| key specs |
| Camera Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 20.4 MP | 10.1 MP |
| Sensor Type | MOS | CMOS |
| Display Size | 3 inch | 3 inch |
| Battery Type | Lithium ion | AA Alkaline Battery |
| Touchscreen | Yes | - |
| Display Type | - | TFT |
| general |
| Brand | Olympus | Canon |
| Model | OMD EM1 Mark 2 20.4MP DSLR Camera | EOS 40D 10.10MP DSLR Camera |
| Model Name | OMD EM1 Mark 2 | EOS 40D |
| Model Number | EM1 Mark 2 | 40D |
| Series | OMD | EOS |
| Color | Black | Black |
| Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 20.4 MP | 10.1 MP |
| Dimensions(WxHxD) | 134.1 x 90.9 x 68.9 mm | 145.5 x 107.8 x 73.5 mm |
| Weight | 574 GM | 740 GM |
| Temperature | 0 to 40 | 0 to 40 |
| Maximum Burst | - | Yes |
| sensor features |
| Sensor Type | MOS | CMOS |
| Sensor Size | 17.4 mm x 13.0 mm | 22.2 x 14.8 mm |
| Sensor Technology | 4/3 Live MOS Sensor | - |
| Maximum ISO | - | 6400 ISO |
| lens features |
| Lens Mount | Micro Four Thirds Mount | Canon EF mount |
| Dust Reduction | Yes | - |
| Lens Construction | - | 11 elements in 9 groups |
| Compatible Lens | - | Canon EF, EF-S, TS-E, and MP-E lenses |
| Color Filter | - | Primary RGB Color Filter |
| viewfinder features |
| View Finder | Yes | Yes |
| View Finder Type | Eye-level electronic viewfinder | Eye-level SLR with solid glass pentaprism |
| Viewfinder Coverage | 100% | 95% |
| Viewfinder Magnification | Approx. 1.30x - 1.48x | 0.95x -1 dpt with 50mm lens at infinity |
| Viewpoint Dioptric Adjustment | -4 ~ +2m-1 | -3.0 to +1.0 diopter |
| Viewfinder Eye Point | 21 mm | 22mm |
| Other Viewfinder Features | - | AF AF points, focus confirmation light, Exposure shutter speed, aperture, ISO speed, AE lock, exposure level, spot metering circle, exposure warning, Flash flash ready, flash exposure compensation, high-speed sync, FE lock, red-eye reduction light, Image monochrome shooting, maximum burst, white balance correction, CF card information |
| 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 | Manual focus Autofocus Live View image interrupted for AF |
| Focus Points | 121-point cross-type phase detection AF and 121-point contrast AF | 9 cross-type AF points, including center AF point fully functional with f/5.6 or faster lenses |
| 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 | Evaluative metering linked to all AF pointsPartial metering approx. 9% of viewfinderSpot metering approx. 3.8% of viewfinderCenter-weighted average metering |
| White Balancing | Auto WB, 7 Preset WBs, 4 Capture WBs, Custom WBKelvin setting | Auto, Daylight, Shade, Cloudy, Tungsten, White Fluorescent Light, Flash, Custom WB setting, user-set Color Temperature 2,500~10,000K |
| Focus Range | - | EV -0.5 ~18 ISO 100 at 73A DegreeF/23A DegreeC |
| 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 | - |
| AE Lock/Exposure Lock | Yes | Yes |
| Spot Meter | Yes | Yes |
| Manual Exposure | Yes | Yes |
| Exposure Compensation | - | +/-3 stops in 1/3- or 1/2-half increments |
| shutter features |
| Shutter Type | Focal-plane shutter mechanical shutter | Vertical-travel, mechanical, focal-plane shutter with all speeds electronically controlled |
| Shutter Speed | 1/8000 - 60 sec., with selectable EV adjustment steps 1/3, 1/2, 1 | 1/8000 to 30 sec. 1/3-stop increments, X-sync at 1/250 sec. |
| Self-timer | Yes | Yes |
| Release Modes | - | Soft-touch electromagnetic release |
| Continuous Shots | - | High speed Max 6.5 shots/sec. Low speed Max 3 shots/sec. |
| flash features |
| Built-in Flash | Yes | 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 | Auto pop-up, retractable, built-in flash in the pentaprism |
| Flash Compensation | - | 2 stops in 1/3- and 1/2-stop increments |
| image features |
| Image Format | RAW 12-bit lossless compression, JPEG, RAW+JPEG | JPEG, RAW Canon CR2 |
| Aspect Ratio | 40300 AM | - |
| Gross Pixel | 21.8 MP | 10.50 MP |
| Image Stabilizer | Yes | - |
| Image Sizing | 5184 x 3888 | JPEG/Large Approx. 3.5MB 3,888 x 2,592JPEG/Medium Approx. 2.1MB 2,816 x 1,880JPEG/Small Approx. 1.2MB 1,936 x 1,288RAW Approx. 12.4MB 3,888 x 2,592sRAW Approx. 7.1MB 1,936 x 1,288 |
| Still Image Size | 1024 x 768 | 3,888 x 2,592 |
| HDR Support | HDR1, HDR2 painting-like | - |
| display features |
| Display Size | 3 inch | 3 inch |
| Display Resolution | Approx. 1037k dots | Approx. 230,000 pixels |
| Touch Screen | Yes | - |
| LCD Display | Vari-Angle | TFT Color LCD |
| Display Type | - | TFT |
| LCD Display Image Resolution | - | approx. 230000 dots |
| connectivity features |
| HDMI | Yes | - |
| USB | Yes | - |
| storage and power features |
| Upgradable Memory | Yes | - |
| Card Type | SD, SDHC, SDXC, Eye-Fi Card compatible | - |
| Batteries Included | Yes | - |
| Battery Type | Lithium ion | AA Alkaline Battery |
| Power Requirement | - | 7.4 V DC |
| Battery Life | - | Number of shots approx. *The above figures apply with a fully-charged Battery Pack BP-511A *The figures above are based on CIPA Camera & Imaging Products Association testing standards |
| audio and video features |
| Microphone | stereo | - |
| Speaker | Monaural | - |
| Video Format | - | DCF 2.0 Exif 2.21 JPEG, RAW and RAW+JPEG simultaneous recording possible. Multiple options for recording images on a memory card. |
| modes and functions features |
| Drive Modes | [Sequential shooting H] approx. 15 fps with selectable 10-15 fps | Single, High-speed continuous, Low-speed continuous, and Self-timer 10 sec. or 2 sec. delay |
| Silent Shooting | - | Provided Mode 1 and 2 |
| Shooting Modes | - | 1 Live View shooting 2 Remote Live View shooting with a personal computer installed with EOS Utility |