Side by side comparison and review of Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS and Olympus OM-D E-M1 Mark III. 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 | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS | Olympus OM-D E-M1 Mark III |
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| Product Type | Digital camera - 4K - mirrorless system | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | FE 28-70mm OSS lens | Body only |
| Height | 9.56 cm | 9.09 cm |
| Width | 12.69 cm | 13.41 cm |
| Depth | 7.37 cm | 6.89 cm |
| Weight | 650 g | 504 g |
| Weight Details | Camera with battery and memory card: 650 g | Camera only: 504 g Camera with battery and memory card: 580 g |
| Body Material | - | Magnesium alloy |
| Enclosure Colour | Black | Black |
| Protection | Dust-resistant, moisture-resistant | Splashproof, freezeproof, dust-resistant |
| Digital Zoom | 4x | - |
| SENSOR | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS | Olympus OM-D E-M1 Mark III |
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| Sensor Resolution | 24.2 Megapixel | 20.4 Megapixel |
|---|---|---|
| Optical Sensor Type | Exmor R CMOS | Live MOS |
| Total Pixels | 25,300,000 pixels | 21,800,000 pixels |
| Effective Sensor Resolution | 24,200,000 pixels | 20,400,000 pixels |
| Optical Sensor Size | Full Frame (35.6 x 23.8 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 | Digital level metre |
| PROCESSOR | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS | Olympus OM-D E-M1 Mark III |
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| Image Processor | BIONZ X | TruePic IX |
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| LENS | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS | Olympus OM-D E-M1 Mark III |
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| Type | Zoom lens 28 - 70 mm - f/3.5-5.6 FE OSS - zoom | - |
|---|---|---|
| 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 | Sony E-mount | Micro Four Thirds |
| Features | Internal focusing system, full-time manual focusing, ED glass, splashproof, aspherical lens, dustproof | - |
| FOCUSING | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS | Olympus OM-D E-M1 Mark III |
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| Auto Focus | TTL contrast and phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 693 | 121 |
| Auto Focus Features | Focus Peaking function | Focus Peaking function |
| AE/AF Control | Face-priority AF, Touch Area AF | Face-priority AF, Eye detection AF |
| Face Detection | Face-priority AF function | Eye Detect AF, face-priority AF function |
| VIEWFINDER | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS | Olympus OM-D E-M1 Mark III |
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| 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 | 1.48x |
| Optical Viewfinder Dioptric Correction Range | -4 to +3 | -4 to +2 |
| Viewfinder Information | - | Shutter speed, exposure compensation, AF-in-focus, aperture, white balance, Exposure Mode, image stabilizer, battery status, AF lock, electronic level, area AF frame, metering mode |
| Field of View Crop Factor | - | 2 |
| Features | Viewfinder brightness control, colour temperature control | Viewfinder brightness control, colour temperature control |
| EXPOSURE & WHITE BALANCE | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS | Olympus OM-D E-M1 Mark III |
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| ISO (Max) | 204800 | 25600 |
|---|---|---|
| Native ISO | 100-51200 | 200-6400 |
| Extended ISO (Max) | 204800 | 25600 |
| Extended ISO (Min) | 50 | 64 |
| Light Sensitivity | ISO 50, ISO 102400, ISO 204800, ISO 100-51200 | ISO auto (64-6400), ISO 64-25600 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Multi-segment, centre-weighted, spot, highlight spot, shadow spot |
| Exposure Metering Zones | 1200 | 324 |
| Exposure Modes | Programme, automatic, manual, aperture-priority, shutter-priority | Bulb, automatic, manual, aperture-priority, shutter-priority |
| Bracketing Modes | Flash Exposure Bracketing, white balance bracketing | Art Filter bracketing, focus bracketing, ISO sensitivity bracketing, Flash Exposure Bracketing, white balance bracketing |
| Shooting Programs | Landscape, portrait mode, macro, night portrait, night scene, sports mode, sunset | - |
| Special Effects | 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) | Sepia, Monotone, Black & White Red filter, Black & White Yellow filter, Vivid, Black & White Orange filter, soft focus, natural, Black & White Green filter, Flat, portrait, Water Colour, Diorama, Cross Process, partial colour, Grainy Film, Light Tone, Pop Art, Pale & Light Colour, pin hole, Gentle Sepia, Dramatic Tone, Bleach Bypass, High Key, Low Key, Key Line, Vintage, e-Portrait |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Incandescent, fluorescent, cloudy, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Underwater, 2500K - 9900K, fluorescent light (daylight white) | Fluorescent, sunlight, tungsten light, Flash, shade, overcast, Underwater, 2000K - 14000K |
| Shutter Type | Mechanical electronically-controlled | Mechanical, electronic |
| 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, 5, 9 steps in 1/3, 1/2, 2/3, 1, 2 or 3 EV 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 Alpha7 III ILCE-7M3K + FE 28-70mm OSS | Olympus OM-D E-M1 Mark III |
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| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | Yes | Yes |
| Display Format | 921,600 pixels | 1,037,000 pixels |
| Display Form Factor | Folding | Rotating |
| Display Features | Display brightness control | Display brightness control, display colour control |
| VIDEOGRAPHY / CAMCORDER | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS | Olympus OM-D E-M1 Mark III |
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| Digital Video Format | AVCHD, XAVC S | MJPEG, H.264 |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG | JPEG, RAW, RAW + JPEG |
| Max Video Resolution | 3840 x 2160 | 4096 x 2160 |
| Audio Signal Format | Dolby Digital AC-3 (2 channel), Linear PCM | Linear PCM |
| Microphone Operation Mode | Stereo | Stereo |
| Microphone Features | - | Wind noise reduction |
| MEMORY | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS | Olympus OM-D E-M1 Mark III |
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| Memory Card Slot | 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, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card, SDHC UHS-II Memory Card, SDXC UHS-II 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 | 6000 x 4000 3936 x 2624 3008 x 2000 1968 x 1312 6000 x 3376 3936 x 2216 3008 x 1688 1968 x 1112 |
5184 x 3888 |
| Video Capture | 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 |
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 AVI - 640 x 480 p - 30 fps |
| BATTERY AND CHARGING | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS | Olympus OM-D E-M1 Mark III |
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| Battery Type | Sony NP-FZ100 Lithium Ion | Olympus BLH-1 Lithium Ion |
|---|---|---|
| Details | Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included) | Olympus BLH-1 Li-ion rechargeable battery - 1720 mAh (included) |
| Battery Life | 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) |
Photo shooting - 420 shots Video recording - 85 minutes |
| CONNECTIONS | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS | Olympus OM-D E-M1 Mark III |
|---|
| Interface | HDMI, USB 3.1, IEEE 802.11b/g/n, NFC (Near Field Communication), Bluetooth 4.1 | HDMI, USB 3.0, IEEE 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| Connectivity Features | Remote control via mobile devices, remote live view, Wireless Image Transfer | Remote control via mobile devices, remote live view |
| Print Standard | DPOF support, Exif Print support, PRINT Image Matching | DPOF support, Exif Print support |
| Flash Terminal | Hot shoe | Hot shoe, PC terminal |
| Connector Type | 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) |
USB 3.0 (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 | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS | Olympus OM-D E-M1 Mark III |
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| Self-Timer Delay | 10 sec, 2sec, 5 sec | 2sec, 12sec |
|---|---|---|
| Continuous Shooting Speed | 8 frames per second, 10 frames per second | 10 frames per second, 15 frames per second, 60 frames per second, 18 frames per second |
| HDR Mode | Auto HDR mode | - |
| Additional Features | 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 | Built-in speaker, RGB primary colour filter, auto power save, sharpness control, histogram display, in-camera red-eye removal, cropping an image, resizing an image, saturation control, shadow point display, highlight point display, in-camera film editing, contrast control, digital tele-converter, USB charging, HDR image enhancement technology, high-speed recording, Time-Lapse recording, silent shooting, GPS via mobile, Flicker detection, multiple exposure capture, Focus Stacking, 80-megapixel High Resolution mode |
| OTHERS | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS | Olympus OM-D E-M1 Mark III |
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| Included Accessories | Eyepiece cover, lens hood, dust cap, body cap, shoulder strap, AC power adaptor, shoe cap, micro-USB cable | Battery charger, body cap, shoulder strap, USB cable, cable clip |
|---|---|---|
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | 0 °C | -10 °C |
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