In depth comparison and review of Pentax K-1 and Fujifilm X Series X-T3. 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 X Series X-T3 |
|---|
| Product Type | Digital camera - 1080p - SLR with Live View mode, movie recording | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 11 cm | 9.28 cm |
| Width | 13.65 cm | 13.25 cm |
| Depth | 8.55 cm | 5.88 cm |
| Weight | 925 g | 489 g |
| Weight Details | - | Camera body only: 489 g Camera with battery and memory card: 539 g |
| Body Material | - | Magnesium alloy |
| Enclosure Colour | - | Black | Silver |
| Protection | Weatherproof, freezeproof, dust-resistant | Weatherproof, freezeproof, dust-resistant |
| Navigation | GPS receiver | - |
| SENSOR | Pentax K-1 | Fujifilm X Series X-T3 |
|---|
| Sensor Resolution | 36.4 Megapixel | 26.1 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | X-Trans CMOS 4 |
| Total Pixels | 36,770,000 pixels | - |
| Effective Sensor Resolution | 36,400,000 pixels | 26,100,000 pixels |
| Optical Sensor Size | Full Frame (35.9 x 24.0 mm) | APS-C (23.5 x 15.6 mm) |
| Frame Rate (Max Resolution) | 30 fps | 60 fps |
| Sensor Dust Reduction | - | Yes |
| Sensor Features | - | Dust Reduction (image sensor vibration) |
| Image Stabiliser | Optical (5-axis image sensor shift mechanism) | - |
| Built-in Optical Image Stabiliser | Yes | - |
| Sensors | Magnetometer, digital level metre | - |
| PROCESSOR | Pentax K-1 | Fujifilm X Series X-T3 |
|---|
| Image Processor | PRIME IV | X-Processor 4 |
|---|
| LENS | Pentax K-1 | Fujifilm X Series X-T3 |
|---|
| Lens Mounting Type | Pentax KAF2 | Fujifilm X Mount |
|---|
| FOCUSING | Pentax K-1 | Fujifilm X Series X-T3 |
|---|
| Auto Focus | TTL contrast and phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 33 | 91 |
| AE/AF Control | - | Face-priority AF, Subject-tracking AF, Eye detection AF, Zone AF |
| Face Detection | - | Eye Detect AF, Face Detection AF/AE |
| VIEWFINDER | Pentax K-1 | Fujifilm X Series X-T3 |
|---|
| 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 | 0.70x | 0.75x |
| Optical Viewfinder Dioptric Correction Range | -3 to +1.2 | -4 to +2 |
| Features | - | Auto eye sensor |
| EXPOSURE & WHITE BALANCE | Pentax K-1 | Fujifilm X Series X-T3 |
|---|
| ISO (Max) | 204800 | 51200 |
|---|---|---|
| Native ISO | 100-204800 | 160-12800 |
| Extended ISO (Max) | - | 25600 (H1), 51200 (H2) |
| Extended ISO (Min) | - | 80 (L1), 105 (L2), 125 (L3) |
| Light Sensitivity | ISO auto, ISO 100-204800 | ISO 100, ISO 125, ISO 80, ISO auto, ISO 51200, ISO 25600, ISO 160-12800 |
| 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 | Bulb, 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 focus, miniature, Film Simulation, partial colour, Toy camera, High Key, Low Key, Pop Colour, Dynamic tone |
| 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 | Fine, incandescent, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Underwater, 2500K - 10000K |
| Shutter Type | Mechanical electronically-controlled | Mechanical, electronic |
| Max Shutter Speed | 1/8000 sec | 1/32000 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 |
| White Balance Bracketing | - | Yes |
| X-sync Speed | 1/200sec | 1/250sec |
| Exposure Range | EV -3-20 (ISO 100) | - |
| DISPLAY | Pentax K-1 | Fujifilm X Series X-T3 |
|---|
| Type | 3.2" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | - | Yes |
| Display Format | 1,037,000 pixels | 1,040,000 pixels |
| Display Form Factor | Folding | Tilting (3-way) |
| Display Features | Colour control, display brightness control, display saturation control | Display brightness control, display colour control |
| FLASH | Pentax K-1 | Fujifilm X Series X-T3 |
|---|
| Camera Flash | - | Detachable flash |
|---|---|---|
| Guide Number (m / ISO 100) | - | 8 |
| 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 |
| External Flash Name | - | Fujifilm EF-X8 |
| VIDEOGRAPHY / CAMCORDER | Pentax K-1 | Fujifilm X Series X-T3 |
|---|
| Digital Video Format | AVI, MJPEG, H.264 | H.264, MOV, HEVC, H.265 |
|---|---|---|
| Image Recording Format | JPEG, RAW + JPEG, DNG (RAW), PEF (RAW) | JPEG, RAW, RAW + JPEG |
| Max Video Resolution | 1920 x 1080 | 4096 x 2160 |
| Microphone Operation Mode | Stereo | Stereo |
| MEMORY | Pentax K-1 | Fujifilm X Series X-T3 |
|---|
| 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 |
| Memory Card Max Supported Size | - | 512 GB |
| 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 |
6240 x 4160 6240 x 3512 4160 x 4160 4416 x 2944 4416 x 2488 2944 x 2944 3120 x 2080 3120 x 1760 2080 x 2080 |
| Video Capture | 1920 x 1080 1280 x 720 |
4096 x 2160 p - 59.94 fps - 400Mbps 3840 x 2160 p 2048 x 1080 p 1920 x 1080 p |
| BATTERY AND CHARGING | Pentax K-1 | Fujifilm X Series X-T3 |
|---|
| Battery Type | Pentax D-Li90 Lithium Ion | Fujifilm NP-W126S Lithium Ion |
|---|---|---|
| Details | Pentax D-Li90 Li-ion rechargeable battery (included) | Fujifilm NP-W126S Li-ion rechargeable battery (included) |
| Battery Life | Photo shooting - 760 shots Playback - 6.5 hours |
Photo shooting - 390 shots Video recording - 55 minutes (4K resolution) Video recording - 75 minutes (Full HD resolution) |
| CONNECTIONS | Pentax K-1 | Fujifilm X Series X-T3 |
|---|
| Interface | HDMI, USB 2.0, IEEE 802.11b/g/n | HDMI, USB 3.1, IEEE 802.11b/g/n, Bluetooth 4.2 |
|---|---|---|
| Connectivity Features | - | Remote control via mobile devices, Wireless Image Transfer |
| Print Standard | - | Exif Print support |
| Computer Connectivity | Mac, Windows | - |
| Tripod Mount Connection Point | - | Yes |
| 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 3.1 Gen 1 (USB Type-C) HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone 3.5mm) Headphones (mini-phone stereo 3.5 mm) Remote control (sub-mini phone 2.5 mm) |
| FEATURES | Pentax K-1 | Fujifilm X Series X-T3 |
|---|
| 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 | 8 frames per second, 5.7 frames per second, 20 frames per second, 10 frames per second, 30 frames per second, 11 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 | AE lock, AF lock, Dynamic Range Adjustment, primary colour filter |
| OTHERS | Pentax K-1 | Fujifilm X Series X-T3 |
|---|
| Included Accessories | Eyepiece cover, carrying strap, battery charger, body cap, eyecup, shoe cap, sync terminal cover | Body cap, shoulder strap, shoe cap, protective cover, strap clip, battery grip terminal cover, sync terminal cover, clip attaching tool |
|---|---|---|
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | -10 °C | -10 °C |
| Service & Support | - | Limited warranty - 1 year |
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