In depth comparison and review of Canon EOS 70D and Olympus OM-D E-M1 Mark III. 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 | Canon EOS 70D | Olympus OM-D E-M1 Mark III |
|---|
| Product Type | Digital camera - 1080p - SLR with Live View mode, movie recording | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 10.43 cm | 9.09 cm |
| Width | 13.9 cm | 13.41 cm |
| Depth | 7.85 cm | 6.89 cm |
| Weight | 675 g | 504 g |
| Weight Details | - | Camera only: 504 g Camera with battery and memory card: 580 g |
| Body Material | Aluminium, fibreglass-reinforced polycarbonate resin | Magnesium alloy |
| Enclosure Colour | - | Black |
| Protection | - | Splashproof, freezeproof, dust-resistant |
| SENSOR | Canon EOS 70D | Olympus OM-D E-M1 Mark III |
|---|
| Sensor Resolution | 20.2 Megapixel | 20.4 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | Live MOS |
| Total Pixels | 20,900,000 pixels | 21,800,000 pixels |
| Effective Sensor Resolution | 20,200,000 pixels | 20,400,000 pixels |
| Optical Sensor Size | APS-C (22.5 x 15.0 mm) | Four Thirds (4/3") |
| Frame Rate (Max Resolution) | - | 24 fps |
| Sensor Dust Reduction | Yes | Yes |
| Sensor Features | EOS Integrated Cleaning System, Self Cleaning Sensor Unit | Supersonic Wave Filter (SWF) |
| Image Stabiliser | - | Optical (5-axis image sensor shift mechanism) |
| Built-in Optical Image Stabiliser | - | Yes |
| Sensors | Digital level metre | Digital level metre |
| PROCESSOR | Canon EOS 70D | Olympus OM-D E-M1 Mark III |
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| Image Processor | DIGIC 5+ | TruePic IX |
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| LENS | Canon EOS 70D | Olympus OM-D E-M1 Mark III |
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| Lens Mounting Type | Canon EF/EF-S | Micro Four Thirds |
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| FOCUSING | Canon EOS 70D | Olympus OM-D E-M1 Mark III |
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| Auto Focus | TTL phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 19 | 121 |
| Auto Focus Features | - | Focus Peaking function |
| AE/AF Control | FlexiZone, Subject-tracking AF, Touch Area AF, Predictive AI Servo AF, Movie Servo AF | Face-priority AF, Eye detection AF |
| Face Detection | Automatic Face Tracking technology | Eye Detect AF, face-priority AF function |
| VIEWFINDER | Canon EOS 70D | Olympus OM-D E-M1 Mark III |
|---|
| Viewfinder Type | Optical - fixed eye-level pentaprism | Electronic - LCD |
|---|---|---|
| Viewfinder Colour Support | - | Colour |
| Viewfinder Resolution | - | 2,360,000 pixels |
| Optical Viewfinder Field Coverage | 98% | 100% |
| Optical Viewfinder Magnification | 0.95x | 1.48x |
| Optical Viewfinder Dioptric Correction Range | -3 to +1 | -4 to +2 |
| Viewfinder Information | Shutter speed, AE lock, AF-in-focus, flash charge completion, red-eye reduction, aperture, high-speed sync indicator, flash compensation on/off, highlight tone priority, ISO sensitivity, memory card status, FE lock, AF point, grid, electronic level, maximum burst | 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 | 1.6 | 2 |
| Features | - | Viewfinder brightness control, colour temperature control |
| EXPOSURE & WHITE BALANCE | Canon EOS 70D | Olympus OM-D E-M1 Mark III |
|---|
| ISO (Max) | 25600 | 25600 |
|---|---|---|
| Native ISO | - | 200-6400 |
| Extended ISO (Max) | - | 25600 |
| Extended ISO (Min) | - | 64 |
| Light Sensitivity | ISO auto (100-12800), ISO 25600, ISO 100-12800 | ISO auto (64-6400), ISO 64-25600 |
| Exposure Metering | Evaluative, centre-weighted, partial (7.7%), spot (3%) | Multi-segment, centre-weighted, spot, highlight spot, shadow spot |
| Exposure Metering Zones | 63 | 324 |
| Exposure Modes | Programme, 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 |
| Shooting Programs | Landscape, portrait mode, close-up, night portrait, multiple exposure, sports mode, handheld night shot, backlight correction HDR | - |
| Special Effects | Fisheye, soft focus, miniature, Toy camera, Art Bold, Grainy B&W, Water painting | 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 | Cloudy, tungsten light, Flash, daylight, shade, 2000K - 10000K, fluorescent light (white), twilight | Fluorescent, sunlight, tungsten light, Flash, shade, overcast, Underwater, 2000K - 14000K |
| Shutter Type | - | 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 | 7 steps in 1/2 or 1/3 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 1-20 (ISO 100) | EV -2-20 (ISO 100) |
| DISPLAY | Canon EOS 70D | Olympus OM-D E-M1 Mark III |
|---|
| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | Yes | Yes |
| Display Format | 1,040,000 pixels | 1,037,000 pixels |
| Display Form Factor | Rotating | Rotating |
| Display Features | Display brightness control | Display brightness control, display colour control |
| FLASH | Canon EOS 70D | Olympus OM-D E-M1 Mark III |
|---|
| Camera Flash | Pop-up flash | - |
|---|---|---|
| Guide Number (m / ISO 100) | 12 | - |
| Flash Modes | Fill-in mode, E-TTL, rear curtain sync, 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 | Canon EOS 70D | Olympus OM-D E-M1 Mark III |
|---|
| Digital Video Format | H.264, MOV | MJPEG, H.264 |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG, CR2 (RAW) | JPEG, RAW, RAW + JPEG |
| Max Video Resolution | 1920 x 1080 | 4096 x 2160 |
| Audio Signal Format | - | Linear PCM |
| Microphone Operation Mode | Stereo | Stereo |
| Microphone Features | Sensitivity control | Wind noise reduction |
| MEMORY | Canon EOS 70D | Olympus OM-D E-M1 Mark III |
|---|
| Memory Card Slot | 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 | 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 | JPEG 5472 x 3648 JPEG 4864 x 3648 JPEG 5472 x 3072 JPEG 3648 x 2432 JPEG 3248 x 2432 JPEG 3648 x 2048 JPEG 2736 x 1824 JPEG 2432 x 1824 JPEG 2736 x 1536 JPEG 1920 x 1280 JPEG 1696 x 1280 JPEG 1920 x 1080 JPEG 720 x 480 JPEG 640 x 480 JPEG 720 x 408 RAW 5472 x 3648 RAW 4864 x 3648 RAW 5472 x 3072 RAW 4104 x 2736 RAW 3648 x 2736 RAW 4104 x 2310 RAW 2736 x 1824 RAW 2432 x 1824 RAW 2736 x 1536 JPEG 3648 x 3648 JPEG 2432 x 2432 JPEG 1824 x 1824 JPEG 1280 x 1280 JPEG 480 x 480 RAW 3648 x 3648 RAW 2736 x 2736 RAW 1824 x 1824 |
5184 x 3888 |
| Video Capture | H.264 - 1920 x 1080 - 30 fps H.264 - 1920 x 1080 - 25 fps H.264 - 1920 x 1080 - 24 fps H.264 - 1280 x 720 - 60 fps H.264 - 1280 x 720 - 50 fps H.264 - 640 x 480 - 30 fps H.264 - 640 x 480 - 25 fps |
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 | Canon EOS 70D | Olympus OM-D E-M1 Mark III |
|---|
| Battery Type | Canon LP-E6 Lithium Ion | Olympus BLH-1 Lithium Ion |
|---|---|---|
| Details | Canon LP-E6 Li-ion rechargeable battery (included) | Olympus BLH-1 Li-ion rechargeable battery - 1720 mAh (included) |
| Battery Life | Photo shooting - 1300 shots (at 23 °C (LCD Monitor off)) Photo shooting - 1200 shots (at 0 °C (LCD Monitor off)) Photo shooting - 230 shots (at 23 °C (Live View mode)) Photo shooting - 210 shots (at 0 °C (Live View mode)) Photo shooting - 920 shots (at 23 °C (AE 50%, FE 50%)) Photo shooting - 850 shots (at 0 °C (AE 50%, FE 50%)) |
Photo shooting - 420 shots Video recording - 85 minutes |
| CONNECTIONS | Canon EOS 70D | Olympus OM-D E-M1 Mark III |
|---|
| Interface | Composite video/audio, HDMI, USB 2.0, Wireless LAN | HDMI, USB 3.0, IEEE 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| Connectivity Features | Remote control via mobile devices | Remote control via mobile devices, remote live view |
| Print Standard | Direct print, DPOF support, Exif Print support, PictBridge support | DPOF support, Exif Print support |
| Flash Terminal | Hot shoe | Hot shoe, PC terminal |
| Connector Type | Composite video/audio output USB 2.0 HDMI output (19 pin mini HDMI Type C) Microphone (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 | Canon EOS 70D | Olympus OM-D E-M1 Mark III |
|---|
| Self-Timer Delay | 10 sec, 2sec | 2sec, 12sec |
|---|---|---|
| Continuous Shooting Speed | 3 frames per second, 7 frames per second | 10 frames per second, 15 frames per second, 60 frames per second, 18 frames per second |
| Additional Features | RGB primary colour filter, depth-of-field preview button, digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, GPS ready, LCD live view mode, highlight point display, face detection, Auto Lighting Optimizer, in-camera RAW processing, peripheral illumination correction, Chromatic Aberration Compensation (CAC), Multi-Frame Noise Reduction, Eye-Fi Card Ready, Scene Intelligent Auto technology, Wi-Fi Protected Setup (WPS), noise reduction over long exposures, high ISO speed noise reduction, silent shooting, Dual Pixel CMOS AF technology | 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 | Canon EOS 70D | Olympus OM-D E-M1 Mark III |
|---|
| Included Accessories | Battery charger, body cap, neck strap, USB cable, eyecup | Battery charger, body cap, shoulder strap, USB cable, cable clip |
|---|---|---|
| Software | Drivers & Utilities, Canon PhotoStitch, Canon Digital Photo Professional, Canon Picture Style Editor, Canon ImageBrowser EX, Canon EOS Utility | - |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | 0 °C | -10 °C |
| Service & Support | Limited warranty - 1 year | - |
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