Detailed comparison and review of Olympus OM-D E-M1 and Sony Alpha7s ILCE-7S. 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 | Olympus OM-D E-M1 | Sony Alpha7s ILCE-7S |
|---|
| Product Type | Digital camera - 1080p - mirrorless system | Digital camera - 1080p - mirrorless system |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 9.35 cm | 9.44 cm |
| Width | 13.04 cm | 12.69 cm |
| Depth | 6.31 cm | 4.82 cm |
| Weight | 443 g | 446 g |
| Body Material | Magnesium alloy | Magnesium alloy |
| Enclosure Colour | Silver | Black | Black |
| Protection | Splashproof, freezeproof, dust-resistant | - |
| SENSOR | Olympus OM-D E-M1 | Sony Alpha7s ILCE-7S |
|---|
| Sensor Resolution | 16.3 Megapixel | 12.2 Megapixel |
|---|---|---|
| Optical Sensor Type | Live MOS | Exmor CMOS |
| Total Pixels | 16,800,000 pixels | 12,400,000 pixels |
| Effective Sensor Resolution | 16,300,000 pixels | 12,200,000 pixels |
| Optical Sensor Size | Four Thirds (4/3") | Full Frame (35.8 x 23.9 mm) |
| Frame Rate (Max Resolution) | - | 60 fps |
| Sensor Dust Reduction | - | Yes |
| Sensor Features | - | Dust Reduction (image sensor vibration), Anti-Dust coating |
| Image Stabiliser | Optical (5-axis image sensor shift mechanism) | - |
| Built-in Optical Image Stabiliser | Yes | - |
| Sensors | Digital level metre | - |
| PROCESSOR | Olympus OM-D E-M1 | Sony Alpha7s ILCE-7S |
|---|
| Image Processor | TruePic VII | BIONZ X |
|---|
| LENS | Olympus OM-D E-M1 | Sony Alpha7s ILCE-7S |
|---|
| Lens Mounting Type | Micro Four Thirds | Sony E-mount |
|---|
| FOCUSING | Olympus OM-D E-M1 | Sony Alpha7s ILCE-7S |
|---|
| Auto Focus | TTL contrast and phase detection | TTL contrast detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | - | 25 |
| AE/AF Control | Face-priority AF, Subject-tracking AF, Eye detection AF | - |
| Face Detection | Yes | - |
| VIEWFINDER | Olympus OM-D E-M1 | Sony Alpha7s ILCE-7S |
|---|
| Viewfinder Type | Built-in - electronic | Electronic - OLED |
|---|---|---|
| Viewfinder Colour Support | Colour | Colour |
| Viewfinder Diagonal Size | - | 0.5" |
| Viewfinder Resolution | 2,360,000 pixels | 2,359,296 pixels |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 1.48x | 0.71x |
| Optical Viewfinder Dioptric Correction Range | -4 to +2 | -4 to +3 |
| Field of View Crop Factor | 2 | - |
| Features | - | Viewfinder brightness control |
| EXPOSURE & WHITE BALANCE | Olympus OM-D E-M1 | Sony Alpha7s ILCE-7S |
|---|
| ISO (Max) | 25600 | 409600 |
|---|---|---|
| Extended ISO (Max) | - | 409600 |
| Extended ISO (Min) | - | 50 |
| Light Sensitivity | ISO 200-25600, ISO auto (200-25600) | ISO 50, ISO 100-409600 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Multi-segment, centre-weighted, spot |
| Exposure Metering Zones | 324 | 1200 |
| Exposure Modes | Programme, bulb, automatic, manual, aperture-priority, shutter-priority | Programme, bulb, automatic, manual, aperture-priority, shutter-priority |
| Bracketing Modes | Art Filter bracketing, ISO sensitivity bracketing | Dynamic Range Bracketing |
| Shooting Programs | Landscape, portrait mode, macro, beach/snow, landscape-portrait, Children, fireworks, 3D image, panorama assist, night scene, sports mode, sunset, candle, high key, night scene with portrait, anti shake, low key, documents, nature macro, e-portrait, fisheye converter, wide converter, macro converter | - |
| Special Effects | Black & White, Sepia, soft focus, Water Colour, Diorama, Cross Process, Grainy Film, Light Tone, Pop Art, Pale & Light Colour, pin hole, Gentle Sepia, Dramatic Tone, Key Line, Star Light, Defocus, White Edge | - |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Incandescent, fluorescent, cloudy, sunlight, Flash, shade, Underwater, 2000K - 14000K | Incandescent, cloudy, daylight, shade, fluorescent light (cool white), fluorescent light (warm white), Underwater, 2500K - 9900K, fluorescent light (daylight colour), fluorescent light (daylight white) |
| Shutter Type | - | Mechanical electronically-controlled |
| Max Shutter Speed | 1/8000 sec | 1/8000 sec |
| Min Shutter Speed | 60 sec | 30 sec |
| Exposure Compensation | ±5 EV range, in 1, 1/2 or 1/3 EV steps | - |
| Auto Exposure Bracketing | - | 3 or 5 steps |
| White Balance Bracketing | - | Yes |
| Exposure Range | EV 2-20 (ISO 100) | EV -3-20 (ISO 100) |
| DISPLAY | Olympus OM-D E-M1 | Sony Alpha7s ILCE-7S |
|---|
| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | Yes | - |
| Display Format | 1,037,000 pixels | 921,600 pixels |
| Display Form Factor | Folding | Folding |
| Display Features | Contrast control, display brightness control, display colour control | Display brightness control |
| FLASH | Olympus OM-D E-M1 | Sony Alpha7s ILCE-7S |
|---|
| Camera Flash | Detachable flash | - |
|---|---|---|
| Guide Number (m / ISO 100) | 7 | - |
| Flash Modes | Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction | - |
| Red-Eye Reduction | Yes | - |
| Features | AF illuminator, flash +/- compensation, wireless off-camera control, flash exposure bracketing | - |
| VIDEOGRAPHY / CAMCORDER | Olympus OM-D E-M1 | Sony Alpha7s ILCE-7S |
|---|
| Digital Video Format | AVI, MJPEG, H.264, MOV | AVCHD, H.264, XAVC S |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG, MPO | JPEG, RAW, RAW + JPEG |
| Max Video Resolution | 1920 x 1080 | 1920 x 1080 |
| Surround Sound | - | Dolby Digital AC-3 (2 channel) recording |
| Microphone Operation Mode | Stereo | Stereo |
| Microphone Features | Wind noise reduction, sensitivity control | - |
| MEMORY | Olympus OM-D E-M1 | Sony Alpha7s ILCE-7S |
|---|
| Memory Card Slot | SD card | Memory Stick PRO Duo card, 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, Memory Stick PRO Duo, SDXC Memory Card, SDHC Memory Card, Memory Stick PRO-HG Duo, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card, Memory Stick XC-HG Duo |
| Memory Card Included | No | - |
| Image Storage | RAW 4608 x 3456 - 17 MB JPEG 4608 x 3456 - 7.5 MB JPEG 4608 x 3456 - 3.5 MB JPEG 2560 x 1920 - 1.1 MB |
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 | MOV - 1920 x 1080 - 30 fps - 24Mbps MOV - 1920 x 1080 - 30 fps - 16Mbps MOV - 1280 x 720 - 30 fps - 12Mbps MOV - 1280 x 720 - 30 fps - 8Mbps MJPEG - 1280 x 720 - 30 fps MJPEG - 640 x 480 - 30 fps |
XAVC S - 1920 x 1080 - 50Mbps XAVC S - 1280 x 720 - 50Mbps AVCHD - 1920 x 1080 - 28Mbps AVCHD - 1920 x 1080 - 24Mbps AVCHD - 1920 x 1080 - 17Mbps AVCHD - 1920 x 1080 - 24Mbps AVCHD - 1920 x 1080 - 17Mbps H.264 - 1440 x 1080 - 12Mbps H.264 - 640 x 480 - 3Mbps |
| BATTERY AND CHARGING | Olympus OM-D E-M1 | Sony Alpha7s ILCE-7S |
|---|
| Battery Type | Olympus BLN-1 Lithium Ion | Sony NP-FW50 Lithium Ion |
|---|---|---|
| Details | Olympus BLN-1 Li-ion rechargeable battery (included) | Sony NP-FW50 Li-ion rechargeable battery - 1080 mAh (included) |
| Battery Life | Photo shooting - 250 shots | Photo shooting - 360 shots |
| CONNECTIONS | Olympus OM-D E-M1 | Sony Alpha7s ILCE-7S |
|---|
| Interface | Composite video/audio, HDMI, USB 2.0, Wireless LAN | Composite video/audio, HDMI, USB 2.0, Wireless LAN, NFC (Near Field Communication) |
|---|---|---|
| Connectivity Features | Remote control via mobile devices, remote live view | - |
| Print Standard | DPOF support, Exif Print support, PRINT Image Matching | Direct print, Exif Print support, PictBridge support |
| Flash Terminal | Hot shoe | Hot shoe |
| Connector Type | USB 2.0 Composite video/audio output HDMI output (19 pin micro HDMI Type D) Microphone Accessory port |
USB 2.0 HDMI output Composite video/audio output Microphone Headphones |
| FEATURES | Olympus OM-D E-M1 | Sony Alpha7s ILCE-7S |
|---|
| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec |
|---|---|---|
| Continuous Shooting Speed | 10 frames per second, 6.5 frames per second | 2.5 frames per second, 5 frames per second |
| Additional Features | Audio recording, built-in speaker, RGB primary colour filter, auto power save, sharpness control, histogram display, AE lock, AF lock, cropping an image, resizing an image, saturation control, in-camera red-eye fix, interval shooting mode, face detection, Shadow Adjustment Technology, in-camera RAW processing, Full-time Live View, Intelligent AUTO (iAUTO), Eye-Fi Card Ready, Touch Shutter technology, GPS via mobile | Built-in speaker, RGB primary colour filter, histogram display, Sweep Panorama technology, Dynamic Range Optimizer, peripheral illumination correction, Dolby Digital Stereo Creator, Chromatic Aberration Compensation (CAC), high-speed recording, Superior Auto mode, BRAVIA Sync function, PhotoTV HD, distortion correction function, Clean HDMI output for 4K movies |
| OTHERS | Olympus OM-D E-M1 | Sony Alpha7s ILCE-7S |
|---|
| Included Accessories | Battery charger, body cap, shoulder strap, USB cable | Body cap, shoulder strap, additional battery, micro-USB cable, 2 battery chargers, 2 battery packs |
|---|---|---|
| Software | Drivers & Utilities, Olympus Viewer 3 | Sony PlayMemories Home, Sony Image Data Converter 4.0 |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | -10 °C | 0 °C |
| Service & Support | - | Limited warranty - parts and labour - 2 years |
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