Side by side comparison and review of Olympus OM-D E-M1 and Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS. Compare design, sensors, zoom functions, batteries and other key specifications and features to simplify the choice of your perfect digital camera. Our goal is to make it easier for you to decide on the camera that will best meet your expectations by revealing the main differences between the products.
DESIGN AND DIMENSIONS | Olympus OM-D E-M1 | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS |
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Product Type | Digital camera - 1080p - mirrorless system | Digital camera - 4K - mirrorless system |
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Lens Included | Body only | FE 28-70mm OSS lens |
Height | 9.35 cm | 9.56 cm |
Width | 13.04 cm | 12.69 cm |
Depth | 6.31 cm | 7.37 cm |
Weight | 443 g | 650 g |
Weight Details | - | Camera with battery and memory card: 650 g |
Body Material | Magnesium alloy | - |
Enclosure Colour | Silver | Black | Black |
Protection | Splashproof, freezeproof, dust-resistant | Dust-resistant, moisture-resistant |
Digital Zoom | - | 4x |
SENSOR | Olympus OM-D E-M1 | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS |
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Sensor Resolution | 16.3 Megapixel | 24.2 Megapixel |
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Optical Sensor Type | Live MOS | Exmor R CMOS |
Total Pixels | 16,800,000 pixels | 25,300,000 pixels |
Effective Sensor Resolution | 16,300,000 pixels | 24,200,000 pixels |
Optical Sensor Size | Four Thirds (4/3") | Full Frame (35.6 x 23.8 mm) |
Frame Rate (Max Resolution) | - | 30 fps |
Sensor Dust Reduction | - | Yes |
Sensor Features | - | Dust Reduction (image sensor vibration), Anti-Dust coating |
Image Stabiliser | Optical (5-axis image sensor shift mechanism) | Optical (5-axis Steady Shot) |
Built-in Optical Image Stabiliser | Yes | Yes |
Sensors | Digital level metre | Digital level metre |
PROCESSOR | Olympus OM-D E-M1 | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS |
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Image Processor | TruePic VII | BIONZ X |
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LENS | Olympus OM-D E-M1 | Sony Alpha7 III ILCE-7M3K + 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 | Micro Four Thirds | Sony E-mount |
Features | - | Internal focusing system, full-time manual focusing, ED glass, splashproof, aspherical lens, dustproof |
FOCUSING | Olympus OM-D E-M1 | Sony Alpha7 III ILCE-7M3K + 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 | - | 693 |
Auto Focus Features | - | Focus Peaking function |
AE/AF Control | Face-priority AF, Subject-tracking AF, Eye detection AF | Face-priority AF, Touch Area AF |
Face Detection | Yes | Face-priority AF function |
VIEWFINDER | Olympus OM-D E-M1 | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS |
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Viewfinder Type | Built-in - electronic | Electronic - OLED |
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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 | 0.78x |
Optical Viewfinder Dioptric Correction Range | -4 to +2 | -4 to +3 |
Field of View Crop Factor | 2 | - |
Features | - | Viewfinder brightness control, colour temperature control |
EXPOSURE & WHITE BALANCE | Olympus OM-D E-M1 | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS |
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ISO (Max) | 25600 | 204800 |
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Native ISO | - | 100-51200 |
Extended ISO (Max) | - | 204800 |
Extended ISO (Min) | - | 50 |
Light Sensitivity | ISO 200-25600, ISO auto (200-25600) | ISO 50, ISO 102400, ISO 204800, ISO 100-51200 |
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, automatic, manual, aperture-priority, shutter-priority |
Bracketing Modes | Art Filter bracketing, ISO sensitivity bracketing | Flash Exposure Bracketing, white balance 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 | Landscape, portrait mode, macro, night portrait, night scene, sports mode, sunset |
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 | Black & White, Sepia, Neutral, Vivid, sunset, landscape, portrait, clear, deep, light, autumn leaves, Retro, partial colour, Toy camera, Posterisation, High contrast monochrome, Pop Colour, Rich-tone monochrome, Soft High-key, Night Scene, Standard, Style Box, Posterisation (B/W) |
White Balance | Custom, automatic, presets | Custom, automatic, presets |
White Balance Presets | Incandescent, fluorescent, cloudy, sunlight, Flash, shade, Underwater, 2000K - 14000K | Incandescent, fluorescent, cloudy, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Underwater, 2500K - 9900K, 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 | ±5 EV range, in 1/2 or 1/3 EV steps |
Auto Exposure Bracketing | - | 3, 5, 9 steps in 1/3, 1/2, 2/3, 1, 2 or 3 EV steps |
White Balance Bracketing | - | Yes |
X-sync Speed | - | 1/250sec |
Exposure Range | EV 2-20 (ISO 100) | EV -3-20 (ISO 100) |
DISPLAY | Olympus OM-D E-M1 | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS |
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Type | 3" LCD display | 3" LCD display |
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Touch Screen | Yes | 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 Alpha7 III ILCE-7M3K + FE 28-70mm OSS |
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Camera Flash | Detachable flash | - |
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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 Alpha7 III ILCE-7M3K + FE 28-70mm OSS |
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Digital Video Format | AVI, MJPEG, H.264, MOV | AVCHD, XAVC S |
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Image Recording Format | JPEG, RAW, RAW + JPEG, MPO | JPEG, RAW, RAW + JPEG |
Max Video Resolution | 1920 x 1080 | 3840 x 2160 |
Audio Signal Format | - | Dolby Digital AC-3 (2 channel), Linear PCM |
Microphone Operation Mode | Stereo | Stereo |
Microphone Features | Wind noise reduction, sensitivity control | - |
MEMORY | Olympus OM-D E-M1 | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS |
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Memory Card Slot | SD card | Memory Stick PRO Duo card, 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, 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, SDHC UHS-II Memory Card, SDXC UHS-II Memory Card |
Memory Card Included | No | 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 |
6000 x 4000 3936 x 2624 3008 x 2000 1968 x 1312 6000 x 3376 3936 x 2216 3008 x 1688 1968 x 1112 |
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 - 3840 x 2160 p - 30 fps - 100Mbps XAVC S - 3840 x 2160 p - 24 fps - 100Mbps XAVC S - 3840 x 2160 p - 30 fps - 60Mbps XAVC S - 3840 x 2160 p - 24 fps - 60Mbps XAVC S - 1920 x 1080 p - 120 fps - 100Mbps XAVC S - 1920 x 1080 p - 120 fps - 60Mbps XAVC S - 1920 x 1080 p - 60 fps - 50Mbps XAVC S - 1920 x 1080 p - 30 fps - 50Mbps XAVC S - 1920 x 1080 p - 24 fps - 50Mbps XAVC S - 1920 x 1080 p - 60 fps - 25Mbps XAVC S - 1920 x 1080 p - 30 fps - 16Mbps AVCHD - 1920 x 1080 i - 60 fps - 24Mbps AVCHD - 1920 x 1080 i - 60 fps - 17Mbps XAVC S - 3840 x 2160 p - 25 fps - 100Mbps XAVC S - 3840 x 2160 p - 25 fps - 60Mbps XAVC S - 1920 x 1080 p - 100 fps - 100Mbps XAVC S - 1920 x 1080 p - 100 fps - 60Mbps XAVC S - 1920 x 1080 p - 50 fps - 50Mbps XAVC S - 1920 x 1080 p - 25 fps - 50Mbps AVCHD - 1920 x 1080 i - 50 fps - 24Mbps AVCHD - 1920 x 1080 i - 50 fps - 17Mbps |
BATTERY AND CHARGING | Olympus OM-D E-M1 | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS |
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Battery Type | Olympus BLN-1 Lithium Ion | Sony NP-FZ100 Lithium Ion |
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Details | Olympus BLN-1 Li-ion rechargeable battery (included) | Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included) |
Battery Life | Photo shooting - 250 shots | Photo shooting - 710 shots (LCD Monitor on) Photo shooting - 610 shots (EVF on) Video recording - 2.08 hours (LCD Monitor on) Voice recording - 1.92 hours (EVF on) |
CONNECTIONS | Olympus OM-D E-M1 | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS |
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Interface | Composite video/audio, HDMI, USB 2.0, Wireless LAN | HDMI, USB 3.1, IEEE 802.11b/g/n, NFC (Near Field Communication), Bluetooth 4.1 |
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Connectivity Features | Remote control via mobile devices, remote live view | Remote control via mobile devices, remote live view, Wireless Image Transfer |
Print Standard | DPOF support, Exif Print support, PRINT Image Matching | DPOF support, Exif Print support, PRINT Image Matching |
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 3.1 (USB Type-C) HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) |
FEATURES | Olympus OM-D E-M1 | Sony Alpha7 III ILCE-7M3K + 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 | 10 frames per second, 6.5 frames per second | 8 frames per second, 10 frames per second |
HDR Mode | - | Auto HDR mode |
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, sharpness control, digital image rotation, camera orientation detection, histogram display, saturation control, shadow point display, highlight point display, takes photos while film recording, contrast control, Dynamic Range Optimizer, USB charging, built-in help guide, Dolby Digital Stereo Creator, Intelligent AUTO (iAUTO), Clear Image Zoom, noise reduction over long exposures, Lens Distortion Correction, high ISO speed noise reduction, PlayMemories Camera Apps support, silent shooting, BRAVIA Sync function, PhotoTV HD, GPS via mobile, S-Log2 gamma setting, peripheral shading correction, chromatic aberration correction, anti-flicker, Hybrid Log-Gamma (HLG) recording, S-Log3 gamma setting |
OTHERS | Olympus OM-D E-M1 | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS |
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Included Accessories | Battery charger, body cap, shoulder strap, USB cable | Eyepiece cover, lens hood, dust cap, body cap, shoulder strap, AC power adaptor, shoe cap, micro-USB cable |
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Software | Drivers & Utilities, Olympus Viewer 3 | - |
Max Operating Temperature | 40 °C | 40 °C |
Min Operating Temperature | -10 °C | 0 °C |