| key specs |
| Camera Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 20.4 MP | 36.3 MP |
| Sensor Type | MOS | CMOS |
| Display Size | 3 inch | 3.2 inch |
| Battery Type | Lithium ion | Lithium ion |
| Touchscreen | Yes | - |
| general |
| Brand | Olympus | Nikon |
| Model | OMD EM1 Mark 2 20.4MP DSLR Camera | D800 36.3MP DSLR Camera |
| Model Name | OMD EM1 Mark 2 | D800 |
| Model Number | EM1 Mark 2 | D800 |
| Series | OMD | - |
| Color | Black | Black |
| Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 20.4 MP | 36.3 MP |
| Dimensions(WxHxD) | 134.1 x 90.9 x 68.9 mm | 123 x 146 x 81.5 mm |
| Weight | 574 GM | 1000 GM |
| Temperature | 0 to 40 | 0 to 40 |
| SLR Variant | - | Body Only |
| Tripod Socket | - | Yes |
| Face Detection | - | Yes |
| Ports | - | Type C, Mini HDMI |
| sensor features |
| Sensor Type | MOS | CMOS |
| Sensor Size | 17.4 mm x 13.0 mm | 23.5 x 15.6 mm |
| Sensor Technology | 4/3 Live MOS Sensor | - |
| ISO Rating | - | ISO 100 - 6400 |
| lens features |
| Lens Mount | Micro Four Thirds Mount | Nikon F mount |
| Dust Reduction | Yes | Yes |
| Manual Focus | - | Yes |
| viewfinder features |
| View Finder | Yes | Yes |
| View Finder Type | Eye-level electronic viewfinder | Eye-level Pentaprism 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 | - |
| 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 | - |
| White Balancing | Auto WB, 7 Preset WBs, 4 Capture WBs, Custom WBKelvin setting | Auto, Incandescent, Fluorescent, Direct Sunlight, Flash, Cloudy, Shade, Preset Manual can be stored, Color Temperature 2500 K - 10000 K, All with Fine-tuning |
| Auto Focus | - | Yes |
| 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 | - |
| 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 | 1/8000 sec |
| Self-timer | Yes | Yes |
| Continuous Shots | - | Yes, 1-4 fps Continuous Low-speed Mode, 4 fps Continuous high-speed |
| flash features |
| Built-in Flash | Yes | Yes |
| External Flash | Yes | 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 | Front Curtain Sync, Slow Sync, Rear-curtain Sync, Red-eye Reduction, Red-eye Reduction with Slow Sync, Slow Rear-curtain Sync, Auto FP High-Speed Sync Supported |
| image features |
| Image Format | RAW 12-bit lossless compression, JPEG, RAW+JPEG | NEF RAW, JPEG, NEF RAW JPEG, DCF 2.0, DPOF, EXIF 2.3 |
| Aspect Ratio | 40300 AM | - |
| 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 | 3.2 inch |
| Display Resolution | Approx. 1037k dots | - |
| Touch Screen | Yes | - |
| LCD Display | Vari-Angle | - |
| connectivity features |
| HDMI | Yes | - |
| USB | Yes | - |
| Wifi | - | No |
| storage and power features |
| Upgradable Memory | Yes | - |
| Card Type | SD, SDHC, SDXC, Eye-Fi Card compatible | - |
| Batteries Included | Yes | - |
| Battery Type | Lithium ion | Lithium ion |
| audio and video features |
| Microphone | stereo | - |
| Speaker | Monaural | - |
| Video Resolution | - | 7,360 |
| Video Format | - | MOV, H.264 / MPEG-4 |
| modes and functions features |
| Drive Modes | [Sequential shooting H] approx. 15 fps with selectable 10-15 fps | - |