In depth comparison and review of Sony Alpha7s II ILCE-7SM2 and Pentax K-1. 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 | Sony Alpha7s II ILCE-7SM2 | Pentax K-1 |
|---|
| Product Type | Digital camera - 4K - mirrorless system | Digital camera - 1080p - SLR with Live View mode, movie recording |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 9.57 cm | 11 cm |
| Width | 12.69 cm | 13.65 cm |
| Depth | 6.03 cm | 8.55 cm |
| Weight | 584 g | 925 g |
| Enclosure Colour | Black | - |
| Protection | - | Weatherproof, freezeproof, dust-resistant |
| Navigation | - | GPS receiver |
| SENSOR | Sony Alpha7s II ILCE-7SM2 | Pentax K-1 |
|---|
| Sensor Resolution | 12.2 Megapixel | 36.4 Megapixel |
|---|---|---|
| Optical Sensor Type | Exmor CMOS | CMOS |
| Total Pixels | 12,400,000 pixels | 36,770,000 pixels |
| Effective Sensor Resolution | 12,200,000 pixels | 36,400,000 pixels |
| Optical Sensor Size | Full Frame (35.8 x 23.9 mm) | Full Frame (35.9 x 24.0 mm) |
| Frame Rate (Max Resolution) | 30 fps | 30 fps |
| Sensor Dust Reduction | Yes | - |
| Sensor Features | Dust Reduction (image sensor vibration), Anti-Dust coating | - |
| Image Stabiliser | Optical (5-axis Steady Shot) | Optical (5-axis image sensor shift mechanism) |
| Built-in Optical Image Stabiliser | Yes | Yes |
| Sensors | - | Magnetometer, digital level metre |
| PROCESSOR | Sony Alpha7s II ILCE-7SM2 | Pentax K-1 |
|---|
| Image Processor | BIONZ X | PRIME IV |
|---|
| LENS | Sony Alpha7s II ILCE-7SM2 | Pentax K-1 |
|---|
| Lens Mounting Type | Sony E-mount | Pentax KAF2 |
|---|
| FOCUSING | Sony Alpha7s II ILCE-7SM2 | Pentax K-1 |
|---|
| Auto Focus | TTL contrast detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 169 | 33 |
| Auto Focus Features | Focus Peaking function, Manual Focus Check Live View | - |
| AE/AF Control | Flex Focus Point, Face-priority AF, Subject-tracking AF, Eye detection AF | - |
| Face Detection | Face Recognition | - |
| VIEWFINDER | Sony Alpha7s II ILCE-7SM2 | Pentax K-1 |
|---|
| Viewfinder Type | Electronic - OLED | Optical - fixed eye-level pentaprism |
|---|---|---|
| Viewfinder Colour Support | Colour | - |
| Viewfinder Diagonal Size | 0.5" | - |
| Viewfinder Resolution | 2,359,296 pixels | - |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 0.78x | 0.70x |
| Optical Viewfinder Dioptric Correction Range | -4 to +3 | -3 to +1.2 |
| Features | Viewfinder brightness control | - |
| EXPOSURE & WHITE BALANCE | Sony Alpha7s II ILCE-7SM2 | Pentax K-1 |
|---|
| ISO (Max) | 409600 | 204800 |
|---|---|---|
| Native ISO | - | 100-204800 |
| Extended ISO (Max) | 409600 | - |
| Extended ISO (Min) | 50 | - |
| Light Sensitivity | ISO auto (100-12800), ISO 100-102400, ISO 50-409600 | ISO auto, ISO 100-204800 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Multi-segment, centre-weighted, spot |
| Exposure Metering Zones | 1200 | - |
| Exposure Modes | Programme, bulb, automatic, manual, aperture-priority, shutter-priority | Programme, bulb, automatic, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority |
| Bracketing Modes | Flash Exposure Bracketing | - |
| Shooting Programs | Landscape, portrait mode, action, macro, night portrait, night scene, sports mode, sunset, handheld twilight, anti-motion blur | - |
| Special Effects | Black & White, Sepia, Neutral, Vivid, sunset, soft focus, illustration, landscape, portrait, Water Colour, miniature, clear, deep, autumn leaves, Retro, HDR, partial colour, Toy camera, Posterisation, High contrast monochrome, Pop Colour, Rich-tone monochrome, Soft High-key, Night Scene, Lighting, Standard | - |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Incandescent, cloudy, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), 2500K - 9900K, fluorescent light (daylight white) | 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 |
| 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 or 5 steps | - |
| White Balance Bracketing | Yes | - |
| X-sync Speed | 1/250sec | 1/200sec |
| Exposure Range | EV -3-20 (ISO 100) | EV -3-20 (ISO 100) |
| DISPLAY | Sony Alpha7s II ILCE-7SM2 | Pentax K-1 |
|---|
| Type | 3" LCD display | 3.2" LCD display |
|---|---|---|
| Display Format | 1,228,800 pixels | 1,037,000 pixels |
| Display Form Factor | Folding | Folding |
| Display Features | Display brightness control | Colour control, display brightness control, display saturation control |
| VIDEOGRAPHY / CAMCORDER | Sony Alpha7s II ILCE-7SM2 | Pentax K-1 |
|---|
| Digital Video Format | AVCHD, H.264, XAVC S, AVC | AVI, MJPEG, H.264 |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG | JPEG, RAW + JPEG, DNG (RAW), PEF (RAW) |
| Max Video Resolution | 3840 x 2160 | 1920 x 1080 |
| Surround Sound | Dolby Digital AC-3 (2 channel) recording | - |
| Microphone Operation Mode | Stereo | Stereo |
| MEMORY | Sony Alpha7s II ILCE-7SM2 | Pentax K-1 |
|---|
| Memory Card Slot | Memory Stick Micro (M2) card, Memory Stick PRO Duo card, SD card | Dual SD card |
|---|---|---|
| Supported Memory Cards | SD Memory Card, Memory Stick PRO Duo, SDXC Memory Card, SDHC Memory Card, Memory Stick PRO-HG Duo, Memory Stick Micro Mark2, 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 |
| Memory Card Included | No | No |
| Image Storage | JPEG 4240 x 2832 JPEG 2768 x 1848 JPEG 2128 x 1416 JPEG 1376 x 920 JPEG 4240 x 2384 JPEG 2768 x 1560 JPEG 2128 x 1200 JPEG 1376 x 776 |
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 |
| Video Capture | XAVC S - 3840 x 2160 - 30 fps XAVC S - 3840 x 2160 - 24Mbps XAVC S - 1920 x 1080 - 60 fps XAVC S - 1920 x 1080 - 30 fps XAVC S - 1920 x 1080 - 24 fps XAVC S - 1920 x 1080 - 120 fps AVCHD - 1920 x 1080 - 60 fps AVCHD - 1920 x 1080 - 24 fps H.264 - 1920 x 1080 - 60 fps H.264 - 1920 x 1080 - 30 fps H.264 - 1280 x 720 - 30 fps |
1920 x 1080 1280 x 720 |
| BATTERY AND CHARGING | Sony Alpha7s II ILCE-7SM2 | Pentax K-1 |
|---|
| Battery Type | Sony NP-FW50 Lithium Ion | Pentax D-Li90 Lithium Ion |
|---|---|---|
| Details | Sony NP-FW50 Li-ion rechargeable battery - 1080 mAh (included) | Pentax D-Li90 Li-ion rechargeable battery (included) |
| Battery Life | Photo shooting - 310 shots (EVF on) Photo shooting - 370 shots (LCD Monitor on) |
Photo shooting - 760 shots Playback - 6.5 hours |
| CONNECTIONS | Sony Alpha7s II ILCE-7SM2 | Pentax K-1 |
|---|
| Interface | HDMI, USB 2.0, IEEE 802.11b/g/n, NFC (Near Field Communication) | HDMI, USB 2.0, IEEE 802.11b/g/n |
|---|---|---|
| Connectivity Features | Remote control via mobile devices, remote live view | - |
| Print Standard | DPOF support, Exif Print support, PRINT Image Matching | - |
| Computer Connectivity | - | Mac, Windows |
| Flash Terminal | Hot shoe | Hot shoe, PC terminal |
| Connector Type | USB 2.0 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) HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) |
| FEATURES | Sony Alpha7s II ILCE-7SM2 | Pentax K-1 |
|---|
| Self-Timer Delay | 10 sec, 2sec, 5 sec | 2sec, 12sec |
|---|---|---|
| Continuous Shooting Speed | 2.5 frames per second, 5 frames per second | 3 frames per second, 0.7 frames per second, 6.5 frames per second, 4.4 frames per second |
| HDR Mode | Auto HDR mode | Auto HDR mode |
| Additional Features | Built-in speaker, RGB primary colour filter, sharpness control, histogram display, AE lock, AF lock, saturation control, Sweep Panorama technology, contrast control, Dynamic Range Optimizer, peripheral illumination correction, Dolby Digital Stereo Creator, Chromatic Aberration Compensation (CAC), x.v.Colour technology, Multi-Frame Noise Reduction, Intelligent AUTO (iAUTO), High ISO NR, high-speed recording, Superior Auto mode, noise reduction over long exposures, BRAVIA Sync function, PhotoTV HD, distortion correction function, Clean HDMI output for 4K movies | Digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, interval shooting mode, peripheral illumination correction, no anti-aliasing filter, Lens Distortion Correction, primary colour filter, Interval Movie Record, Automatic composition correction function, Lateral Chromatic Aberration Correction, anti-aliasing filter simulator, diffraction correction, Pixel Shift Resolution technology, Operation Assist LED lighting |
| OTHERS | Sony Alpha7s II ILCE-7SM2 | Pentax K-1 |
|---|
| Included Accessories | Eyepiece cover, battery charger, shoulder strap, AC power adaptor, shoe cap, micro-USB cable, cable protector | Eyepiece cover, carrying strap, battery charger, body cap, eyecup, shoe cap, sync terminal cover |
|---|---|---|
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | 0 °C | -10 °C |
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