In depth comparison and review of Olympus OM-D E-M1 Mark III and Sony Alpha7C ILCE-7C. 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 | Olympus OM-D E-M1 Mark III | Sony Alpha7C ILCE-7C |
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| Product Type | Digital camera - 4K - mirrorless system | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 9.09 cm | 7.11 cm |
| Width | 13.41 cm | 12.4 cm |
| Depth | 6.89 cm | 5.35 cm |
| Weight | 504 g | 424 g |
| Weight Details | Camera only: 504 g Camera with battery and memory card: 580 g |
Camera body only: 424 g Camera with battery and memory card: 509 g |
| Body Material | Magnesium alloy | - |
| Enclosure Colour | Black | Silver | Black |
| Protection | Splashproof, freezeproof, dust-resistant | - |
| SENSOR | Olympus OM-D E-M1 Mark III | Sony Alpha7C ILCE-7C |
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| Sensor Resolution | 20.4 Megapixel | 24.2 Megapixel |
|---|---|---|
| Optical Sensor Type | Live MOS | Exmor R CMOS |
| Total Pixels | 21,800,000 pixels | 25,300,000 pixels |
| Effective Sensor Resolution | 20,400,000 pixels | 24,200,000 pixels |
| Optical Sensor Size | Four Thirds (4/3") | Full Frame (35.6 x 23.8 mm) |
| Frame Rate (Max Resolution) | 24 fps | 30 fps |
| Sensor Dust Reduction | Yes | Yes |
| Sensor Features | Supersonic Wave Filter (SWF) | Dust Reduction (image sensor vibration), Anti-Dust coating |
| Image Stabiliser | Optical (5-axis image sensor shift mechanism) | Optical (5-axis image sensor shift mechanism) |
| Built-in Optical Image Stabiliser | Yes | Yes |
| Sensors | Digital level metre | Digital level metre |
| PROCESSOR | Olympus OM-D E-M1 Mark III | Sony Alpha7C ILCE-7C |
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| Image Processor | TruePic IX | BIONZ X |
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| LENS | Olympus OM-D E-M1 Mark III | Sony Alpha7C ILCE-7C |
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| Lens Mounting Type | Micro Four Thirds | Sony E-mount |
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| FOCUSING | Olympus OM-D E-M1 Mark III | Sony Alpha7C ILCE-7C |
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| Auto Focus | TTL contrast and phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 121 | 693 |
| Auto Focus Features | Focus Peaking function | Focus Peaking function, Predictive Focus Control |
| AE/AF Control | Face-priority AF, Eye detection AF | - |
| Face Detection | Eye Detect AF, face-priority AF function | Eye Detect AF, Face Recognition, face-priority AF function |
| VIEWFINDER | Olympus OM-D E-M1 Mark III | Sony Alpha7C ILCE-7C |
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| Viewfinder Type | Electronic - LCD | Electronic - OLED |
|---|---|---|
| Viewfinder Colour Support | Colour | Colour |
| Viewfinder Diagonal Size | - | 0.39" |
| Viewfinder Resolution | 2,360,000 pixels | 2,359,296 pixels |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 1.48x | 0.59x |
| Optical Viewfinder Dioptric Correction Range | -4 to +2 | -4 to +3 |
| 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 | - |
| EXPOSURE & WHITE BALANCE | Olympus OM-D E-M1 Mark III | Sony Alpha7C ILCE-7C |
|---|
| ISO (Max) | 25600 | 204800 |
|---|---|---|
| Native ISO | 200-6400 | 100-51200 |
| Extended ISO (Max) | 25600 | 204800 |
| Extended ISO (Min) | 64 | 50 |
| Light Sensitivity | ISO auto (64-6400), ISO 64-25600 | ISO 50, ISO auto (100-12800), ISO 204800, ISO 100-51200 |
| Exposure Metering | Multi-segment, centre-weighted, spot, highlight spot, shadow spot | Multi-segment, centre-weighted, spot, average, highlight weighted |
| Exposure Metering Zones | 324 | 1200 |
| Exposure Modes | Bulb, automatic, manual, aperture-priority, shutter-priority | Bulb, automatic, manual, aperture-priority, shutter-priority |
| Bracketing Modes | Art Filter bracketing, focus bracketing, ISO sensitivity bracketing, Flash Exposure Bracketing, white balance bracketing | - |
| Special Effects | 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 | 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 | Fluorescent, sunlight, tungsten light, Flash, shade, overcast, Underwater, 2000K - 14000K | Incandescent, fluorescent, cloudy, Flash, daylight, shade, Underwater, 2500K - 9900K |
| Shutter Type | Mechanical, electronic | Electronic, mechanical electronically-controlled |
| Max Shutter Speed | 1/32000 sec | 1/4000 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 | 5 steps in 1/3, 2/3 or 1 EV steps | 3, 5 or 9 steps |
| White Balance Bracketing | Yes | - |
| X-sync Speed | 1/250sec | 1/160 sec |
| Exposure Range | EV -2-20 (ISO 100) | EV -3-20 (ISO 100) |
| DISPLAY | Olympus OM-D E-M1 Mark III | Sony Alpha7C ILCE-7C |
|---|
| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | Yes | Yes |
| Display Format | 1,037,000 pixels | 921,600 pixels |
| Display Form Factor | Rotating | Rotating |
| Display Features | Display brightness control, display colour control | Display brightness control |
| VIDEOGRAPHY / CAMCORDER | Olympus OM-D E-M1 Mark III | Sony Alpha7C ILCE-7C |
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| Digital Video Format | MJPEG, H.264 | H.264, XAVC S |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG | JPEG, RAW, RAW + JPEG |
| Max Video Resolution | 4096 x 2160 | 3840 x 2160 |
| Audio Signal Format | Linear PCM | Linear PCM |
| Microphone Operation Mode | Stereo | Stereo |
| Microphone Features | Wind noise reduction | - |
| MEMORY | Olympus OM-D E-M1 Mark III | Sony Alpha7C ILCE-7C |
|---|
| Memory Card Slot | Dual SD 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, 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 | 5184 x 3888 | JPEG 6000 x 4000 JPEG 3936 x 2624 JPEG 3008 x 2000 JPEG 3936 x 2624 JPEG 1968 x 1312 JPEG 5328 x 4000 JPEG 3488 x 2624 JPEG 2656 x 2000 JPEG 3488 x 2624 JPEG 1744 x 1312 JPEG 6000 x 3376 JPEG 3936 x 2216 JPEG 3008 x 1688 JPEG 3008 x 1688 JPEG 1968 x 1112 JPEG 4000 x 4000 JPEG 2624 x 2624 JPEG 2000 x 2000 JPEG 1312 x 1312 |
| Video Capture | 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 |
XAVC S - 3840 x 2160 p - 30 fps XAVC S - 3840 x 2160 p - 24 fps XAVC S - 3840 x 2160 p - 25 fps XAVC S HD - 1920 x 1080 p - 120 fps XAVC S HD - 1920 x 1080 p - 60 fps XAVC S HD - 1920 x 1080 p - 30 fps XAVC S HD - 1920 x 1080 p - 24 fps XAVC S HD - 1920 x 1080 p - 100 fps XAVC S HD - 1920 x 1080 p - 50 fps XAVC S HD - 1920 x 1080 p - 25 fps |
| BATTERY AND CHARGING | Olympus OM-D E-M1 Mark III | Sony Alpha7C ILCE-7C |
|---|
| Battery Type | Olympus BLH-1 Lithium Ion | Sony NP-FZ100 |
|---|---|---|
| Details | Olympus BLH-1 Li-ion rechargeable battery - 1720 mAh (included) | Sony NP-FZ100 Li-ion rechargeable battery (included) |
| Battery Life | Photo shooting - 420 shots Video recording - 85 minutes |
Photo shooting - 680 shots (EVF on) Photo shooting - 740 shots (LCD Monitor on) Video recording - 140 minutes |
| CONNECTIONS | Olympus OM-D E-M1 Mark III | Sony Alpha7C ILCE-7C |
|---|
| Interface | HDMI, USB 3.0, IEEE 802.11a/b/g/n/ac, Bluetooth 4.2 | USB-C, Wireless LAN, NFC (Near Field Communication), Bluetooth 4.1 |
|---|---|---|
| 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 | DPOF support, Exif Print support, PRINT Image Matching |
| Flash Terminal | Hot shoe, PC terminal | Hot shoe |
| Connector Type | 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) |
USB 3.2 Gen 1 (USB Type-C) Microphone (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) |
| FEATURES | Olympus OM-D E-M1 Mark III | Sony Alpha7C ILCE-7C |
|---|
| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec, 5 sec |
|---|---|---|
| Continuous Shooting Speed | 10 frames per second, 15 frames per second, 60 frames per second, 18 frames per second | 8 frames per second, 3 frames per second, 10 frames per second, 6 frames per second |
| HDR Mode | - | Auto HDR mode |
| Additional Features | 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 | Built-in speaker, histogram display, colour control, saturation control, interval shooting mode, Dynamic Range Optimizer, USB charging, built-in help guide, Chromatic Aberration Compensation (CAC), x.v.Colour technology, Intelligent AUTO (iAUTO), fast motion recording, noise reduction over long exposures, high ISO speed noise reduction, PlayMemories Camera Apps support, silent shooting, BRAVIA Sync function, PhotoTV HD, GPS via mobile, S-Log2 gamma setting, slow motion recording, Clear Image Zoom 2.0x, peripheral shading correction, image distortion correction, anti-flicker, Hybrid Log-Gamma (HLG) recording, S-Log3 gamma setting |
| OTHERS | Olympus OM-D E-M1 Mark III | Sony Alpha7C ILCE-7C |
|---|
| Included Accessories | Battery charger, body cap, shoulder strap, USB cable, cable clip | Body cap |
|---|---|---|
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | -10 °C | 0 °C |
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