Detailed comparison and review of Pentax K-1 II and Sony Alpha1 ILCE-1. 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-1 II | Sony Alpha1 ILCE-1 |
|---|
| Product Type | Digital camera - 1080p - SLR with Live View mode, movie recording | Digital camera - 8K - mirrorless system |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 11 cm | 9.69 cm |
| Width | 13.65 cm | 12.89 cm |
| Depth | 8.55 cm | 8.08 cm |
| Weight | 925 g | 652 g |
| Weight Details | Camera body only: 925 g Camera with battery and memory card: 1010 g |
Camera body only: 652 g Camera with battery and memory card: 737 g |
| Body Material | - | Magnesium alloy |
| Enclosure Colour | Silver | Black |
| Protection | Weatherproof, freezeproof, dust-resistant | - |
| Navigation | GPS receiver | - |
| SENSOR | Pentax K-1 II | Sony Alpha1 ILCE-1 |
|---|
| Sensor Resolution | 36.4 Megapixel | 50.1 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | Exmor RS CMOS |
| Total Pixels | 36,770,000 pixels | 50,500,000 pixels |
| Effective Sensor Resolution | 36,400,000 pixels | 50,100,000 pixels |
| Optical Sensor Size | 35.9 x 24.0 mm | Full Frame (35.9 x 24 mm) |
| Frame Rate (Max Resolution) | 30 fps | 30 fps |
| Sensor Dust Reduction | Yes | Yes |
| Sensor Features | Ultrasonic Wave Motion Cleaning (UWMC) | Dust Reduction (image sensor vibration), Anti-Dust coating, APS-C compatible mode |
| 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 | - |
| PROCESSOR | Pentax K-1 II | Sony Alpha1 ILCE-1 |
|---|
| Image Processor | PRIME IV | BIONZ XR |
|---|
| LENS | Pentax K-1 II | Sony Alpha1 ILCE-1 |
|---|
| Lens Mounting Type | Pentax K | Sony E-mount |
|---|
| FOCUSING | Pentax K-1 II | Sony Alpha1 ILCE-1 |
|---|
| Auto Focus | TTL contrast and phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 33 | 759 |
| Auto Focus Features | - | Focus Peaking function |
| AE/AF Control | - | Subject-tracking AF, Eye detection AF, Predictive AI Servo AF, Zone AF |
| Face Detection | Yes | Eye Detect AF, Pet Detection |
| VIEWFINDER | Pentax K-1 II | Sony Alpha1 ILCE-1 |
|---|
| Viewfinder Type | Optical - fixed eye-level pentaprism | Built-in - electronic |
|---|---|---|
| Viewfinder Colour Support | - | Colour |
| Viewfinder Diagonal Size | - | 0.64" |
| Viewfinder Resolution | - | 9,437,184 pixels |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 0.70x | 0.9x |
| Optical Viewfinder Dioptric Correction Range | -3 to +1.2 | -4 to +3 |
| Field of View Crop Factor | - | 1.0 |
| EXPOSURE & WHITE BALANCE | Pentax K-1 II | Sony Alpha1 ILCE-1 |
|---|
| ISO (Max) | 819200 | 102400 |
|---|---|---|
| Native ISO | 100-819200 | - |
| Extended ISO (Max) | - | 102400 |
| Extended ISO (Min) | - | 50 |
| Light Sensitivity | ISO auto, ISO 100-819200 | ISO 50, ISO auto, ISO 102400, ISO 100-32000 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Multi-segment, centre-weighted, spot, average, highlight-weighted |
| Exposure Metering Zones | - | 1200 |
| 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, white balance bracketing |
| 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 | Incandescent, fluorescent, cloudy, Flash, daylight, shade, Underwater, 2500K - 9900K |
| Shutter Type | Mechanical electronically-controlled | Electronic, mechanical electronically-controlled |
| 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 1/2 or 1/3 EV steps |
| X-sync Speed | 1/200sec | 1/200sec, 1/500 sec, 1/400 sec, 1/250sec |
| Exposure Range | EV -3-20 (ISO 100) | EV -3-20 (ISO 100) |
| DISPLAY | Pentax K-1 II | Sony Alpha1 ILCE-1 |
|---|
| Type | 3.2" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | - | Yes |
| Display Format | 1,037,000 pixels | 1,440,000 pixels |
| Display Form Factor | Folding | Folding |
| Display Features | Colour control, display brightness control, display saturation control | Display brightness control |
| VIDEOGRAPHY / CAMCORDER | Pentax K-1 II | Sony Alpha1 ILCE-1 |
|---|
| Digital Video Format | H.264, MOV | H.264, XAVC S, H.265, XAVC HS |
|---|---|---|
| Image Recording Format | JPEG, RAW + JPEG, DNG (RAW), PEF (RAW) | JPEG, RAW, MPF, HEIF |
| Max Video Resolution | 1920 x 1080 | 7680 x 4320 |
| Audio Signal Format | - | Linear PCM, AAC |
| Microphone Operation Mode | Stereo | Stereo |
| Microphone Features | Wind noise reduction | - |
| MEMORY | Pentax K-1 II | Sony Alpha1 ILCE-1 |
|---|
| Memory Card Slot | Dual SD card | Dual CFexpress / 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, CFexpress |
| 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 |
8640 x 5760 5616 x 3744 4320 x 2880 5616 x 3744 - APS-C mode 4320 x 2880 - APS-C mode 7680 x 5760 4992 x 3744 3840 x 2880 4992 x 3744 - APS-C mode 3840 x 2880 - APS-C mode 8760 x 4864 5616 x 3160 4320 x 2432 5616 x 3160 - APS-C mode 4320 x 2432 - APS-C mode 5760 x 5760 3744 x 3744 2880 x 2880 3744 x 3744 - APS-C mode 2880 x 2880 - APS-C mode |
| 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 |
XAVC HS - 7680 x 4320 p - 30 fps - 400Mbps XAVC HS - 7680 x 4320 p - 24 fps - 400Mbps XAVC HS - 7680 x 4320 p - 25 fps - 400Mbps XAVC HS - 3840 x 2160 p - 24 - 120 fps XAVC S - 3840 x 2160 p - 24 - 120 fps XAVC S - 1920 x 1080 p - 24 - 120 fps |
| BATTERY AND CHARGING | Pentax K-1 II | Sony Alpha1 ILCE-1 |
|---|
| Battery Type | Pentax D-Li90 Lithium Ion | Sony NP-FZ100 Lithium Ion |
|---|---|---|
| Details | Pentax D-Li90 Li-ion rechargeable battery (included) | Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included) |
| Battery Life | Photo shooting - 670 shots Playback - 340 minutes |
Photo shooting - 430 shots (LCD Monitor on) Photo shooting - 530 shots (EVF on) Video recording - 150 minutes (LCD Monitor on) Video recording - 145 minutes (EVF on) |
| CONNECTIONS | Pentax K-1 II | Sony Alpha1 ILCE-1 |
|---|
| Interface | HDMI, USB 2.0, IEEE 802.11b/g/n | HDMI, USB-C, NFC (Near Field Communication), IEEE 802.11a/b/g/n/ac, Bluetooth 5.0 |
|---|---|---|
| Connectivity Features | - | Remote control via mobile devices, remote live view |
| Print Standard | - | Exif Print support, PRINT Image Matching |
| Computer Connectivity | Mac, Windows | - |
| Flash Terminal | Hot shoe, PC terminal | Hot shoe, PC terminal |
| 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) |
HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) Network (RJ-45) USB / AV output (micro-USB) USB (USB Type-C) |
| FEATURES | Pentax K-1 II | Sony Alpha1 ILCE-1 |
|---|
| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec, 5 sec |
|---|---|---|
| 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, 3 frames per second, 20 frames per second, 10 frames per second, 30 frames per second, 6 frames per second, 15 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 | Built-in speaker, RGB primary colour filter, AE lock, AF lock, interval shooting mode, Dynamic Range Optimizer, USB charging, Chromatic Aberration Compensation (CAC), Intelligent AUTO (iAUTO), Clear Image Zoom, noise reduction over long exposures, Lens Distortion Correction, high ISO speed noise reduction, silent shooting, BRAVIA Sync function, PhotoTV HD, GPS via mobile, peripheral shading correction, Flickering Reduction function |
| OTHERS | Pentax K-1 II | Sony Alpha1 ILCE-1 |
|---|
| Included Accessories | Eyepiece cover, battery charger, body cap, battery grip, eyecup, shoe cap, additional battery, battery grip terminal cover, sync terminal cover | Battery charger, body cap, shoulder strap, eyecup, shoe cap, cable protector, USB-C to USB-A cable |
|---|---|---|
| Software | Digital Camera Utility 5 | - |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | -10 °C | 0 °C |
| Service & Support | - | Limited warranty - parts and labour - 1 year |
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