Detailed comparison and review of Pentax K-3 Mark III and Fujifilm X Series X-T5 + XF 18-55mm R LM OIS. 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 | Pentax K-3 Mark III | Fujifilm X Series X-T5 + XF 18-55mm R LM OIS |
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| Product Type | Digital camera - 4K - SLR with Live View mode, movie recording | Digital camera - 6.2K - mirrorless system |
|---|---|---|
| Lens Included | Body only | XF 18-55mm R LM OIS lens |
| Height | 10.35 cm | 9.1 cm |
| Width | 13.45 cm | 12.95 cm |
| Depth | 7.35 cm | 6.38 cm |
| Weight | 735 g | 476 g |
| Weight Details | Camera body only: 735 g Camera with battery and memory card: 820 g |
Camera body only: 476 g Camera with battery and memory card: 557 g |
| Body Material | Magnesium alloy | - |
| Enclosure Colour | Black | Silver | Silver |
| Protection | Weatherproof, dust-resistant | Weatherproof |
| Optical Zoom | - | 3x |
| Navigation | GPS receiver | - |
| SENSOR | Pentax K-3 Mark III | Fujifilm X Series X-T5 + XF 18-55mm R LM OIS |
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| Sensor Resolution | 25.73 Megapixel | 40.2 Megapixel |
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| Optical Sensor Type | CMOS | X-Trans CMOS 5 HR |
| Total Pixels | 26,780,000 pixels | - |
| Effective Sensor Resolution | 25,730,000 pixels | 40,200,000 pixels |
| Optical Sensor Size | APS-C (23.3 x 15.5 mm) | APS-C (23.5 x 15.6 mm) |
| Frame Rate (Max Resolution) | 30 fps | 29.97 fps |
| Sensor Dust Reduction | - | Yes |
| Sensor Features | Dust Reduction (image sensor vibration), anti-aliasing simulator function | Ultrasonic vibration |
| Image Stabiliser | Optical SR II (5-axis image sensor shift mechanism) | Optical (5-axis image sensor shift mechanism) |
| Built-in Optical Image Stabiliser | Yes | Yes |
| Sensors | Digital level metre | - |
| PROCESSOR | Pentax K-3 Mark III | Fujifilm X Series X-T5 + XF 18-55mm R LM OIS |
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| Image Processor | - | X-Processor 5 |
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| LENS | Pentax K-3 Mark III | Fujifilm X Series X-T5 + XF 18-55mm R LM OIS |
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| Type | - | Zoom lens - 3x zoom - 18 - 55 mm - f/2.8-4.0 R LM OIS - macro, zoom |
|---|---|---|
| Focal Length Equivalent to 35mm Camera | - | 27 - 84mm |
| Focus Adjustment | - | Automatic, manual |
| Min Focus Distance | - | 30 cm |
| Max View Angle | - | 76.5 degree(s) |
| Zoom Adjustment | - | Manual |
| Lens Construction | - | 10 groups / 14 elements |
| Filter Size | - | 58 mm |
| Lens Mounting Type | Pentax K | Fujifilm X Mount |
| Features | - | ED glass, aspherical lens |
| FOCUSING | Pentax K-3 Mark III | Fujifilm X Series X-T5 + XF 18-55mm R LM OIS |
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| Auto Focus | TTL contrast and phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 101 | 117 |
| Auto Focus Features | - | Low-Light AF |
| AE/AF Control | Auto-area AF, Zone AF, Expanded area AF | Subject-tracking AF, Zone AF, Wide-area AF |
| Face Detection | Yes | Eye Detect AF |
| VIEWFINDER | Pentax K-3 Mark III | Fujifilm X Series X-T5 + XF 18-55mm R LM OIS |
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| 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 | 1.05x | 0.8x |
| Optical Viewfinder Dioptric Correction Range | -4 to +1 | -5 to +3 |
| Field of View Crop Factor | - | 1.53 |
| Features | Auto eye sensor | Auto eye sensor |
| EXPOSURE & WHITE BALANCE | Pentax K-3 Mark III | Fujifilm X Series X-T5 + XF 18-55mm R LM OIS |
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| ISO (Max) | 1600000 | 51200 |
|---|---|---|
| Native ISO | - | 125-12800 |
| Extended ISO (Max) | - | 25600 (H1), 51200 (H2) |
| Extended ISO (Min) | - | 64 (L1), 80 (L2), 100 (L3) |
| Light Sensitivity | ISO auto, ISO 100-1600000 | ISO 100, ISO 80, ISO 64, ISO 51200, ISO 25600, ISO 125-12800 |
| Exposure Metering | Multi-segment, centre-weighted, spot, highlight-weighted | 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 | Programme, manual, aperture-priority, shutter-priority |
| Bracketing Modes | Depth of field bracketing, motion bracketing | Dynamic Range Bracketing, Film Simulation Bracketing, focus bracketing, ISO sensitivity bracketing, white balance bracketing |
| Special Effects | 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 | Soft, Black & White, Sepia, Cinema, Black & White Red filter, Black & White Yellow filter, Vivid, yellow, green, red, soft focus, Black & White Green filter, miniature, partial colour, Toy camera, Nostalgic, Bleach Bypass, High Key, Low Key, Pop Colour, Dynamic tone, Standard, Classic Chrome, PRO Negative High, PRO Negative Standard |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Cloudy, tungsten light, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Color Temperature Enhancement (CTE), fluorescent light (daylight white) | Incandescent, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Underwater, 2500K - 10000K |
| Shutter Type | Electronic, mechanical electronically-controlled | Mechanical, electronic |
| Max Shutter Speed | 1/8000 sec | 1/180000 sec |
| Min Shutter Speed | 30 sec | 3600 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 | 1/250sec |
| Exposure Range | EV -3-20 (ISO 100) | - |
| DISPLAY | Pentax K-3 Mark III | Fujifilm X Series X-T5 + XF 18-55mm R LM OIS |
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| Type | 3.2" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | Yes | Yes |
| Display Format | 1,620,000 pixels | 1,840,000 pixels |
| Display Form Factor | Built-in | Tilting (3-way) |
| Display Features | Colour control, contrast control, display brightness control, night vision LCD display | Touch AF, Touch Zoom |
| VIDEOGRAPHY / CAMCORDER | Pentax K-3 Mark III | Fujifilm X Series X-T5 + XF 18-55mm R LM OIS |
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| Digital Video Format | H.264, MOV | H.264, MOV, HEVC, H.265, MPEG-4 AVC, MP4 |
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| Image Recording Format | JPEG, DNG (RAW), PEF (RAW) | JPEG, TIFF, RAW, RAW + JPEG, HEIF |
| Max Video Resolution | 3840 x 2160 | 6240 x 3510 |
| Audio Signal Format | - | Linear PCM, AAC |
| Microphone Operation Mode | Stereo | Stereo |
| Microphone Features | Wind noise reduction, sensitivity control | - |
| MEMORY | Pentax K-3 Mark III | Fujifilm X Series X-T5 + XF 18-55mm R LM OIS |
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| Memory Card Slot | Dual SD card | Dual SD card |
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| 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, CFexpress |
| Memory Card Included | No | No |
| Memory Card Max Supported Size | - | 2 TB |
| Image Storage | RAW 6192 x 4128 JPEG 6192 x 4128 JPEG 4752 x 3168 JPEG 3648 x 2432 JPEG 1920 x 1280 |
7728 x 5152 7728 x 4344 5152 x 5152 5472 x 3648 5472 x 3080 3648 x 3648 3888 x 2592 3888 x 2184 2592 x 2592 6432 x 5152 4560 x 3648 3264 x 2592 9600 x 2160 9600 x 1440 6400 x 2160 6400 x 1440 |
| Video Capture | 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 |
6240 x 3510 p - 29.97 fps 6240 x 3510 p - 25 fps 6240 x 3510 p - 24 fps 6240 x 3510 p - 23.98 fps 4096 x 2160 p - 29.97 fps 4096 x 2160 p - 25 fps 4096 x 2160 p - 24 fps 4096 x 2160 p - 23.98 fps 3840 x 2160 p - 29.97 fps 3840 x 2160 p - 25 fps 3840 x 2160 p - 24 fps 3840 x 2160 p - 23.98 fps 4096 x 2160 p - 59.94 fps 4096 x 2160 p - 50 fps 3840 x 2160 p - 59.94 fps 3840 x 2160 p - 50 fps 2048 x 1080 p - 59.94 fps 2048 x 1080 p - 50 fps 2048 x 1080 p - 29.97 fps 2048 x 1080 p - 25 fps 2048 x 1080 p - 24 fps 2048 x 1080 p - 23.98 fps 1920 x 1080 p - 59.94 fps 1920 x 1080 p - 50 fps 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 2048 x 1080 p - 240 fps 2048 x 1080 p - 200 fps 2048 x 1080 p - 120 fps 2048 x 1080 p - 100 fps 1920 x 1080 p - 240 fps 1920 x 1080 p - 200 fps 1920 x 1080 p - 120 fps 1920 x 1080 p - 100 fps |
| BATTERY AND CHARGING | Pentax K-3 Mark III | Fujifilm X Series X-T5 + XF 18-55mm R LM OIS |
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| Battery Type | Pentax D-Li90 Lithium Ion | Fujifilm NP-W235 Lithium Ion |
|---|---|---|
| Details | Pentax D-Li90 Li-ion rechargeable battery (included) | Fujifilm NP-W235 Li-ion rechargeable battery (included) |
| Battery Life | Photo shooting - 800 shots Playback - 250 minutes |
Photo shooting - 740 shots (ECO mode) Photo shooting - 580 shots Video recording - 90 minutes (6.2K resolution) Video recording - 80 minutes (4K resolution) Video recording - 100 minutes (Full HD resolution) |
| CONNECTIONS | Pentax K-3 Mark III | Fujifilm X Series X-T5 + XF 18-55mm R LM OIS |
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| Interface | HDMI, USB-C, IEEE 802.11b/g/n, Bluetooth 4.2 | HDMI, USB-C, IEEE 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| Connectivity Features | 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, PC terminal | Hot shoe |
| Connector Type | 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) |
USB 3.2 Gen 1 (USB Type-C) HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone 3.5mm) Remote control (sub-mini phone 2.5 mm) |
| FEATURES | Pentax K-3 Mark III | Fujifilm X Series X-T5 + XF 18-55mm R LM OIS |
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| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec, 3sec, 5 sec |
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| Continuous Shooting Speed | 2.5 frames per second, 12 frames per second, 7 frames per second | 20 frames per second, 10 frames per second, 7 frames per second, 15 frames per second, 13 frames per second |
| HDR Mode | Auto HDR mode | Auto HDR mode |
| Additional Features | 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 | HDR image enhancement technology, Panorama Capture, high-speed recording, primary colour filter, 4:2:2 10-bit internal rercording, Pixel Shift Multi-Shot function |
| OTHERS | Pentax K-3 Mark III | Fujifilm X Series X-T5 + XF 18-55mm R LM OIS |
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| Included Accessories | Eyepiece cover, carrying strap, battery charger, body cap, USB cable, eyecup, shoe cap, sync terminal cover | Lens hood, dust cap, body cap, lens cap, shoulder strap, AC power adaptor, USB cable, shoe cap, headphone adapter, wrapping cloth, sync terminal cover, plug adapter |
|---|---|---|
| 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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