Side by side comparison and review of Pentax K-3 II and Fujifilm X Series X-T3. 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 | Pentax K-3 II | 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 | 10.25 cm | 9.28 cm |
| Width | 13.15 cm | 13.25 cm |
| Depth | 7.75 cm | 5.88 cm |
| Weight | 700 g | 489 g |
| Weight Details | - | Camera body only: 489 g Camera with battery and memory card: 539 g |
| Body Material | Stainless steel, magnesium alloy | Magnesium alloy |
| Enclosure Colour | Black | Black | Silver |
| Protection | Weatherproof, freezeproof, dust-resistant | Weatherproof, freezeproof, dust-resistant |
| Navigation | GPS receiver | - |
| SENSOR | Pentax K-3 II | Fujifilm X Series X-T3 |
|---|
| Sensor Resolution | 24.35 Megapixel | 26.1 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | X-Trans CMOS 4 |
| Total Pixels | 24,710,000 pixels | - |
| Effective Sensor Resolution | 24,350,000 pixels | 26,100,000 pixels |
| Optical Sensor Size | APS-C (23.5 x 15.6 mm) | APS-C (23.5 x 15.6 mm) |
| Frame Rate (Max Resolution) | - | 60 fps |
| Sensor Dust Reduction | - | Yes |
| Sensor Features | Dust Reduction (image sensor vibration), anti-aliasing simulator function | Dust Reduction (image sensor vibration) |
| Sensors | Accelerometer, magnetometer, digital level metre | - |
| PROCESSOR | Pentax K-3 II | Fujifilm X Series X-T3 |
|---|
| Image Processor | - | X-Processor 4 |
|---|
| LENS | Pentax K-3 II | Fujifilm X Series X-T3 |
|---|
| Lens Mounting Type | Pentax K | Fujifilm X Mount |
|---|
| FOCUSING | Pentax K-3 II | Fujifilm X Series X-T3 |
|---|
| Auto Focus | TTL contrast and phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 27 | 91 |
| AE/AF Control | - | Face-priority AF, Subject-tracking AF, Eye detection AF, Zone AF |
| Face Detection | Yes | Eye Detect AF, Face Detection AF/AE |
| VIEWFINDER | Pentax K-3 II | 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 | 0.95x | 0.75x |
| Optical Viewfinder Dioptric Correction Range | -2.5 to +1.5 | -4 to +2 |
| Interchangeable Focusing Screens | Yes | - |
| Features | - | Auto eye sensor |
| EXPOSURE & WHITE BALANCE | Pentax K-3 II | Fujifilm X Series X-T3 |
|---|
| ISO (Max) | 51200 | 51200 |
|---|---|---|
| Native ISO | 100-51200 | 160-12800 |
| Extended ISO (Max) | - | 25600 (H1), 51200 (H2) |
| Extended ISO (Min) | - | 80 (L1), 105 (L2), 125 (L3) |
| Light Sensitivity | ISO 100-51200, ISO auto (100-51200) | 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, 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 | 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) | 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 |
| Auto Exposure Bracketing | 2, 3 or 5 steps | - |
| White Balance Bracketing | - | Yes |
| X-sync Speed | 1/180 sec | 1/250sec |
| Exposure Range | EV -3-20 (ISO 100) | - |
| DISPLAY | Pentax K-3 II | 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 | Built-in | Tilting (3-way) |
| Display Features | Colour control, contrast control, display brightness control | Display brightness control, display colour control |
| FLASH | Pentax K-3 II | 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-3 II | Fujifilm X Series X-T3 |
|---|
| Digital Video Format | AVI, MJPEG, H.264 | H.264, MOV, HEVC, H.265 |
|---|---|---|
| Image Recording Format | JPEG, DNG (RAW), PEF (RAW) | JPEG, RAW, RAW + JPEG |
| Max Video Resolution | 1920 x 1080 | 4096 x 2160 |
| Microphone Operation Mode | Mono | Stereo |
| MEMORY | Pentax K-3 II | 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 6016 x 4000 JPEG 6016 x 4000 JPEG 4608 x 3072 JPEG 3072 x 2048 JPEG 1920 x 1280 |
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-3 II | 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 - 720 shots Playback - 6.2 hours |
Photo shooting - 390 shots Video recording - 55 minutes (4K resolution) Video recording - 75 minutes (Full HD resolution) |
| CONNECTIONS | Pentax K-3 II | Fujifilm X Series X-T3 |
|---|
| Interface | Composite video/audio, HDMI, USB 3.0 | 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 | Exif Print support |
| Tripod Mount Connection Point | - | Yes |
| Flash Terminal | Hot shoe, PC terminal | Hot shoe |
| 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 |
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-3 II | Fujifilm X Series X-T3 |
|---|
| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec |
|---|---|---|
| Continuous Shooting Speed | 3 frames per second, 4.5 frames per second, 8.3 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 | Audio recording, sharpness control, digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, cropping an image, resizing an image, saturation control, interval shooting mode, in-camera film editing, in-camera RAW processing, peripheral illumination correction, HDR image enhancement technology, Shade Correction, Eye-Fi Card Ready, High ISO NR, no anti-aliasing filter, Lens Distortion Correction, primary colour filter, Automatic composition correction function, colour moire correction, Lateral Chromatic Aberration Correction, Flucard Ready, anti-aliasing filter simulator, diffraction correction, Pixel Shift Resolution technology, colour fringe correction | AE lock, AF lock, Dynamic Range Adjustment, primary colour filter |
| OTHERS | Pentax K-3 II | 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 |
|---|---|---|
| Software | Drivers & Utilities | - |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | -10 °C | -10 °C |
| Service & Support | - | Limited warranty - 1 year |
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