| key specs |
| Camera Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 20.4 MP | 24.2 MP |
| Sensor Type | MOS | CMOS |
| Display Size | 3 inch | 3 inch |
| Battery Type | Lithium ion | Lithium ion |
| Touchscreen | Yes | Yes |
| Display Type | - | TFT |
| general |
| Brand | Olympus | Canon |
| Model | OMD EM1 Mark 2 20.4MP DSLR Camera | EOS Rebel T7i 24.2MP DSLR Camera |
| Model Name | OMD EM1 Mark 2 | EOS Rebel T7i |
| Model Number | EM1 Mark 2 | EOS 800D |
| Series | OMD | - |
| Color | Black | Black |
| Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 20.4 MP | 24.2 MP |
| Dimensions(WxHxD) | 134.1 x 90.9 x 68.9 mm | 131 x 99.9 x 76.2 mm |
| Weight | 574 GM | 485 GM |
| Temperature | 0 to 40 | 0 to 40 |
| SLR Variant | - | Body With Single Lens Ef S18-55 Is Stm 16 Gb Sd Card + Camera Bag |
| Tripod Socket | - | Yes |
| sensor features |
| Sensor Type | MOS | CMOS |
| Sensor Size | 17.4 mm x 13.0 mm | 22.3 x 14.9 mm |
| Sensor Technology | 4/3 Live MOS Sensor | - |
| ISO Rating | - | ISO 100 - 25600 |
| lens features |
| Lens Mount | Micro Four Thirds Mount | Canon EF Mount |
| Dust Reduction | Yes | Yes |
| Focal Length | - | 1.6x |
| Digital Zoom | - | 3x-10x |
| Compatible Lens | - | Canon EF lenses including EF-S lenses, Excluding EF-M Lenses |
| viewfinder features |
| View Finder | Yes | Yes |
| View Finder Type | Eye-level electronic viewfinder | Eye Level Pentamirror Single Lens Reflex Viewfinder |
| Viewfinder Coverage | 100% | - |
| Viewfinder Magnification | Approx. 1.30x - 1.48x | - |
| Viewpoint Dioptric Adjustment | -4 ~ +2m-1 | - |
| Viewfinder Eye Point | 21 mm | - |
| focus features |
| Focus Mode | Single AF S-AF / Continuous AF C-AF / Manual Focus MF / S-AF + MF / AF tracking C-AF + TR / Preset MF | Fixed, Precision Matte |
| Focus Points | 121-point cross-type phase detection AF and 121-point contrast AF | - |
| Metering Modes | Digital ESP metering 324-area multi pattern metering, centre-weighted average metering, spot metering[*], spot metering with highlight control, spot metering with shadow control | 63-zone TTL Open-aperture Metering using 7560-pixel RGB Plus IR Metering Sensor, Evaluative Metering linked to all AF points, Partial Metering approx. 6.0% of viewfinder at center, Spot Metering approx. 3.5% of Viewfinder at Center, Center-weighted Average Metering |
| White Balancing | Auto WB, 7 Preset WBs, 4 Capture WBs, Custom WBKelvin setting | - |
| Focus Range | - | Focusing Brightness Range EV -3 - 18 with the Center AF Point Supporting f/2.8, One-shot AF, at Room Temperature, ISO 100, EV 1 - 20 at Room Temperature, ISO 100 |
| exposure features |
| Exposure Mode | iAuto Live Guide can be used, P program AE programme shift can be performed, A aperture priority AE, S Shutter priority AE, M Manual Live Bulb, Live Time and Live Composite are available, Custom 1~3, Art Filter, Underwater wide / Underwater macro to be assigned to the Fn1 button | Automatic |
| AE Lock/Exposure Lock | Yes | - |
| Spot Meter | Yes | - |
| Manual Exposure | Yes | - |
| shutter features |
| Shutter Type | Focal-plane shutter mechanical shutter | - |
| Shutter Speed | 1/8000 - 60 sec., with selectable EV adjustment steps 1/3, 1/2, 1 | 1/4000 sec |
| Self-timer | Yes | Yes |
| flash features |
| Built-in Flash | Yes | - |
| External Flash | Yes | - |
| Flash Modes | 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 | - |
| image features |
| Image Format | RAW 12-bit lossless compression, JPEG, RAW+JPEG | JPEG, RAW |
| Aspect Ratio | 40300 AM | 32, 43, 169, 11 |
| Gross Pixel | 21.8 MP | - |
| Image Stabilizer | Yes | - |
| Image Sizing | 5184 x 3888 | - |
| Still Image Size | 1024 x 768 | - |
| HDR Support | HDR1, HDR2 painting-like | - |
| display features |
| Display Size | 3 inch | 3 inch |
| Display Resolution | Approx. 1037k dots | - |
| Touch Screen | Yes | Yes |
| LCD Display | Vari-Angle | - |
| Display Type | - | TFT |
| connectivity features |
| HDMI | Yes | - |
| USB | Yes | - |
| Wifi | - | Yes |
| storage and power features |
| Upgradable Memory | Yes | - |
| Card Type | SD, SDHC, SDXC, Eye-Fi Card compatible | - |
| Batteries Included | Yes | Yes |
| Battery Type | Lithium ion | Lithium ion |
| Power Requirement | - | Rated Voltage 7.2 V DC, Battery Capacity 1040 mAh |
| audio and video features |
| Microphone | stereo | - |
| Speaker | Monaural | - |
| Video Resolution | - | 6000 x 4000 |
| Video Quality | - | Full HD |
| modes and functions features |
| Drive Modes | [Sequential shooting H] approx. 15 fps with selectable 10-15 fps | - |
| HD Support | - | Yes |
| Shooting Modes | - | Basic Zone modes Scene Intelligent Auto, Flash Off, Creative Auto, Portrait, Landscape, Close-up, Sports, Special Scene Modes Group Photo, Kids, Food, Candlelight, Night Portrait, Handheld Night Scene, HDR Backlight Control, Creative filters Grainy B/W, Soft focus, Fish-eye effect, Water Painting Effect, Toy Camera Effect, Miniature Effect, HDR Art Standard, HDR Art Vivid, HDR Art Bold, HDR Art Embossed, Creative Zone Modes Program AE, Shutter-priority AE, Aperture-priority AE, Manual Exposure |