In depth comparison and review of Sony Alpha7s II ILCE-7SM2 and Olympus OM-D E-M1 Mark II. 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 | Olympus OM-D E-M1 Mark II |
|---|
| Product Type | Digital camera - 4K - mirrorless system | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 9.57 cm | 9.09 cm |
| Width | 12.69 cm | 13.41 cm |
| Depth | 6.03 cm | 6.89 cm |
| Weight | 584 g | 498 g |
| Weight Details | - | Camera only: 498 g Camera with battery and memory card: 574 g |
| Body Material | - | Metal |
| Enclosure Colour | Black | Black |
| Protection | - | Splashproof, freezeproof, dust-resistant |
| SENSOR | Sony Alpha7s II ILCE-7SM2 | Olympus OM-D E-M1 Mark II |
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| Sensor Resolution | 12.2 Megapixel | 20.4 Megapixel |
|---|---|---|
| Optical Sensor Type | Exmor CMOS | Live MOS |
| Total Pixels | 12,400,000 pixels | 21,800,000 pixels |
| Effective Sensor Resolution | 12,200,000 pixels | 20,400,000 pixels |
| Optical Sensor Size | Full Frame (35.8 x 23.9 mm) | Four Thirds (4/3") |
| Frame Rate (Max Resolution) | 30 fps | 24 fps |
| Sensor Dust Reduction | Yes | Yes |
| Sensor Features | Dust Reduction (image sensor vibration), Anti-Dust coating | Supersonic Wave Filter (SWF) |
| Image Stabiliser | Optical (5-axis Steady Shot) | Optical (5-axis image sensor shift mechanism) |
| Built-in Optical Image Stabiliser | Yes | Yes |
| Sensors | - | Digital level metre |
| PROCESSOR | Sony Alpha7s II ILCE-7SM2 | Olympus OM-D E-M1 Mark II |
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| Image Processor | BIONZ X | TruePic VIII |
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| LENS | Sony Alpha7s II ILCE-7SM2 | Olympus OM-D E-M1 Mark II |
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| Lens Mounting Type | Sony E-mount | Micro Four Thirds |
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| FOCUSING | Sony Alpha7s II ILCE-7SM2 | Olympus OM-D E-M1 Mark II |
|---|
| Auto Focus | TTL contrast detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 169 | 121 |
| 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-priority AF, Eye detection AF |
| Face Detection | Face Recognition | Eye Detect AF, face-priority AF function |
| VIEWFINDER | Sony Alpha7s II ILCE-7SM2 | Olympus OM-D E-M1 Mark II |
|---|
| Viewfinder Type | Electronic - OLED | Electronic - LCD |
|---|---|---|
| Viewfinder Colour Support | Colour | Colour |
| Viewfinder Diagonal Size | 0.5" | - |
| Viewfinder Resolution | 2,359,296 pixels | 2,360,000 pixels |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 0.78x | - |
| Optical Viewfinder Dioptric Correction Range | -4 to +3 | -4 to +2 |
| Field of View Crop Factor | - | 2 |
| Features | Viewfinder brightness control | - |
| EXPOSURE & WHITE BALANCE | Sony Alpha7s II ILCE-7SM2 | Olympus OM-D E-M1 Mark II |
|---|
| ISO (Max) | 409600 | 25600 |
|---|---|---|
| Native ISO | - | 200-6400 |
| Extended ISO (Max) | 409600 | 25600 |
| Extended ISO (Min) | 50 | 64 |
| Light Sensitivity | ISO auto (100-12800), ISO 100-102400, ISO 50-409600 | ISO auto (64-6400), ISO 64-25600 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Multi-segment, centre-weighted, spot |
| Exposure Metering Zones | 1200 | 324 |
| Exposure Modes | Programme, bulb, automatic, manual, aperture-priority, shutter-priority | Programme, bulb, automatic, manual, aperture-priority, shutter-priority |
| Bracketing Modes | Flash Exposure Bracketing | Art Filter bracketing, focus bracketing, ISO sensitivity bracketing, 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 | Monotone, Black & White Red filter, Black & White Yellow filter, Vivid, Custom Effect, Black & White Orange filter, soft focus, natural, Black & White Green filter, Muted, portrait, Water Colour, Diorama, Cross Process, partial colour, Grainy Film, Light Tone, Pop Art, Pale & Light Colour, pin hole, Gentle Sepia, i-Enhance, Dramatic Tone, High Key, Low Key, Key Line, Vintage |
| 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) | Incandescent, fluorescent, cloudy, sunlight, Flash, shade, Underwater, 2000K - 14000K |
| Shutter Type | Mechanical electronically-controlled | Mechanical |
| Max Shutter Speed | 1/8000 sec | 1/32000 sec |
| Min Shutter Speed | 30 sec | 60 sec |
| Exposure Compensation | ±5 EV range, in 1/2 or 1/3 EV steps | ±5 EV range, in 1, 1/2 or 1/3 EV steps |
| Auto Exposure Bracketing | 3 or 5 steps | 5 steps in 1/3, 2/3 or 1 EV steps |
| White Balance Bracketing | Yes | Yes |
| X-sync Speed | 1/250sec | 1/250sec |
| Exposure Range | EV -3-20 (ISO 100) | EV 2-20 (ISO 100) |
| DISPLAY | Sony Alpha7s II ILCE-7SM2 | Olympus OM-D E-M1 Mark II |
|---|
| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | - | Yes |
| Display Format | 1,228,800 pixels | 1,037,000 pixels |
| Display Form Factor | Folding | Folding |
| Display Features | Display brightness control | Display brightness control, display colour control |
| FLASH | Sony Alpha7s II ILCE-7SM2 | Olympus OM-D E-M1 Mark II |
|---|
| Camera Flash | - | Hot-shoe clip-on flash |
|---|---|---|
| Guide Number (m / ISO 100) | - | 9.1 |
| Flash Modes | - | Fill-in mode, rear curtain sync, red-eye reduction, slow sync |
| Red-Eye Reduction | - | Yes |
| Features | - | Flash +/- compensation |
| External Flash Name | - | Olympus FL-LM3 |
| VIDEOGRAPHY / CAMCORDER | Sony Alpha7s II ILCE-7SM2 | Olympus OM-D E-M1 Mark II |
|---|
| Digital Video Format | AVCHD, H.264, XAVC S, AVC | MJPEG, H.264 |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG | JPEG, RAW, RAW + JPEG |
| Max Video Resolution | 3840 x 2160 | 4096 x 2160 |
| Surround Sound | Dolby Digital AC-3 (2 channel) recording | - |
| Microphone Operation Mode | Stereo | Stereo |
| Microphone Features | - | Wind noise reduction |
| MEMORY | Sony Alpha7s II ILCE-7SM2 | Olympus OM-D E-M1 Mark II |
|---|
| 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, SDHC UHS-II Memory Card, SDXC UHS-II 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 |
5184 x 3888 |
| 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 |
4096 x 2160 p - 24 fps - 237Mbps 3840 x 2160 p - 30 fps 3840 x 2160 p - 25 fps 3840 x 2160 p - 24 fps 1920 x 1080 p - 30 fps 1920 x 1080 p - 25 fps 1920 x 1080 p - 24 fps 1920 x 1080 p - 60 fps 1920 x 1080 p - 50 fps 1280 x 720 p - 60 fps 1280 x 720 p - 50 fps 1280 x 720 p - 30 fps 1280 x 720 p - 25 fps 1280 x 720 p - 24 fps |
| BATTERY AND CHARGING | Sony Alpha7s II ILCE-7SM2 | Olympus OM-D E-M1 Mark II |
|---|
| Battery Type | Sony NP-FW50 Lithium Ion | Olympus BLH-1 Lithium Ion |
|---|---|---|
| Details | Sony NP-FW50 Li-ion rechargeable battery - 1080 mAh (included) | Olympus BLH-1 Li-ion rechargeable battery (included) |
| Battery Life | Photo shooting - 310 shots (EVF on) Photo shooting - 370 shots (LCD Monitor on) |
- |
| CONNECTIONS | Sony Alpha7s II ILCE-7SM2 | Olympus OM-D E-M1 Mark II |
|---|
| Interface | HDMI, USB 2.0, IEEE 802.11b/g/n, NFC (Near Field Communication) | HDMI, USB 3.0, Wireless LAN |
|---|---|---|
| Connectivity Features | Remote control via mobile devices, remote live view | Remote control via mobile devices, remote live view |
| 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 3.0 HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) Remote control |
| FEATURES | Sony Alpha7s II ILCE-7SM2 | Olympus OM-D E-M1 Mark II |
|---|
| Self-Timer Delay | 10 sec, 2sec, 5 sec | 2sec, 12sec |
|---|---|---|
| Continuous Shooting Speed | 2.5 frames per second, 5 frames per second | 10 frames per second, 15 frames per second, 60 frames per second, 18 frames per second |
| HDR Mode | Auto HDR mode | Auto HDR mode, HDR post-processing |
| 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, histogram display, shadow point display, highlight point display, digital tele-converter, in-camera RAW processing, HDR image enhancement technology, Eye-Fi Card Ready, Time-Lapse recording, noise reduction over long exposures, high ISO speed noise reduction, Focus Stacking |
| OTHERS | Sony Alpha7s II ILCE-7SM2 | Olympus OM-D E-M1 Mark II |
|---|
| Included Accessories | Eyepiece cover, battery charger, shoulder strap, AC power adaptor, shoe cap, micro-USB cable, cable protector | Battery charger, shoulder strap, USB cable, cable clip |
|---|---|---|
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | 0 °C | -10 °C |
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