Side by side comparison and review of Fujifilm X Series X-Pro3 and Pentax K-3 Mark III. Compare design, sensors, zoom functions, batteries and other key specifications and features to simplify the choice of your perfect digital camera. Our goal is to make it easier for you to decide on the camera that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Fujifilm X Series X-Pro3 | Pentax K-3 Mark III |
|---|
| Product Type | Digital camera - 4K - mirrorless system | Digital camera - 4K - SLR with Live View mode, movie recording |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 8.28 cm | 10.35 cm |
| Width | 14.05 cm | 13.45 cm |
| Depth | 4.61 cm | 7.35 cm |
| Weight | 447 g | 735 g |
| Weight Details | Camera body only: 447 g Camera with battery and memory card: 497 g |
Camera body only: 735 g Camera with battery and memory card: 820 g |
| Body Material | Titanium, magnesium alloy frame | Magnesium alloy |
| Enclosure Colour | Black | DR black | Black | Silver |
| Protection | Dust-resistant, wear-resistant | Weatherproof, dust-resistant |
| Navigation | - | GPS receiver |
| SENSOR | Fujifilm X Series X-Pro3 | Pentax K-3 Mark III |
|---|
| Sensor Resolution | 26.1 Megapixel | 25.73 Megapixel |
|---|---|---|
| Optical Sensor Type | X-Trans CMOS 4 | CMOS |
| Total Pixels | - | 26,780,000 pixels |
| Effective Sensor Resolution | 26,100,000 pixels | 25,730,000 pixels |
| Optical Sensor Size | APS-C (23.5 x 15.6 mm) | APS-C (23.3 x 15.5 mm) |
| Frame Rate (Max Resolution) | 30 fps | 30 fps |
| Sensor Dust Reduction | Yes | - |
| Sensor Features | Dust Reduction (image sensor 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 |
| PROCESSOR | Fujifilm X Series X-Pro3 | Pentax K-3 Mark III |
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| Image Processor | X-Processor 4 | - |
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| LENS | Fujifilm X Series X-Pro3 | Pentax K-3 Mark III |
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| Lens Mounting Type | Fujifilm X Mount | Pentax K |
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| FOCUSING | Fujifilm X Series X-Pro3 | Pentax K-3 Mark III |
|---|
| Auto Focus | TTL contrast and phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | - | 101 |
| AE/AF Control | Subject-tracking AF | Auto-area AF, Zone AF, Expanded area AF |
| Face Detection | - | Yes |
| VIEWFINDER | Fujifilm X Series X-Pro3 | Pentax K-3 Mark III |
|---|
| Viewfinder Type | Hybrid - reverse Galilean OLED | Optical - fixed eye-level pentaprism |
|---|---|---|
| Viewfinder Resolution | 3,690,000 pixels | - |
| Optical Viewfinder Field Coverage | - | 100% |
| Optical Viewfinder Magnification | 0.52x | 1.05x |
| Optical Viewfinder Dioptric Correction Range | -4 to +2 | -4 to +1 |
| Features | Auto eye sensor | Auto eye sensor |
| EXPOSURE & WHITE BALANCE | Fujifilm X Series X-Pro3 | Pentax K-3 Mark III |
|---|
| ISO (Max) | 51200 | 1600000 |
|---|---|---|
| Native ISO | 160-12800 | - |
| Extended ISO (Max) | 25600 (H1), 51200 (H2) | - |
| Extended ISO (Min) | 80 (L1), 100 (L2), 125 (L3) | - |
| Light Sensitivity | ISO 100, ISO 125, ISO 80, ISO auto, ISO 51200, ISO 25600, ISO 160-12800 | 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 | Bulb, 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, focus bracketing, ISO sensitivity bracketing, white balance bracketing | Depth of field bracketing, motion bracketing |
| Special Effects | Soft focus, miniature, Film Simulation, partial colour, Toy camera, High Key, Low Key, Pop Colour, Dynamic tone | 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 | Fine, incandescent, shade, fluorescent light (cool white), fluorescent light (warm white), Underwater, 2500K - 10000K, fluorescent light (daylight colour) | 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 | Electronic, mechanical electronically-controlled |
| Max Shutter Speed | 1/32000 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 | 2, 3, 5, 7, 9 steps in 1/3 - 3 EV steps | - |
| White Balance Bracketing | Yes | - |
| X-sync Speed | 1/250sec | 1/200sec |
| Exposure Range | - | EV -3-20 (ISO 100) |
| DISPLAY | Fujifilm X Series X-Pro3 | Pentax K-3 Mark III |
|---|
| Type | 3" LCD display | 3.2" LCD display |
|---|---|---|
| Touch Screen | Yes | Yes |
| Display Format | 1,620,000 pixels | 1,620,000 pixels |
| Display Form Factor | Tilting | Built-in |
| Display Features | Display brightness control | Colour control, contrast control, display brightness control, night vision LCD display |
| VIDEOGRAPHY / CAMCORDER | Fujifilm X Series X-Pro3 | Pentax K-3 Mark III |
|---|
| Digital Video Format | H.264, MOV | H.264, MOV |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG | JPEG, DNG (RAW), PEF (RAW) |
| Max Video Resolution | 4096 x 2160 | 3840 x 2160 |
| Audio Signal Format | Linear PCM | - |
| Microphone Operation Mode | Stereo | Stereo |
| Microphone Features | - | Wind noise reduction, sensitivity control |
| MEMORY | Fujifilm X Series X-Pro3 | 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 | 512 GB | - |
| Image Storage | 6240 x 4160 6240 x 3512 4416 x 2944 4416 x 2488 3120 x 2080 3120 x 1760 4160 x 4160 2944 x 2944 2080 x 2080 |
RAW 6192 x 4128 JPEG 6192 x 4128 JPEG 4752 x 3168 JPEG 3648 x 2432 JPEG 1920 x 1280 |
| Video Capture | MOV - 4096 x 2160 p - 29.97 fps MOV - 4096 x 2160 p - 25 fps MOV - 4096 x 2160 p - 24 fps MOV - 4096 x 2160 p - 23.98 fps MOV - 3840 x 2160 p - 29.97 fps MOV - 3840 x 2160 p - 25 fps MOV - 3840 x 2160 p - 24 fps MOV - 3840 x 2160 p - 23.98 fps MOV - 2048 x 1080 p - 25 fps MOV - 2048 x 1080 p - 24 fps MOV - 2048 x 1080 p - 23.98 fps MOV - 2048 x 1080 p - 59.94 fps MOV - 2048 x 1080 p - 50 fps MOV - 2048 x 1080 p - 29.97 fps MOV - 1920 x 1080 p - 59.94 fps MOV - 1920 x 1080 p - 50 fps MOV - 1920 x 1080 p - 29.97 fps MOV - 1920 x 1080 p - 25 fps MOV - 1920 x 1080 p - 24 fps MOV - 1920 x 1080 p - 23.98 fps MOV - 1920 x 1080 p - 120 fps - high speed recording MOV - 1920 x 1080 p - 100 fps - high speed recording |
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 X Series X-Pro3 | Pentax K-3 Mark III |
|---|
| Battery Type | Fujifilm NP-W126S Lithium Ion | Pentax D-Li90 Lithium Ion |
|---|---|---|
| Details | Fujifilm NP-W126S Li-ion rechargeable battery (included) | Pentax D-Li90 Li-ion rechargeable battery (included) |
| Battery Life | Photo shooting - 250 shots (EVF on) Photo shooting - 350 shots (OVF normal mode) Video recording - 60 minutes (4K resolution) Video recording - 75 minutes (Full HD resolution) |
Photo shooting - 800 shots Playback - 250 minutes |
| CONNECTIONS | Fujifilm X Series X-Pro3 | Pentax K-3 Mark III |
|---|
| Interface | USB-C, IEEE 802.11b/g/n, Bluetooth 4.2 | HDMI, USB-C, IEEE 802.11b/g/n, Bluetooth 4.2 |
|---|---|---|
| Connectivity Features | Remote control via mobile devices, remote live view, 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 3.2 Gen 1 (USB Type-C) Microphone / remote control (sub-mini phone stereo 2.5 mm) |
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 X Series X-Pro3 | Pentax K-3 Mark III |
|---|
| Self-Timer Delay | 10 sec, 2sec | 2sec, 12sec |
|---|---|---|
| Continuous Shooting Speed | 4 frames per second, 8 frames per second, 3 frames per second, 5 frames per second, 5.7 frames per second, 20 frames per second, 10 frames per second, 11 frames per second | 2.5 frames per second, 12 frames per second, 7 frames per second |
| HDR Mode | - | Auto HDR mode |
| Additional Features | Built-in speaker, interval shooting mode, primary colour filter | 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 X Series X-Pro3 | Pentax K-3 Mark III |
|---|
| Included Accessories | Cleaning cloth, body cap, shoulder strap, protective cover, strap clip, clip attaching tool, hot shoe cover, USB-C to USB-A cable | 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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