| key specs |
| Camera Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 16.1 MP | 12.3 MP |
| Sensor Type | MOS | CMOS |
| Display Type | LCD | - |
| Display Size | 3 inch | 3 inch |
| Battery Type | Lithium ion | Lithium ion |
| general |
| Brand | Olympus | Nikon |
| Model | OMD EM10 Mark 3 16.1MP DSLR Camera | D90 12.3MP DSLR Camera |
| Model Name | OMD EM10 Mark 3 | D90 |
| Model Number | EM10 Mark 3 | D90 |
| Series | OMD | - |
| Color | Silver | Black |
| Minimum Illumination | Available | - |
| Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 16.1 MP | 12.3 MP |
| Dimensions(WxHxD) | 121.5 x 83.6 x 49.5 mm | 103 x 132 x 77 mm |
| Weight | 410 GM | 620 GM |
| Face Detection | Yes | Yes |
| Temperature | 0 to 40 | 0 to 40 |
| Accessory Shoe | Hot Shoe | - |
| SLR Variant | - | Body Only |
| Tripod Socket | - | Yes |
| Ports | - | Type C, Mini HDMI |
| sensor features |
| Sensor Type | MOS | CMOS |
| Sensor Size | 4/3 inch | 23.2 x 15.4 mm |
| Maximum FPS | 8.6 | - |
| ISO Rating | - | ISO 100 - 6400 |
| lens features |
| Manual Focus | Yes | Yes |
| Color Filter | Primary color filter | - |
| Dust Reduction | Yes | Yes |
| Lens Mount | - | Nikon F mount |
| viewfinder features |
| View Finder | Yes | Yes |
| View Finder Type | Eye-level electronic viewfinder, approx. 2.36M dots | Fixed Eye-level Pentaprism |
| 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 | - |
| Focus Points | 121 Focus Points | - |
| White Balancing | Auto WB, 6 Preset WBs, 4 Capture WBs, Custom WBKelvin setting | Auto TTL white-balance with 420-pixel RGB sensor, 12 manual modes with fine-tuning color temperature setting preset white balance white balance bracketing |
| Auto Focus | - | Yes |
| 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 | Continous low shooting mode 1-4fps,Continous high shooting mode 4.5fps |
| 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, Fill-in flash, Red-eye reduction, Red-eye reduction with Slow sync, Slow sync, Rear-curtain sync, Off |
| Flash Compensation | Up to 3 EV in 0.3EV steps | - |
| image features |
| Image Format | RAW 12-bit lossless compression, JPEG, RAW + JPEG | NEF 12 bit compressed RAW,JPEG Baseline-compliant |
| Aspect Ratio | 40300 AM | - |
| Gross Pixel | 17.20 MP | - |
| Image Stabilizer | Yes | - |
| Image Sizing | 4608 x 3456 | - |
| HDR Support | Auto Composite | - |
| Picture Angle | - | 1.5x lens focal length |
| display features |
| Display Type | LCD | - |
| Display Size | 3 inch | 3 inch |
| connectivity features |
| HDMI | Yes | - |
| USB | Yes | - |
| Wifi | Yes | No |
| Wireless Connectivity | Built-in IEEE 802.11b/g/n | - |
| storage and power features |
| Card Type | SD SDHC, SDXC, UHS-I, UHS-II, Eye-Fi Card*1 compatible *1 Not compatible with Endless Memory | - |
| Battery Type | Lithium ion | Lithium ion |
| audio and video features |
| Microphone | Stereo | - |
| Speaker | Mono | - |
| Video Format | MOVMPEG-4AVC/H.264 | AVI Motion JPEG compression format with monaural sound |
| Frame Rates in Video Modes | 25fps | - |
| Video Resolution | - | 1280 x 720 |
| modes and functions features |
| Shooting Modes | - | Single frame shooting mode, Continous low shooting mode 1-4fps, Continous high shooting mode 4.5fps, Self-timer mode, Delay remote mode, Quick-response remote mode, D-Movie |