In depth comparison and review of Pentax K-1 II and Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS. 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 II | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS |
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Product Type | Digital camera - 1080p - SLR with Live View mode, movie recording | Digital camera - 4K - mirrorless system |
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Lens Included | Body only | FE 28-70mm OSS lens |
Height | 11 cm | 9.64 cm |
Width | 13.65 cm | 13.13 cm |
Depth | 8.55 cm | 7.98 cm |
Weight | 925 g | 658 g |
Weight Details | Camera body only: 925 g Camera with battery and memory card: 1010 g |
Camera with battery and memory card: 658 g |
Body Material | - | Magnesium alloy |
Enclosure Colour | Silver | - |
Protection | Weatherproof, freezeproof, dust-resistant | Dust-resistant, moisture-resistant |
Digital Zoom | - | 4x |
Navigation | GPS receiver | - |
SENSOR | Pentax K-1 II | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS |
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Sensor Resolution | 36.4 Megapixel | 33.0 Megapixel |
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Optical Sensor Type | CMOS | Exmor R CMOS |
Total Pixels | 36,770,000 pixels | 34,100,000 pixels |
Effective Sensor Resolution | 36,400,000 pixels | 33,000,000 pixels |
Optical Sensor Size | 35.9 x 24.0 mm | Full Frame (35.9 x 23.9 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), Anti-Dust coating |
Image Stabiliser | Optical (5-axis image sensor shift mechanism) | Optical (Steady Shot with 5-axis Intelligent Active Mode) |
Built-in Optical Image Stabiliser | Yes | Yes |
Sensors | Magnetometer, digital level metre | Digital level metre |
PROCESSOR | Pentax K-1 II | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS |
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Image Processor | PRIME IV | BIONZ XR |
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LENS | Pentax K-1 II | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS |
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Type | - | Zoom lens 28 - 70 mm - f/3.5-5.6 FE OSS - zoom |
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Focus Adjustment | - | Automatic, manual |
Min Focus Distance | - | 30 cm |
Max View Angle | - | 75 degree(s) |
Zoom Adjustment | - | Manual |
Lens Construction | - | 8 groups / 9 elements |
Filter Size | - | 55 mm |
Lens Mounting Type | Pentax K | Sony E-mount |
Features | - | Internal focusing system, full-time manual focusing, ED glass, splashproof, aspherical lens, dustproof |
FOCUSING | Pentax K-1 II | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS |
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Auto Focus | TTL contrast and phase detection | TTL contrast and phase detection |
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Auto Focus Points (Zones) Qty | 33 | 759 |
Auto Focus Features | - | Focus Peaking function, Predictive Focus Control |
AE/AF Control | - | Face-priority AF, Subject-tracking AF, Touch Area AF, Zone AF, Real-time Eye AF, Real-time Tracking AF, Wide-area AF, Expanded area AF, animal eye detection, bird eye detection, right/left eye select |
Face Detection | Yes | Eye Detect AF, face-priority AF function |
VIEWFINDER | Pentax K-1 II | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS |
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Viewfinder Type | Optical - fixed eye-level pentaprism | Electronic - OLED |
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Viewfinder Colour Support | - | Colour |
Viewfinder Diagonal Size | - | 0.5" |
Viewfinder Resolution | - | 3,686,400 pixels |
Optical Viewfinder Field Coverage | 100% | 100% |
Optical Viewfinder Magnification | 0.70x | 0.78x |
Optical Viewfinder Dioptric Correction Range | -3 to +1.2 | -4 to +3 |
EXPOSURE & WHITE BALANCE | Pentax K-1 II | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS |
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ISO (Max) | 819200 | 204800 |
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Native ISO | 100-819200 | 100-51200 |
Extended ISO (Max) | - | 204800 |
Extended ISO (Min) | - | 50 |
Light Sensitivity | ISO auto, ISO 100-819200 | ISO 50, ISO auto, ISO 204800, ISO 100-51200 |
Exposure Metering | Multi-segment, centre-weighted, spot | Multi-segment, centre-weighted, average, highlight spot |
Exposure Metering Zones | - | 1200 |
Exposure Modes | Programme, bulb, automatic, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority | Automatic, manual, aperture-priority, shutter-priority |
Bracketing Modes | - | Dynamic Range Bracketing, white balance bracketing |
Special Effects | - | Soft Skin, Creative Look presets |
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 | Mechanical electronically-controlled |
Max Shutter Speed | 1/8000 sec | 1/8000 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 |
Auto Exposure Bracketing | - | 3, 5 or 9 steps |
X-sync Speed | 1/200sec | 1/250sec |
Exposure Range | EV -3-20 (ISO 100) | EV -3-20 (ISO 100) |
DISPLAY | Pentax K-1 II | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS |
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Type | 3.2" LCD display | 3" LCD display |
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Touch Screen | - | Yes |
Display Format | 1,037,000 pixels | 1,036,000 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 Alpha7 IV ILCE-7M4K + FE 28-70mm OSS |
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Digital Video Format | H.264, MOV | MPEG-4, H.264, XAVC S, H.265, XAVC HS |
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Image Recording Format | JPEG, RAW + JPEG, DNG (RAW), PEF (RAW) | JPEG, RAW, RAW + JPEG, HEIF, RAW + HEIF |
Max Video Resolution | 1920 x 1080 | 3840 x 2160 |
Audio Signal Format | - | Linear PCM, AAC |
Microphone Operation Mode | Stereo | Stereo |
Microphone Features | Wind noise reduction | Wind noise reduction |
MEMORY | Pentax K-1 II | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS |
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Memory Card Slot | Dual SD card | SD card, CFexpress / 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 | 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 | - |
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 |
7008 x 4672 4608 x 3072 3504 x 2336 4608 x 3072 - APS-C mode 3504 x 2336 - APS-C mode 6224 x 4672 4096 x 3072 3120 x 2336 4096 x 3072 - APS-C mode 3120 x 2336 - APS-C mode 7008 x 3944 4608 x 2592 3504 x 1968 4608 x 2592 - APS-C mode 3504 x 1968 - APS-C mode 4672 x 4672 3072 x 3072 2336 x 2336 3072 x 3072 - APS-C mode 2336 x 2336 - 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 - 3840 x 2160 p - 60 fps XAVC HS - 3840 x 2160 p - 24 fps XAVC HS - 3840 x 2160 p - 50 fps XAVC S - 3840 x 2160 p - 60 fps XAVC S - 3840 x 2160 p - 30 fps XAVC S - 3840 x 2160 p - 24 fps XAVC S - 3840 x 2160 p - 50 fps XAVC S - 3840 x 2160 p - 25 fps XAVC S - 1920 x 1080 p - 60 fps XAVC S - 1920 x 1080 p - 30 fps XAVC S - 1920 x 1080 p - 24 fps XAVC S - 1920 x 1080 p - 50 fps XAVC S - 1920 x 1080 p - 25 fps |
BATTERY AND CHARGING | Pentax K-1 II | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS |
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Battery Type | Pentax D-Li90 Lithium Ion | Sony NP-FZ100 Lithium Ion |
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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 - 520 shots (EVF on) Photo shooting - 580 shots (LCD Monitor on) Video recording - 100 minutes (EVF on) Video recording - 110 minutes (LCD Monitor on) |
CONNECTIONS | Pentax K-1 II | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS |
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Interface | HDMI, USB 2.0, IEEE 802.11b/g/n | USB 2.0, USB-C, IEEE 802.11a/b/g/n/ac, Bluetooth 4.1 |
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Connectivity Features | - | Remote control via mobile devices, remote live view, Wireless Image Transfer, wireless video upload to FTP server, PC Remote functions via Wi-Fi |
Print Standard | - | Exif Print support, PRINT Image Matching |
Computer Connectivity | Mac, Windows | - |
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 2.0 (5 pin Micro-USB Type B) USB 3.2 Gen 1 (USB Type-C) Microphone (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) |
FEATURES | Pentax K-1 II | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS |
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Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec, 5 sec |
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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, 10 frames per second, 6 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, camera orientation detection, histogram display, shadow point display, highlight point display, Dynamic Range Optimizer, USB charging, Intelligent AUTO (iAUTO), fast motion recording, noise reduction over long exposures, high ISO speed noise reduction, silent shooting, BRAVIA Sync function, distortion correction function, S-Log2 gamma setting, slow motion recording, peripheral shading correction, chromatic aberration correction, anti-flicker, Hybrid Log-Gamma (HLG) recording, S-Log3 gamma setting, 4:2:2 10-bit internal rercording, simultaneous streaming & recording mode, focus breathing compensation, USB streaming, 14-bit RAW |
OTHERS | Pentax K-1 II | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS |
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Included Accessories | Eyepiece cover, battery charger, body cap, battery grip, eyecup, shoe cap, additional battery, battery grip terminal cover, sync terminal cover | Eyepiece cover, lens hood, dust cap, body cap, lens cap, shoulder strap, AC power adaptor, shoe cap, USB-C to USB-A cable |
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Software | Digital Camera Utility 5 | - |
Max Operating Temperature | 40 °C | 40 °C |
Min Operating Temperature | -10 °C | 0 °C |