Detailed comparison and review of Olympus OM-D E-M1 Mark III and Canon EOS R7. 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 Mark III | Canon EOS R7 |
|---|
| Product Type | Digital camera - 4K - mirrorless system | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 9.09 cm | 9.04 cm |
| Width | 13.41 cm | 13.2 cm |
| Depth | 6.89 cm | 9.17 cm |
| Weight | 504 g | 530 g |
| Weight Details | Camera only: 504 g Camera with battery and memory card: 580 g |
Camera body only: 530 g Camera with battery and memory card: 612 g |
| Body Material | Magnesium alloy | Magnesium alloy, high-strength engineering plastic |
| Enclosure Colour | Black | - |
| Protection | Splashproof, freezeproof, dust-resistant | Dust-resistant, water-resistant |
| SENSOR | Olympus OM-D E-M1 Mark III | Canon EOS R7 |
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| Sensor Resolution | 20.4 Megapixel | 32.5 Megapixel |
|---|---|---|
| Optical Sensor Type | Live MOS | CMOS |
| Total Pixels | 21,800,000 pixels | 34,400,000 pixels |
| Effective Sensor Resolution | 20,400,000 pixels | 32,500,000 pixels |
| Optical Sensor Size | Four Thirds (4/3") | APS-C (22.3 x 14.8 mm) |
| Frame Rate (Max Resolution) | 24 fps | 60 fps |
| Sensor Dust Reduction | Yes | Yes |
| Sensor Features | Supersonic Wave Filter (SWF) | EOS Integrated Cleaning System |
| Image Stabiliser | Optical (5-axis image sensor shift mechanism) | Optical (image sensor shift mechanism) |
| Built-in Optical Image Stabiliser | Yes | Yes |
| Sensors | Digital level metre | - |
| PROCESSOR | Olympus OM-D E-M1 Mark III | Canon EOS R7 |
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| Image Processor | TruePic IX | DIGIC X |
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| LENS | Olympus OM-D E-M1 Mark III | Canon EOS R7 |
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| Lens Mounting Type | Micro Four Thirds | Canon RF |
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| FOCUSING | Olympus OM-D E-M1 Mark III | Canon EOS R7 |
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| Auto Focus | TTL contrast and phase detection | Dual Pixel CMOS AF II |
|---|---|---|
| Auto Focus Points (Zones) Qty | 121 | 651 |
| Auto Focus Features | Focus Peaking function | - |
| AE/AF Control | Face-priority AF, Eye detection AF | Face-priority AF, Subject-tracking AF, Eye detection AF, Head Detection AF, Animal detection AF, Body detection AF, Vehicle-tracking AF |
| Face Detection | Eye Detect AF, face-priority AF function | - |
| VIEWFINDER | Olympus OM-D E-M1 Mark III | Canon EOS R7 |
|---|
| Viewfinder Type | Electronic - LCD | Electronic - OLED |
|---|---|---|
| Viewfinder Colour Support | Colour | Colour |
| Viewfinder Diagonal Size | - | 0.39" |
| Viewfinder Resolution | 2,360,000 pixels | 2,360,000 pixels |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 1.48x | 1.15x |
| Optical Viewfinder Dioptric Correction Range | -4 to +2 | -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 | 1.6 |
| Features | Viewfinder brightness control, colour temperature control | - |
| EXPOSURE & WHITE BALANCE | Olympus OM-D E-M1 Mark III | Canon EOS R7 |
|---|
| ISO (Max) | 25600 | 25600 |
|---|---|---|
| Native ISO | 200-6400 | 100-12800 |
| Extended ISO (Max) | 25600 | 25600 |
| Extended ISO (Min) | 64 | - |
| Light Sensitivity | ISO auto (64-6400), ISO 64-25600 | ISO 100-12800, ISO auto (100-25600), ISO 16000-25600 |
| Exposure Metering | Multi-segment, centre-weighted, spot, highlight spot, shadow spot | Evaluative, centre-weighted, partial (5.8%), spot (2.9%) |
| Exposure Metering Zones | 324 | 384 |
| Exposure Modes | Bulb, automatic, manual, aperture-priority, shutter-priority | Programme, bulb, automatic, manual, aperture-priority, shutter-priority, E-TTL II program flash |
| Bracketing Modes | Art Filter bracketing, focus bracketing, ISO sensitivity bracketing, Flash Exposure Bracketing, white balance bracketing | Focus 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 | Neutral, Faithful, monochrome, landscape, portrait, Standard, Fine Detail |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Fluorescent, sunlight, tungsten light, Flash, shade, overcast, Underwater, 2000K - 14000K | Cloudy, tungsten light, Flash, daylight, shade, fluorescent light (white) |
| Shutter Type | Mechanical, electronic | Electronic, mechanical electronically-controlled |
| Max Shutter Speed | 1/32000 sec | 1/16000 sec |
| Min Shutter Speed | 60 sec | 30 sec |
| Exposure Compensation | ±5 EV range, in 1, 1/2 or 1/3 EV steps | ±3 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 steps in 1/2 or 1/3 EV steps |
| White Balance Bracketing | Yes | Yes |
| X-sync Speed | 1/250sec | 1/250sec, 1/320 sec |
| Exposure Range | EV -2-20 (ISO 100) | EV -2-20 (ISO 100) |
| DISPLAY | Olympus OM-D E-M1 Mark III | Canon EOS R7 |
|---|
| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | Yes | - |
| Display Format | 1,037,000 pixels | 1,620,000 pixels |
| Display Form Factor | Rotating | Rotating |
| Display Features | Display brightness control, display colour control | Display brightness control, display colour control |
| VIDEOGRAPHY / CAMCORDER | Olympus OM-D E-M1 Mark III | Canon EOS R7 |
|---|
| Digital Video Format | MJPEG, H.264 | MPEG-4, H.264, HEVC, H.265, MP4 |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG | JPEG, RAW, C-RAW, HEIF |
| Max Video Resolution | 4096 x 2160 | 3840 x 2160 |
| Audio Signal Format | Linear PCM | Linear PCM, AAC |
| Microphone Operation Mode | Stereo | Stereo |
| Microphone Features | Wind noise reduction | - |
| MEMORY | Olympus OM-D E-M1 Mark III | Canon EOS R7 |
|---|
| Memory Card Slot | Dual SD card | Dual 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-II Memory Card, SDXC UHS-II Memory Card |
| Memory Card Included | No | No |
| Image Storage | 5184 x 3888 | 6960 x 4640 4800 x 3200 3472 x 2320 2400 x 1600 6160 x 4640 4256 x 3200 3072 x 2320 2112 x 1600 6960 x 3904 4800 x 2688 3472 x 1952 2400 x 1344 4640 x 4640 3200 x 3200 2320 x 2320 1600 x 1600 |
| 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 |
3840 x 2160 p - 59.94 fps 3840 x 2160 p - 50 fps 3840 x 2160 p - 29.97 fps 3840 x 2160 p - 25 fps 3840 x 2160 p - 23.98 fps 1920 x 1080 p - 119.9 fps 1920 x 1080 p - 100 fps 1920 x 1080 p - 59.94 fps 1920 x 1080 p - 50 fps 1920 x 1080 p - 29.97 fps 1920 x 1080 p - 25 fps 1920 x 1080 p - 23.98 fps |
| BATTERY AND CHARGING | Olympus OM-D E-M1 Mark III | Canon EOS R7 |
|---|
| Battery Type | Olympus BLH-1 Lithium Ion | Canon LP-E6NH Lithium Ion |
|---|---|---|
| Details | Olympus BLH-1 Li-ion rechargeable battery - 1720 mAh (included) | Canon LP-E6NH Li-ion rechargeable battery (included) Canon LP-E6N Li-ion rechargeable battery (optional) Canon LP-E6 Li-ion rechargeable battery (optional) |
| Battery Life | Photo shooting - 420 shots Video recording - 85 minutes |
Photo shooting - 770 shots (LCD Monitor on) Photo shooting - 500 shots (EVF on) |
| CONNECTIONS | Olympus OM-D E-M1 Mark III | Canon EOS R7 |
|---|
| Interface | HDMI, USB 3.0, IEEE 802.11a/b/g/n/ac, Bluetooth 4.2 | HDMI, USB 3.2 Gen 2, IEEE 802.11b/g/n, Bluetooth 4.2 |
|---|---|---|
| Connectivity Features | Remote control via mobile devices, remote live view | Remote control via mobile devices, remote live view, Live streaming, wireless video upload to cloud server, wireless image upload to cloud server, wireless image printing |
| Print Standard | DPOF support, Exif Print support | DPOF support, Exif Print support, PictBridge support |
| Flash Terminal | Hot shoe, PC terminal | - |
| 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-C 3.2 Gen 2 (USB Type-C) HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone stereo 3.5 mm) Remote control Headphones (mini-phone stereo 3.5 mm) |
| FEATURES | Olympus OM-D E-M1 Mark III | Canon EOS R7 |
|---|
| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec |
|---|---|---|
| Continuous Shooting Speed | 10 frames per second, 15 frames per second, 60 frames per second, 18 frames per second | 15 frames per second |
| 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 | RGB primary colour filter, depth-of-field preview button, camera orientation detection, histogram display, cropping an image, resizing an image, highlight point display, Auto Lighting Optimizer, in-camera RAW processing, peripheral illumination correction, HDR image enhancement technology, Scene Intelligent Auto technology, noise reduction over long exposures, high ISO speed noise reduction, distortion correction function, Optical Low Pass Filter (OLFP), diffraction correction, Digital Lens Optimizer, chromatic aberration correction, anti-flicker, firmware upgradable, Canon Log 3 |
| OTHERS | Olympus OM-D E-M1 Mark III | Canon EOS R7 |
|---|
| Included Accessories | Battery charger, body cap, shoulder strap, USB cable, cable clip | Battery charger, neck strap, EF-EOS R lens adapter |
|---|---|---|
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | -10 °C | 0 °C |
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