / ISO 100) 13 -
Flash Modes Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction -
Red-Eye Reduction Yes -
Features AF illuminator, flash +/- compensation, wireless off-camera control -
VIDEOGRAPHY / CAMCORDER Pentax K-3 Fujifilm GFX 50R
Digital Video Format AVI, MJPEG, H.264 H.264, MOV
Image Recording Format JPEG, DNG (RAW) + JPEG, DNG (RAW) JPEG, RAW, RAW + JPEG
Max Video Resolution 1920 x 1080 1920 x 1080
Audio Signal Format - Linear PCM
Microphone Operation Mode Mono Stereo
Microphone Features Sensitivity control -
MEMORY Pentax K-3 Fujifilm GFX 50R
Memory Card Slot Dual SD card SD card
Supported Memory Cards SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card, SDHC UHS-II Memory Card, SDXC UHS-II Memory Card
Memory Card Included - No
Memory Card Max Supported Size - 256 GB
Image Storage RAW 6016 x 4000
JPEG 6016 x 4000
JPEG 4608 x 3072
JPEG 3072 x 2048
JPEG 1920 x 1280
8256 x 6192
8256 x 5504
8256 x 4640
6192 x 6192
8256 x 3048
7744 x 6192
7232 x 6192
4000 x 3000
4000 x 2664
4000 x 2248
2992 x 2992
4000 x 1480
3744 x 3000
3504 x 3000
Video Capture H.264 - 1920 x 1080 - 30 fps
H.264 - 1920 x 1080 - 25 fps
H.264 - 1920 x 1080 - 24 fps
H.264 - 1280 x 720 - 60 fps
H.264 - 1280 x 720 - 50 fps
H.264 - 1280 x 720 - 30 fps
H.264 - 1280 x 720 - 25 fps
H.264 - 1280 x 720 - 24 fps
H.264 - 1920 x 1080 - 60 fps
H.264 - 1920 x 1080 - 50 fps
H.264 - 1920 x 1080 p - 29.97 fps
H.264 - 1920 x 1080 p - 25 fps
H.264 - 1920 x 1080 p - 24 fps
H.264 - 1920 x 1080 p - 23.98 fps
H.264 - 1280 x 720 p - 29.97 fps
H.264 - 1280 x 720 p - 25 fps
H.264 - 1280 x 720 p - 24 fps
H.264 - 1280 x 720 p - 23.98 fps
BATTERY AND CHARGING Pentax K-3 Fujifilm GFX 50R
Battery Type Pentax D-Li90 Lithium Ion Fujifilm NP-T125 Lithium Ion
Details Pentax D-Li90 Li-ion rechargeable battery (included) Fujifilm NP-T125 Li-ion rechargeable battery (included)
Battery Life Photo shooting - 560 shots (50% flash usage)
Photo shooting - 720 shots (flash off)
Playback - 6.2 hours
Photo shooting - 400 shots
Video recording - 2.42 hours
CONNECTIONS Pentax K-3 Fujifilm GFX 50R
Interface HDMI, USB 3.0 HDMI, USB 3.1, IEEE 802.11b/g/n, Bluetooth
Connectivity Features - Remote control via mobile devices, Wireless Image Transfer, wireless image printing
Print Standard Exif Print support Exif Print support
Flash Terminal Hot shoe Hot shoe
Connector Type USB 2.0
HDMI output
Microphone
Headphones
Remote control
USB 3.1 (USB Type-C)
HDMI output (19 pin micro HDMI Type D)
Microphone (mini-phone stereo 3.5 mm)
Remote control (sub-mini phone 2.5 mm)
DC power input
FEATURES Pentax K-3 Fujifilm GFX 50R
Self-Timer Delay 2sec, 12sec 10 sec, 2sec
Continuous Shooting Speed 8.3 frames per second 3 frames per second, 1.8 frames per second
HDR Mode Auto HDR mode -
Additional Features Audio recording, digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, cropping an image, resizing an image, saturation control, GPS ready, interval shooting mode, mirror lock, in-camera RAW processing, peripheral illumination correction, HDR image enhancement technology, Shade Correction, Eye-Fi Card Ready, NR Slow Shutter, High ISO NR, Dynamic Range Compensation, no anti-aliasing filter, Lens Distortion Correction, primary colour filter, Interval Movie Record, Automatic composition correction function, colour moire correction, Lateral Chromatic Aberration Correction, Flucard Ready Audio recording, built-in speaker, auto power save, date/time stamp, depth-of-field preview button, sharpness control, digital image rotation, histogram display, colour control, AE lock, AF lock, in-camera red-eye removal, cropping an image, resizing an image, highlight tone priority, interval shooting mode, highlight point display, Automatic Pixel Mapping (APM), Dynamic Range Adjustment, Bayer mosaic RGB filter, noise reduction over long exposures, Lens Modulation Optimizer (LMO), noise reduction, multiple exposure capture, shadow tone priority, Flickering Reduction function
OTHERS Pentax K-3 Fujifilm GFX 50R
Included Accessories Battery charger, body cap, shoulder strap, USB cable, eyecup, shoe cap, battery grip terminal cover, sync terminal cover Battery charger, body cap, shoulder strap, power plug adapter, protective cover, strap clip, clip attaching tool, cable protector
Software Drivers & Utilities -
Max Operating Temperature 40 °C 40 °C
Min Operating Temperature -10 °C -10 °C
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