In depth comparison and review of Sony Alpha7s II ILCE-7SM2 and YI M1 +. 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 | YI M1 + |
|---|
| Product Type | Digital camera - 4K - mirrorless system | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | Body only | - |
| Height | 9.57 cm | 9.35 cm |
| Width | 12.69 cm | 13.04 cm |
| Depth | 6.03 cm | 6.31 cm |
| Weight | 584 g | 280 g |
| Weight Details | - | Camera with battery and memory card: 280 g |
| Enclosure Colour | Black | Storm black |
| SENSOR | Sony Alpha7s II ILCE-7SM2 | YI M1 + |
|---|
| Sensor Resolution | 12.2 Megapixel | 20.16 Megapixel |
|---|---|---|
| Optical Sensor Type | Exmor CMOS | CMOS |
| Total Pixels | 12,400,000 pixels | 21,770,000 pixels |
| Effective Sensor Resolution | 12,200,000 pixels | 20,160,000 pixels |
| Optical Sensor Size | Full Frame (35.8 x 23.9 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) | - |
| Built-in Optical Image Stabiliser | Yes | - |
| PROCESSOR | Sony Alpha7s II ILCE-7SM2 | YI M1 + |
|---|
| Image Processor | BIONZ X | - |
|---|
| LENS | Sony Alpha7s II ILCE-7SM2 | YI M1 + |
|---|
| Type | - | Zoom lens 12 - 40 mm - f/3.5-5.6 - zoom |
|---|---|---|
| Focal Length Equivalent to 35mm Camera | - | 24 - 80mm |
| Focus Adjustment | - | Automatic, manual |
| Min Focus Distance | - | 35 cm |
| Max View Angle | - | 84.1 degree(s) |
| Zoom Adjustment | - | Manual (by ring) |
| Lens Construction | - | 9 groups / 11 elements |
| Filter Size | - | 49 mm |
| Lens Mounting Type | Sony E-mount | Micro Four Thirds |
| SECOND LENS |
|---|
| Type | - | Lens 42.5 mm - f/1.8 |
|---|---|---|
| Focal Length Equivalent to 35mm Camera | - | 85mm |
| Focus Adjustment | - | Automatic |
| Min Focus Distance | - | 50 cm |
| Lens Construction | - | 6 groups / 6 elements |
| Filter Size | - | 49 mm |
| FOCUSING | Sony Alpha7s II ILCE-7SM2 | YI M1 + |
|---|
| Auto Focus | TTL contrast detection | TTL contrast detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 169 | 81 |
| Auto Focus Features | Focus Peaking function, Manual Focus Check Live View | Focus Peaking function |
| 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 | YI M1 + |
|---|
| Viewfinder Type | Electronic - OLED | - |
|---|---|---|
| Viewfinder Colour Support | Colour | - |
| Viewfinder Diagonal Size | 0.5" | - |
| Viewfinder Resolution | 2,359,296 pixels | - |
| Optical Viewfinder Field Coverage | 100% | - |
| Optical Viewfinder Magnification | 0.78x | - |
| Optical Viewfinder Dioptric Correction Range | -4 to +3 | - |
| Field of View Crop Factor | - | 2 |
| Features | Viewfinder brightness control | - |
| EXPOSURE & WHITE BALANCE | Sony Alpha7s II ILCE-7SM2 | YI M1 + |
|---|
| ISO (Max) | 409600 | 25600 |
|---|---|---|
| Native ISO | - | 100-25600 |
| Extended ISO (Max) | 409600 | - |
| Extended ISO (Min) | 50 | - |
| Light Sensitivity | ISO auto (100-12800), ISO 100-102400, ISO 50-409600 | ISO 100, ISO 800, ISO 400, ISO 200, ISO 1600, ISO 6400, ISO 3200, ISO 12800, ISO 25600 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Evaluative, 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 |
| Bracketing Modes | Flash Exposure Bracketing | White balance 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 | - |
| 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) | - |
| Shutter Type | Mechanical electronically-controlled | Mechanical electronically-controlled |
| Max Shutter Speed | 1/8000 sec | 1/4000 sec |
| Min Shutter Speed | 30 sec | 60 sec |
| Exposure Compensation | ±5 EV range, in 1/2 or 1/3 EV steps | ±5 EV range |
| Auto Exposure Bracketing | 3 or 5 steps | - |
| White Balance Bracketing | Yes | Yes |
| X-sync Speed | 1/250sec | 1/125sec |
| Exposure Range | EV -3-20 (ISO 100) | - |
| DISPLAY | Sony Alpha7s II ILCE-7SM2 | YI M1 + |
|---|
| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | - | Yes |
| Display Format | 1,228,800 pixels | 1,040,000 pixels |
| Display Form Factor | Folding | Built-in |
| Display Features | Display brightness control | Display brightness control |
| VIDEOGRAPHY / CAMCORDER | Sony Alpha7s II ILCE-7SM2 | YI M1 + |
|---|
| Digital Video Format | AVCHD, H.264, XAVC S, AVC | H.264 |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG | JPEG, RAW |
| Max Video Resolution | 3840 x 2160 | 3840 x 2160 |
| Surround Sound | Dolby Digital AC-3 (2 channel) recording | - |
| Microphone Operation Mode | Stereo | Stereo |
| MEMORY | Sony Alpha7s II ILCE-7SM2 | YI M1 + |
|---|
| Memory Card Slot | Memory Stick Micro (M2) card, Memory Stick PRO Duo card, SD card | 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 |
| Memory Card Included | No | No |
| Memory Card Max Supported Size | - | 512 GB |
| 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 |
- |
| 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 |
- |
| BATTERY AND CHARGING | Sony Alpha7s II ILCE-7SM2 | YI M1 + |
|---|
| Battery Type | Sony NP-FW50 Lithium Ion | Lithium Ion - manufacturer-specific |
|---|---|---|
| Details | Sony NP-FW50 Li-ion rechargeable battery - 1080 mAh (included) | Li-ion rechargeable battery - 900 mAh (included) |
| Battery Life | Photo shooting - 310 shots (EVF on) Photo shooting - 370 shots (LCD Monitor on) |
Photo shooting - 450 shots |
| CONNECTIONS | Sony Alpha7s II ILCE-7SM2 | YI M1 + |
|---|
| Interface | HDMI, USB 2.0, IEEE 802.11b/g/n, NFC (Near Field Communication) | HDMI, USB 2.0, Wireless LAN, Bluetooth 4.0 |
|---|---|---|
| Connectivity Features | Remote control via mobile devices, remote live view | Remote control via mobile devices |
| Print Standard | DPOF support, Exif Print support, PRINT Image Matching | Exif Print support |
| Flash Terminal | Hot shoe | Hot shoe |
| 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 HDMI output |
| FEATURES | Sony Alpha7s II ILCE-7SM2 | YI M1 + |
|---|
| Self-Timer Delay | 10 sec, 2sec, 5 sec | 10 sec, 2sec |
|---|---|---|
| Continuous Shooting Speed | 2.5 frames per second, 5 frames per second | 5 frames per second |
| 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 | Built-in speaker, in-camera RAW processing, Panorama Capture, Time-Lapse recording |
| OTHERS | Sony Alpha7s II ILCE-7SM2 | YI M1 + |
|---|
| Included Accessories | Eyepiece cover, battery charger, shoulder strap, AC power adaptor, shoe cap, micro-USB cable, cable protector | Carrying strap, body cap, lens cap, AC power adaptor, USB cable |
|---|---|---|
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | 0 °C | -10 °C |
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