In depth comparison and review of Pentax K-1 and Fujifilm GFX 100. 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.
| DESIGN AND DIMENSIONS | Pentax K-1 | Fujifilm GFX 100 |
|---|
| Product Type | Digital camera - 1080p - SLR with Live View mode, movie recording | Digital camera - 4K - mirrorless system with movie recording |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 11 cm | 16.36 cm |
| Width | 13.65 cm | 15.62 cm |
| Depth | 8.55 cm | 10.29 cm |
| Weight | 925 g | 1.155 kg |
| Weight Details | - | Camera body only: 1.155 kg Camera with battery and memory card: 1.32 kg Camera with EVF, battery and memory card: 1.4 kg |
| Body Material | - | Magnesium alloy |
| Protection | Weatherproof, freezeproof, dust-resistant | Weatherproof, freezeproof, dust-resistant |
| Navigation | GPS receiver | - |
| SENSOR | Pentax K-1 | Fujifilm GFX 100 |
|---|
| Sensor Resolution | 36.4 Megapixel | 100 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | CMOS |
| Total Pixels | 36,770,000 pixels | - |
| Effective Sensor Resolution | 36,400,000 pixels | 102,000,000 pixels |
| Optical Sensor Size | Full Frame (35.9 x 24.0 mm) | Medium Format (43.8 x 32.9 mm) |
| Frame Rate (Max Resolution) | 30 fps | 30 fps |
| Sensor Dust Reduction | - | Yes |
| Sensor Features | - | Ultrasonic vibration |
| Image Stabiliser | Optical (5-axis image sensor shift mechanism) | Optical (5-axis image sensor shift mechanism) |
| Built-in Optical Image Stabiliser | Yes | Yes |
| Sensors | Magnetometer, digital level metre | Digital level metre |
| PROCESSOR | Pentax K-1 | Fujifilm GFX 100 |
|---|
| Image Processor | PRIME IV | X-Processor 4 |
|---|
| LENS | Pentax K-1 | Fujifilm GFX 100 |
|---|
| Lens Mounting Type | Pentax KAF2 | Fujifilm G Mount |
|---|
| FOCUSING | Pentax K-1 | Fujifilm GFX 100 |
|---|
| Auto Focus | TTL contrast and phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 33 | - |
| Face Detection | - | Eye Detect AF, face-priority AF function |
| VIEWFINDER | Pentax K-1 | Fujifilm GFX 100 |
|---|
| Viewfinder Type | Optical - fixed eye-level pentaprism | Electronic - OLED |
|---|---|---|
| Viewfinder Colour Support | - | Colour |
| Viewfinder Diagonal Size | - | 0.5" |
| Viewfinder Resolution | - | 5,760,000 pixels |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 0.70x | 0.86x |
| Optical Viewfinder Dioptric Correction Range | -3 to +1.2 | -4 to +2 |
| Interchangeable | - | Yes |
| Features | - | Viewfinder brightness control, auto eye sensor |
| EXPOSURE & WHITE BALANCE | Pentax K-1 | Fujifilm GFX 100 |
|---|
| ISO (Max) | 204800 | 102400 |
|---|---|---|
| Native ISO | 100-204800 | 100-12800 |
| Extended ISO (Max) | - | 25600 (H1), 51200 (H2), 102400 (H3) |
| Extended ISO (Min) | - | 50 |
| Light Sensitivity | ISO auto, ISO 100-204800 | ISO 50, ISO auto, ISO 102400, ISO 51200, ISO 25600, ISO 100-12800 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Multi-segment, centre-weighted, average, spot (2%) |
| 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 | - | 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), ASTRO TRACER | - |
| Shutter Type | Mechanical electronically-controlled | Mechanical, electronic |
| Max Shutter Speed | 1/8000 sec | 1/16000 sec |
| Min Shutter Speed | 30 sec | 30 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, 5, 7, 9 steps in 1/3 - 3 EV steps |
| White Balance Bracketing | - | Yes |
| X-sync Speed | 1/200sec | 1/125sec |
| Exposure Range | EV -3-20 (ISO 100) | - |
| DISPLAY | Pentax K-1 | Fujifilm GFX 100 |
|---|
| 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 | Folding | Folding |
| Display Features | Colour control, display brightness control, display saturation control | Display brightness control, display colour control |
| VIDEOGRAPHY / CAMCORDER | Pentax K-1 | Fujifilm GFX 100 |
|---|
| Digital Video Format | AVI, MJPEG, H.264 | H.264, HEVC, H.265 |
|---|---|---|
| Image Recording Format | JPEG, RAW + JPEG, DNG (RAW), PEF (RAW) | JPEG, TIFF, RAW, RAW + JPEG |
| Max Video Resolution | 1920 x 1080 | 4096 x 2160 |
| Microphone Operation Mode | Stereo | - |
| MEMORY | Pentax K-1 | Fujifilm GFX 100 |
|---|
| 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 | No |
| Image Storage | RAW 7360 x 4912 JPEG 7360 x 4912 JPEG 5760 x 3840 JPEG 4224 x 2816 JPEG 1920 x 1280 RAW 4800 x 3200 JPEG 4800 x 3200 |
11648 x 8736 11648 x 7768 11648 x 6552 8736 x 8736 11648 x 4304 10298 x 8736 10192 x 8736 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 | 1920 x 1080 1280 x 720 |
4096 x 2160 3840 x 2160 2048 x 1080 1920 x 1080 |
| BATTERY AND CHARGING | Pentax K-1 | Fujifilm GFX 100 |
|---|
| Battery Type | Pentax D-Li90 Lithium Ion | Fujifilm NP-T125 Lithium Ion |
|---|---|---|
| Details | Pentax D-Li90 Li-ion rechargeable battery (included) | 2 x Fujifilm NP-T125 Li-ion rechargeable battery (included) |
| Battery Life | Photo shooting - 760 shots Playback - 6.5 hours |
Photo shooting - 800 shots Video recording - 170 minutes (4K resolution) |
| CONNECTIONS | Pentax K-1 | Fujifilm GFX 100 |
|---|
| Interface | HDMI, USB 2.0, IEEE 802.11b/g/n | HDMI, USB 3.0, IEEE 802.11a/b/g/n/ac |
|---|---|---|
| Connectivity Features | - | Remote control via mobile devices, remote live view, Wireless Image Transfer |
| Print Standard | - | Exif Print support |
| Computer Connectivity | Mac, Windows | - |
| Flash Terminal | Hot shoe, PC terminal | Hot shoe |
| Connector Type | USB 2.0 (5 pin Micro-USB Type B) HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) |
USB 3.0 (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) DC power input |
| FEATURES | Pentax K-1 | Fujifilm GFX 100 |
|---|
| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec |
|---|---|---|
| Continuous Shooting Speed | 3 frames per second, 0.7 frames per second, 6.5 frames per second, 4.4 frames per second | 5 frames per second |
| HDR Mode | Auto HDR mode | - |
| Additional Features | Digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, interval shooting mode, peripheral illumination correction, no anti-aliasing filter, Lens Distortion Correction, primary colour filter, Interval Movie Record, Automatic composition correction function, Lateral Chromatic Aberration Correction, anti-aliasing filter simulator, diffraction correction, Pixel Shift Resolution technology, Operation Assist LED lighting | Auto power save, date/time stamp, depth-of-field preview button, sharpness control, histogram display, colour control, AE lock, AF lock, in-camera red-eye removal, highlight point display, Automatic Pixel Mapping (APM), in-camera RAW processing, noise reduction over long exposures, Lens Modulation Optimizer (LMO), noise reduction, multiple exposure capture |
| OTHERS | Pentax K-1 | Fujifilm GFX 100 |
|---|
| Included Accessories | Eyepiece cover, carrying strap, battery charger, body cap, eyecup, shoe cap, sync terminal cover | Battery charger, body cap, shoulder strap, viewfinder, power plug adapter, strap clip, cable protector, strap clip lock |
|---|---|---|
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | -10 °C | -10 °C |
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