Detailed comparison and review of Fujifilm GFX 50S and Pentax K-3 Mark III. With our comprehensive overview, you can simply compare design, sensors, proximity characteristics, memory capacities, but also other key features of both cameras and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the camera that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Fujifilm GFX 50S | Pentax K-3 Mark III |
|---|
| Product Type | Digital camera - 1080p - mirrorless system with movie recording | Digital camera - 4K - SLR with Live View mode, movie recording |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 9.42 cm | 10.35 cm |
| Width | 14.75 cm | 13.45 cm |
| Depth | 9.14 cm | 7.35 cm |
| Weight | 740 g | 735 g |
| Weight Details | Camera body only: 740 g Camera with battery and memory card: 825 g Camera with EVF: 920 g |
Camera body only: 735 g Camera with battery and memory card: 820 g |
| Body Material | - | Magnesium alloy |
| Enclosure Colour | Black | Black | Silver |
| Protection | Weatherproof | Weatherproof, dust-resistant |
| Navigation | - | GPS receiver |
| SENSOR | Fujifilm GFX 50S | Pentax K-3 Mark III |
|---|
| Sensor Resolution | 51.4 Megapixel | 25.73 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | CMOS |
| Total Pixels | - | 26,780,000 pixels |
| Effective Sensor Resolution | 51,400,000 pixels | 25,730,000 pixels |
| Optical Sensor Size | Medium Format (43.8 x 32.9 mm) | APS-C (23.3 x 15.5 mm) |
| Frame Rate (Max Resolution) | 30 fps | 30 fps |
| Sensor Dust Reduction | Yes | - |
| Sensor Features | Ultrasonic vibration | Dust Reduction (image sensor vibration), anti-aliasing simulator function |
| Image Stabiliser | - | Optical SR II (5-axis image sensor shift mechanism) |
| Built-in Optical Image Stabiliser | - | Yes |
| Sensors | Digital level metre | Digital level metre |
| PROCESSOR | Fujifilm GFX 50S | Pentax K-3 Mark III |
|---|
| Image Processor | X-Processor Pro engine | - |
|---|
| LENS | Fujifilm GFX 50S | Pentax K-3 Mark III |
|---|
| Lens Mounting Type | Fujifilm G Mount | Pentax K |
|---|
| FOCUSING | Fujifilm GFX 50S | Pentax K-3 Mark III |
|---|
| Auto Focus | TTL contrast detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | - | 101 |
| Auto Focus Features | Focus Peaking function | - |
| AE/AF Control | - | Auto-area AF, Zone AF, Expanded area AF |
| Face Detection | Eye Detect AF, face-priority AF function | Yes |
| VIEWFINDER | Fujifilm GFX 50S | Pentax K-3 Mark III |
|---|
| Viewfinder Type | Electronic - OLED | Optical - fixed eye-level pentaprism |
|---|---|---|
| Viewfinder Colour Support | Colour | - |
| Viewfinder Diagonal Size | 0.5" | - |
| Viewfinder Resolution | 3,690,000 pixels | - |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 0.85x | 1.05x |
| Optical Viewfinder Dioptric Correction Range | -4 to +2 | -4 to +1 |
| Features | Viewfinder brightness control, auto eye sensor | Auto eye sensor |
| EXPOSURE & WHITE BALANCE | Fujifilm GFX 50S | Pentax K-3 Mark III |
|---|
| ISO (Max) | 102400 | 1600000 |
|---|---|---|
| Native ISO | 100-12800 | - |
| Extended ISO (Max) | 25600 (H1), 51200 (H2), 102400 (H3) | - |
| Extended ISO (Min) | 50 | - |
| Light Sensitivity | ISO 50, ISO auto, ISO 102400, ISO 51200, ISO 25600, ISO 100-12800 | ISO auto, ISO 100-1600000 |
| Exposure Metering | Multi-segment, centre-weighted, spot, average | Multi-segment, centre-weighted, spot, highlight-weighted |
| Exposure Metering Zones | 256 | - |
| Exposure Modes | Automatic, manual, aperture-priority, shutter-priority | Programme, bulb, automatic, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority |
| Bracketing Modes | Dynamic Range Bracketing, Film Simulation Bracketing, ISO sensitivity bracketing, white balance bracketing | Depth of field bracketing, motion bracketing |
| Special Effects | Chrome, Film Simulation, Grainy Film | Soft, Slim, fisheye, natural, bright, Vibrant, monochrome, Muted, Flat, landscape, portrait, miniature, Cross Process, Retro, Colour Extract, Toy camera, High contrast, Colour Invert, Bleach Bypass, Radiant, Reversal Film, Shading, Tone Expansion, Bold Monochrome, Unicolour Bold, Colour replace, Grainy Monochrome |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Incandescent, fluorescent, daylight, shade, fluorescent light (cool white), fluorescent light (warm white), Underwater | Cloudy, tungsten light, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Color Temperature Enhancement (CTE), fluorescent light (daylight white) |
| Shutter Type | Mechanical | Electronic, mechanical electronically-controlled |
| Max Shutter Speed | 1/16000 sec | 1/8000 sec |
| Min Shutter Speed | 4 sec | 30 sec |
| Exposure Compensation | ±5 EV range, in 1/3 EV steps | ±5 EV range, in 1/2 or 1/3 EV steps |
| Auto Exposure Bracketing | 9 steps in 1/3 EV steps | - |
| White Balance Bracketing | Yes | - |
| X-sync Speed | 1/125sec | 1/200sec |
| Exposure Range | - | EV -3-20 (ISO 100) |
| DISPLAY | Fujifilm GFX 50S | Pentax K-3 Mark III |
|---|
| Type | 3.2" LCD display | 3.2" LCD display |
|---|---|---|
| Touch Screen | Yes | Yes |
| Display Format | 2,360,000 pixels | 1,620,000 pixels |
| Display Form Factor | Folding | Built-in |
| Display Features | Display brightness control, display colour control | Colour control, contrast control, display brightness control, night vision LCD display |
| VIDEOGRAPHY / CAMCORDER | Fujifilm GFX 50S | Pentax K-3 Mark III |
|---|
| Digital Video Format | H.264 | H.264, MOV |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG | JPEG, DNG (RAW), PEF (RAW) |
| Max Video Resolution | 1920 x 1080 | 3840 x 2160 |
| Microphone Operation Mode | - | Stereo |
| Microphone Features | - | Wind noise reduction, sensitivity control |
| MEMORY | Fujifilm GFX 50S | Pentax K-3 Mark III |
|---|
| Memory Card Slot | SD card | Dual SD card |
|---|---|---|
| Supported Memory Cards | 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 | 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 | No |
| Memory Card Max Supported Size | 256 GB | - |
| Image Storage | 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 |
RAW 6192 x 4128 JPEG 6192 x 4128 JPEG 4752 x 3168 JPEG 3648 x 2432 JPEG 1920 x 1280 |
| Video Capture | 1920 x 1080 p - 29.97 fps 1920 x 1080 p - 25 fps 1920 x 1080 p - 24 fps 1920 x 1080 p - 23.98 fps 1280 x 720 p - 29.97 fps 1280 x 720 p - 25 fps 1280 x 720 p - 24 fps 1280 x 720 p - 23.98 fps |
H.264 - 3840 x 2160 p - 30 fps H.264 - 3840 x 2160 p - 24 fps H.264 - 1920 x 1080 p - 60 fps H.264 - 1920 x 1080 p - 30 fps H.264 - 1920 x 1080 p - 24 fps |
| BATTERY AND CHARGING | Fujifilm GFX 50S | Pentax K-3 Mark III |
|---|
| Battery Type | Fujifilm NP-T125 Lithium Ion | Pentax D-Li90 Lithium Ion |
|---|---|---|
| Details | Fujifilm NP-T125 Li-ion rechargeable battery (included) | Pentax D-Li90 Li-ion rechargeable battery (included) |
| Battery Life | Photo shooting - 400 shots Video recording - 2.42 hours |
Photo shooting - 800 shots Playback - 250 minutes |
| CONNECTIONS | Fujifilm GFX 50S | Pentax K-3 Mark III |
|---|
| Interface | HDMI, USB 3.0, IEEE 802.11b/g/n | HDMI, USB-C, IEEE 802.11b/g/n, Bluetooth 4.2 |
|---|---|---|
| Connectivity Features | Remote control via mobile devices, Wireless Image Transfer | Remote control via mobile devices, remote live view, Wireless Image Transfer |
| Print Standard | Exif Print support | Exif Print support |
| Computer Connectivity | - | Mac, Windows |
| Flash Terminal | Hot shoe | Hot shoe, PC terminal |
| Connector Type | USB 3.0 HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) Remote control (sub-mini phone 2.5 mm) DC power input |
USB 3.2 Gen 1 (USB Type-C) HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) Remote control (sub-mini phone 2.5 mm) |
| FEATURES | Fujifilm GFX 50S | Pentax K-3 Mark III |
|---|
| Self-Timer Delay | 10 sec, 2sec | 2sec, 12sec |
|---|---|---|
| Continuous Shooting Speed | 3 frames per second, 1.8 frames per second | 2.5 frames per second, 12 frames per second, 7 frames per second |
| HDR Mode | - | Auto HDR mode |
| Additional Features | Auto power save, date/time stamp, depth-of-field preview button, sharpness control, digital image rotation, histogram display, colour control, in-camera red-eye removal, 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 | Audio recording, date/time stamp, digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, cropping an image, resizing an image, interval shooting mode, in-camera film editing, in-camera RAW processing, peripheral illumination correction, horizon correction, NR Slow Shutter, High ISO NR, Lens Distortion Correction, primary colour filter, Automatic composition correction function, colour moire correction, Lateral Chromatic Aberration Correction, diffraction correction, Pixel Shift Resolution technology, colour fringe correction, multiple exposure capture, GPS stamp, D-range correction |
| OTHERS | Fujifilm GFX 50S | Pentax K-3 Mark III |
|---|
| Included Accessories | Battery charger, body cap, shoulder strap, viewfinder, power plug adapter, strap clip, cable protector, strap clip lock | Eyepiece cover, carrying strap, battery charger, body cap, USB cable, eyecup, shoe cap, sync terminal cover |
|---|---|---|
| Software | - | Digital Camera Utility 5 |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | -10 °C | -10 °C |
| Service & Support | - | Limited warranty - 1 year |
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