Pentax K-1 II vs. Fujifilm X Series X-T3

Camera Comparison, Reviews and Tests

Detailed comparison and review of Pentax K-1 II and Fujifilm X Series X-T3. 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.

Camera Specifications Comparison

Pentax K-1 II vs. Fujifilm X Series X-T3 Comparison Chart
DESIGN AND DIMENSIONS Pentax K-1 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 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: 925 g
Camera with battery and memory card: 1010 g
Camera body only: 489 g
Camera with battery and memory card: 539 g
Body Material - Magnesium alloy
Enclosure Colour Silver Black | Silver
Protection Weatherproof, freezeproof, dust-resistant Weatherproof, freezeproof, dust-resistant
Navigation GPS receiver -
SENSOR Pentax K-1 II 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 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 Yes
Sensor Features Ultrasonic Wave Motion Cleaning (UWMC) 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 II Fujifilm X Series X-T3
Image Processor PRIME IV X-Processor 4
LENS Pentax K-1 II Fujifilm X Series X-T3
Lens Mounting Type Pentax K Fujifilm X Mount
FOCUSING Pentax K-1 II 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 Yes Eye Detect AF, Face Detection AF/AE
VIEWFINDER Pentax K-1 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 0.70x 0.75x
Optical Viewfinder Dioptric Correction Range -3 to +1.2 -4 to +2
Features - Auto eye sensor
EXPOSURE & WHITE BALANCE Pentax K-1 II Fujifilm X Series X-T3
ISO (Max) 819200 51200
Native ISO 100-819200 160-12800
Extended ISO (Max) - 25600 (H1), 51200 (H2)
Extended ISO (Min) - 80 (L1), 105 (L2), 125 (L3)
Light Sensitivity ISO auto, ISO 100-819200 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 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 Folding Tilting (3-way)
Display Features Colour control, display brightness control, display saturation control Display brightness control, display colour control
FLASH Pentax K-1 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-1 II Fujifilm X Series X-T3
Digital Video Format H.264, MOV 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
Microphone Features Wind noise reduction -
MEMORY Pentax K-1 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 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 i - 60 fps
1920 x 1080 i - 50 fps
1920 x 1080 p - 30 fps
1920 x 1080 p - 25 fps
1920 x 1080 p - 24 fps
1280 x 720 p - 60 fps
1280 x 720 p - 50 fps
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 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 - 670 shots
Playback - 340 minutes
Photo shooting - 390 shots
Video recording - 55 minutes (4K resolution)
Video recording - 75 minutes (Full HD resolution)
CONNECTIONS Pentax K-1 II 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 II Fujifilm X Series X-T3
Self-Timer Delay 2sec, 12sec 10 sec, 2sec
Continuous Shooting Speed 3 frames per second, 1 frame per second, 0.7 frames per second, 6.4 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 Audio recording, digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, cropping an image, resizing an image, interval shooting mode, in-camera RAW processing, peripheral illumination correction, High ISO NR, no anti-aliasing filter, Lens Distortion Correction, primary colour filter, colour moire correction, Lateral Chromatic Aberration Correction, anti-aliasing filter simulator, diffraction correction, Pixel Shift Resolution System II AE lock, AF lock, Dynamic Range Adjustment, primary colour filter
OTHERS Pentax K-1 II Fujifilm X Series X-T3
Included Accessories Eyepiece cover, battery charger, body cap, battery grip, eyecup, shoe cap, additional battery, battery grip terminal cover, sync terminal cover Body cap, shoulder strap, shoe cap, protective cover, strap clip, battery grip terminal cover, sync terminal cover, clip attaching tool
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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