| key specs |
| Camera Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 16.1 MP | 18 MP |
| Sensor Type | MOS | CMOS |
| Display Type | LCD | TFT |
| Display Size | 3 inch | 3 inch |
| Battery Type | Lithium ion | Lithium ion |
| Touchscreen | - | Yes |
| general |
| Brand | Olympus | Canon |
| Model | OMD EM10 Mark 3 16.1MP DSLR Camera | EOS Rebel T4i 18MP DSLR Camera |
| Model Name | OMD EM10 Mark 3 | EOS Rebel T4i |
| Model Number | EM10 Mark 3 | T4i |
| Series | OMD | EOS Rebel |
| Color | Silver | Black |
| Minimum Illumination | Available | - |
| Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 16.1 MP | 18 MP |
| Dimensions(WxHxD) | 121.5 x 83.6 x 49.5 mm | 133.1 x 99.8 x 78.8 mm |
| Weight | 410 GM | 575 GM |
| Face Detection | Yes | - |
| Temperature | 0 to 40 | 0 to 40 |
| Accessory Shoe | Hot Shoe | - |
| Tripod Socket | - | Yes |
| Lens Attachment | - | Body Only |
| sensor features |
| Sensor Type | MOS | CMOS |
| Sensor Size | 4/3 inch | 23.5 x 15.6 mm |
| Maximum FPS | 8.6 | 5 |
| ISO Rating | - | ISO 100 - 6400 |
| Maximum ISO | - | 12800 ISO |
| Sensor Technology | - | CMOS |
| lens features |
| Manual Focus | Yes | - |
| Color Filter | Primary color filter | Primary RGB Color Filter |
| Dust Reduction | Yes | - |
| Focal Length | - | 18 - 55 mm |
| viewfinder features |
| View Finder | Yes | Yes |
| View Finder Type | Eye-level electronic viewfinder, approx. 2.36M dots | Eye-level Pentamirror |
| Viewfinder Coverage | 100% | - |
| Viewfinder Magnification | Approx.1.23x | - |
| Viewpoint Dioptric Adjustment | -4 ~ +2m-1 | - |
| Viewfinder Eye Point | 19.2 mm | - |
| focus features |
| Focus Mode | Single AF S-AF / Continuous AF C-AF*1 / Manual Focus MF / S-AF + MF / AF tracking C-AF + TR*1 | Auto, Manual |
| Focus Points | 121 Focus Points | - |
| White Balancing | Auto WB, 6 Preset WBs, 4 Capture WBs, Custom WBKelvin setting | Auto, Preset Daylight, Shade, Cloudy, Tungsten Light, White Fluorescent Light, Flash, Custom White Balance Correction and White Balance Bracketing |
| Auto Focus | - | Yes |
| Metering Modes | - | 63 Zone TTL Full-aperture Metering, Evaluative Metering, Partial Metering, Spot Metering, Center Weighted Average Metering |
| exposure features |
| Exposure Mode | Auto Live Guide can be used , P Program AE program shift can be performed, A Aperture Priority AE, S Shutter Priority AE, M Manual Live Bulb, Live Time and Live Composite are available, Scene Select AE, Advanced Photo AE, Art Filter | - |
| AE Lock/Exposure Lock | Yes | - |
| shutter features |
| Shutter Type | Computerized focal-plane, high-speed mechanical shutter Silent electronic shutter | - |
| Shutter Speed | Mechanical Shutter 1/4000 - 60 sec. 1/3 EV steps selectable Live Bulb/Live Time Max. 30 min. selectable in menu settings, with 8-min. default setting Live composite Max. 3 hours Electronic first curtain shutter Anti-shock mode 1/320 - 60 sec Electronic shutter Silent mode 1/16000 - 30 sec | 1/4000 sec |
| Self-timer | Yes | Yes |
| Continuous Shots | [Sequential shooting H mode]approx 8.6 fps IS ON/OFF *Focus and exposure are fixed at the values for the first shot. [Sequential shooting L mode]approx 4.8 fps IS ON/OFF | - |
| flash features |
| Built-in Flash | Yes | Yes |
| External Flash | Yes | Yes |
| Flash Modes | Flash Auto, Redeye, Fill-in, Flash Off, Red-eye Slow sync.1st curtain, Slow sync.1st curtain, Slow sync.2nd curtain, Manual 1/1 FULL 1/64 | Auto, Manual Flash, Integrated Speedlite Transmitter |
| Flash Compensation | Up to 3 EV in 0.3EV steps | - |
| image features |
| Image Format | RAW 12-bit lossless compression, JPEG, RAW + JPEG | JPEG, RAW, RAW JPEG, DCF, DPOF 1.1 |
| Aspect Ratio | 40300 AM | 169, 32, 43 |
| Gross Pixel | 17.20 MP | - |
| Image Stabilizer | Yes | - |
| Image Sizing | 4608 x 3456 | 5184 x 3456 L |
| HDR Support | Auto Composite | - |
| Still Image Size | - | 3456 x 2304 M, 2592 x 1728 S 1, 1920 x 1280 S 2, 720 x 480 S 3, 5184 x 3456 RAW |
| display features |
| Display Type | LCD | TFT |
| Display Size | 3 inch | 3 inch |
| Display Resolution | - | 1040000 dots |
| Touch Screen | - | Yes |
| LCD Display | - | TFT LCD |
| LCD Display Image Resolution | - | 1040000 dots |
| LCD Display Video Resolution | - | 1920 x 1080 |
| connectivity features |
| HDMI | Yes | Yes |
| USB | Yes | Yes |
| Wifi | Yes | No |
| Wireless Connectivity | Built-in IEEE 802.11b/g/n | - |
| GPS | - | Yes |
| storage and power features |
| Card Type | SD SDHC, SDXC, UHS-I, UHS-II, Eye-Fi Card*1 compatible *1 Not compatible with Endless Memory | SD / SDHC / SDXC / Compatible with UHS-I |
| Battery Type | Lithium ion | Lithium ion |
| Upgradable Memory | - | Yes |
| Power Supply | - | AC Adapter Kit ACK-E8 |
| Batteries Included | - | Yes |
| audio and video features |
| Microphone | Stereo | Stereo |
| Speaker | Mono | - |
| Video Format | MOVMPEG-4AVC/H.264 | MOV, MPEG-4 AVC / H.264 |
| Frame Rates in Video Modes | 25fps | - |
| Audio Features | - | Linear PCM |
| Audio Video Interface | - | Audio / Video Output NTSC, PAL |
| modes and functions features |
| HD Support | - | Yes |
| Shooting Modes | - | Scene Intelligent Auto, No Flash, Creative Auto, HDR Backlight Control, Program AE, Shutter-priority AE, Aperture-priority AE, Manual |