In depth comparison and review of Olympus OM-D E-M5 Mark III and Canon EOS 850D. 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-M5 Mark III | Canon EOS 850D |
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| Product Type | Digital camera - 4K - mirrorless system | Digital camera - 4K - SLR with Live View mode, movie recording |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 8.52 cm | 10.26 cm |
| Width | 12.53 cm | 13.1 cm |
| Depth | 4.97 cm | 7.62 cm |
| Weight | 366 g | 471 g |
| Weight Details | Camera body only: 366 g Camera with battery and memory card: 414 g |
Camera body only: 471 g Camera with battery and memory card: 515 g |
| Body Material | - | Aluminium alloy, fibreglass-reinforced polycarbonate resin |
| Enclosure Colour | Black | Silver | Black |
| Protection | Splashproof, freezeproof, dust-resistant | - |
| SENSOR | Olympus OM-D E-M5 Mark III | Canon EOS 850D |
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| Sensor Resolution | 20.4 Megapixel | 24.1 Megapixel |
|---|---|---|
| Optical Sensor Type | Live MOS | CMOS |
| Total Pixels | 21,800,000 pixels | 25,800,000 pixels |
| Effective Sensor Resolution | 20,400,000 pixels | 24,100,000 pixels |
| Optical Sensor Size | Four Thirds (4/3") | APS-C (22.3 x 14.9 mm) |
| Frame Rate (Max Resolution) | 24 fps | 30 fps |
| Sensor Dust Reduction | Yes | Yes |
| Sensor Features | Supersonic Wave Filter (SWF) | EOS Integrated Cleaning System, Self Cleaning Sensor Unit |
| Image Stabiliser | Optical (5-axis image sensor shift mechanism) | Electronic (5-axis) |
| Built-in Optical Image Stabiliser | Yes | - |
| Sensors | Digital level metre | Digital level metre |
| PROCESSOR | Olympus OM-D E-M5 Mark III | Canon EOS 850D |
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| Image Processor | TruePic VIII | DIGIC 8 |
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| LENS | Olympus OM-D E-M5 Mark III | Canon EOS 850D |
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| Lens Mounting Type | Micro Four Thirds | Canon EF/EF-S |
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| FOCUSING | Olympus OM-D E-M5 Mark III | Canon EOS 850D |
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| Auto Focus | TTL contrast and phase detection | Dual Pixel CMOS AF / TTL phase detection / TTL contrast detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 121 | 45 |
| Auto Focus Features | Focus Peaking function, Manual Focus Check Live View | Focus Peaking function, Manual Focus Assist |
| AE/AF Control | Subject-tracking AF, Eye detection AF | Eye detection AF, Zone AF, AI Focus AF, AI Servo AF, Large Zone AF |
| Face Detection | Eye Detect AF | Yes |
| VIEWFINDER | Olympus OM-D E-M5 Mark III | Canon EOS 850D |
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| Viewfinder Type | Electronic - OLED | Optical - fixed eye-level pentamirror |
|---|---|---|
| Viewfinder Colour Support | Colour | - |
| Viewfinder Resolution | 2,360,000 pixels | - |
| Optical Viewfinder Field Coverage | 100% | 95% |
| Optical Viewfinder Magnification | 1.37x | 0.82x |
| Optical Viewfinder Dioptric Correction Range | -4 to +2 | -3 to +1 |
| Viewfinder Information | - | Grid, electronic level, flicker detection, aspect ratio line, spot metering circle |
| Field of View Crop Factor | 2 | 1.6 |
| EXPOSURE & WHITE BALANCE | Olympus OM-D E-M5 Mark III | Canon EOS 850D |
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| ISO (Max) | 25600 | 25600 |
|---|---|---|
| Native ISO | 200-25600 | 100-25600 |
| Extended ISO (Max) | - | 51200 |
| Extended ISO (Min) | 64 | - |
| Light Sensitivity | ISO 100, ISO 64, ISO auto, ISO 200-25600 | ISO 51200, ISO 100-25600, ISO auto (100-25600) |
| Exposure Metering | Multi-segment, centre-weighted, spot | Evaluative, partial (6.5%), centre-weighted, spot (2%) |
| Exposure Metering Zones | 324 | 216 |
| Exposure Modes | Programme, bulb, automatic, manual, aperture-priority, shutter-priority | Programme, bulb, automatic, manual, aperture-priority, shutter-priority |
| Bracketing Modes | Art Filter bracketing, ISO sensitivity bracketing, Flash Exposure Bracketing, white balance bracketing | Flash Exposure Bracketing, white balance bracketing |
| Shooting Programs | - | Landscape, portrait mode, close-up, night portrait, food, sports mode, candle, kids, backlight correction HDR, smooth skin, handheld night scene, group photo |
| Special Effects | Soft focus, Water Colour, Diorama, Cross Process, partial colour, Grainy Film, Light Tone, Pop Art, Pale & Light Colour, pin hole, Gentle Sepia, Dramatic Tone, Bleach Bypass, Key Line, Vintage, Nostalgia, Neo Nostalgia | Neutral, fisheye, soft focus, Faithful, monochrome, landscape, portrait, miniature, Toy camera, HDR Art, Grainy B&W, Water painting, 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, 2000K - 10000K, fluorescent light (white) |
| Shutter Type | Mechanical, 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 | - | 3 steps in 1/2 or 1/3 EV steps |
| White Balance Bracketing | Yes | - |
| X-sync Speed | - | 1/200sec |
| Exposure Range | EV -2-20 (ISO 100) | EV 1-20 (ISO 100) |
| DISPLAY | Olympus OM-D E-M5 Mark III | Canon EOS 850D |
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| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | Yes | Yes |
| Display Format | 1,040,000 pixels | 1,040,000 pixels |
| Display Form Factor | Folding | Rotating |
| Display Features | Display brightness control, display colour control, Touch AF | Display brightness control |
| FLASH | Olympus OM-D E-M5 Mark III | Canon EOS 850D |
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| Camera Flash | Detachable flash | Pop-up flash |
|---|---|---|
| Guide Number (m / ISO 100) | 12.9 | 12 |
| Flash Modes | Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction | Fill-in mode, auto mode |
| Red-Eye Reduction | Yes | Yes |
| Features | AF illuminator, flash +/- compensation, wireless off-camera control, flash exposure bracketing | AF illuminator, wireless off-camera control |
| External Flash Name | Olympus FL-LM3 | - |
| VIDEOGRAPHY / CAMCORDER | Olympus OM-D E-M5 Mark III | Canon EOS 850D |
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| Digital Video Format | H.264, MOV | H.264 |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG, MPO | JPEG, RAW + JPEG, C-RAW |
| Max Video Resolution | 4096 x 2160 | 3840 x 2160 |
| Audio Signal Format | Linear PCM | AAC |
| Microphone Operation Mode | Stereo | - |
| Microphone Features | Wind noise reduction, sensitivity control | - |
| MEMORY | Olympus OM-D E-M5 Mark III | Canon EOS 850D |
|---|
| Memory Card Slot | 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 | SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card |
| Memory Card Included | No | No |
| Image Storage | RAW 5184 x 3888 JPEG 5184 x 3888 JPEG 1024 x 768 |
RAW 6000 x 4000 JPEG 6000 x 4000 JPEG 3984 x 2656 JPEG 2976 x 1984 JPEG 2400 x 1600 JPEG 5328 x 4000 JPEG 3552 x 2664 JPEG 2656 x 1992 JPEG 2112 x 1600 JPEG 6000 x 3368 JPEG 3984 x 2240 JPEG 2976 x 1680 JPEG 2400 x 1344 JPEG 4000 x 4000 JPEG 2656 x 2656 JPEG 1984 x 1984 JPEG 1600 x 1600 |
| Video Capture | MOV - 1920 x 1080 p - 30 fps MOV - 1920 x 1080 p - 25 fps MOV - 1920 x 1080 p - 24 fps MOV - 1920 x 1080 p - 60 fps MOV - 1920 x 1080 p - 50 fps MOV - 1280 x 720 p - 60 fps MOV - 1280 x 720 p - 50 fps MOV - 1280 x 720 p - 30 fps MOV - 1280 x 720 p - 25 fps MOV - 1280 x 720 p - 24 fps MOV - 4096 x 2160 p - 30 fps MOV - 3840 x 2160 p - 30 fps MOV - 3840 x 2160 p - 25 fps MOV - 3840 x 2160 p - 24 fps |
H.264 - 3840 x 2160 p - 29.97 fps H.264 - 3840 x 2160 p - 25 fps H.264 - 3840 x 2160 p - 24 fps H.264 - 1920 x 1080 p - 59.94 fps H.264 - 1920 x 1080 p - 50 fps H.264 - 1920 x 1080 p - 29.97 fps H.264 - 1920 x 1080 p - 23.98 fps H.264 - 1280 x 720 p - 59.94 fps H.264 - 1280 x 720 p - 50 fps |
| BATTERY AND CHARGING | Olympus OM-D E-M5 Mark III | Canon EOS 850D |
|---|
| Battery Type | Olympus BLS-50 Lithium Ion | Canon LP-E17 Lithium Ion |
|---|---|---|
| Details | Olympus BLS-50 Li-ion rechargeable battery (included) | Canon LP-E17 Li-ion rechargeable battery (included) |
| Battery Life | Photo shooting - 310 shots | Photo shooting - 800 shots (at 23 °C (LCD Monitor off)) Photo shooting - 730 shots (at 0 °C (LCD Monitor off)) Photo shooting - 310 shots (at 23 °C (Live View mode)) Photo shooting - 290 shots (at 0 °C (Live View mode)) |
| CONNECTIONS | Olympus OM-D E-M5 Mark III | Canon EOS 850D |
|---|
| Interface | HDMI, USB 2.0, IEEE 802.11a/b/g/n, Bluetooth 4.2 | HDMI, USB 2.0, IEEE 802.11b/g/n, Bluetooth 4.1 |
|---|---|---|
| Connectivity Features | Remote control via mobile devices, remote live view | Remote control via mobile devices, Wireless Image Transfer |
| Print Standard | Exif Print support | Direct print, DPOF support, Exif Print support, PictBridge support |
| Tripod Mount Connection Point | - | 1/4" socket |
| Flash Terminal | Hot shoe | Hot shoe |
| Connector Type | USB 2.0 (5 pin Micro-USB Type B) HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone stereo 3.5 mm) Remote control (sub-mini phone 2.5 mm) |
USB / AV output Microphone (mini-phone stereo 3.5 mm) HDMI output (19 pin mini HDMI Type C) |
| FEATURES | Olympus OM-D E-M5 Mark III | Canon EOS 850D |
|---|
| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec |
|---|---|---|
| Continuous Shooting Speed | 10 frames per second, 30 frames per second, 6 frames per second | 7.5 frames per second, 7 frames per second |
| Additional Features | Auto power save, AE lock, AF lock, interval shooting mode, USB charging, high-speed recording, Touch Shutter technology, Focus Stacking, 50-megapixel High Resolution mode | RGB primary colour filter, depth-of-field preview button, histogram display, AE lock, AF lock, FE lock, cropping an image, resizing an image, highlight point display, Dust Delete Data system, Auto Lighting Optimizer, peripheral illumination correction, Multi-Frame Noise Reduction, HDR image enhancement technology, Time-Lapse recording, noise reduction over long exposures, high ISO speed noise reduction, GPS via mobile, distortion correction function, diffraction correction, chromatic aberration correction |
| OTHERS | Olympus OM-D E-M5 Mark III | Canon EOS 850D |
|---|
| Included Accessories | Battery charger, body cap, shoulder strap, USB cable | Battery charger, body cap, neck strap |
|---|---|---|
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | -10 °C | 0 °C |
| Service & Support | - | Limited warranty - 2 years |
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