| key specs |
| Camera Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 16.1 MP | 10.2 MP |
| Sensor Type | MOS | CCD |
| Display Type | LCD | - |
| Display Size | 3 inch | 2.5 inch |
| Battery Type | Lithium ion | Lithium ion |
| general |
| Brand | Olympus | Nikon |
| Model | OMD EM10 Mark 3 16.1MP DSLR Camera | D40X 10.2MP DSLR Camera |
| Model Name | OMD EM10 Mark 3 | D40X |
| Model Number | EM10 Mark 3 | D40X |
| Series | OMD | - |
| Color | Silver | Black |
| Minimum Illumination | Available | - |
| Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 16.1 MP | 10.2 MP |
| Dimensions(WxHxD) | 121.5 x 83.6 x 49.5 mm | 50 x 30 x 20 cm |
| Weight | 410 GM | 482 GM |
| Face Detection | Yes | Yes |
| Temperature | 0 to 40 | 0 to 40 |
| Accessory Shoe | Hot Shoe | ISO 518 Hot-shoe with Sync and Data Contacts, Safety Lock |
| Tripod Socket | - | Yes |
| Ports | - | Type C Mini HDMI |
| sensor features |
| Sensor Type | MOS | CCD |
| Sensor Size | 4/3 inch | 22.3 x 14.9 mm |
| Maximum FPS | 8.6 | - |
| ISO Rating | - | ISO 100 - 25600 |
| lens features |
| Manual Focus | Yes | Yes |
| Color Filter | Primary color filter | - |
| Dust Reduction | Yes | Yes |
| Lens Mount | - | Nikon F Mount (With AF Coupling and AF Contacts) |
| Other Lens Features | - | Lens Aperture Instant Return, Electronically Controlled, Compatible Lenses Compatible with AF NIKKOR Lenses, Including Type G, E and D Lenses (Some Restrictions Apply to PC Lenses) and DX Lenses (Using DX 24 x 16 1.5x Image Area), AI-P NIKKOR Lenses and Non-CPU AI Lenses (Exposure Modes A and M Only), IX NIKKOR Lenses, Lenses for the F3AF and Non-AI Lenses can not be Used, The Electronic Rangefinder can be Used with Lenses that Have a Maximum Aperture of f/5.6 or Faster (The Electronic Rangefinder Supports the 11 Focus Points with Lenses that Have a Maximum Aperture of f/8 or Faster) |
| viewfinder features |
| View Finder | Yes | Yes |
| View Finder Type | Eye-level electronic viewfinder, approx. 2.36M dots | Eye-level Pentaprism Single-lens Reflex Viewfinder |
| Viewfinder Coverage | 100% | - |
| Viewfinder Magnification | Approx.1.23x | - |
| Viewpoint Dioptric Adjustment | -4 ~ +2m-1 | -3 to +1 m-1 |
| Viewfinder Eye Point | 19.2 mm | 18 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 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 | Automatic |
| AE Lock/Exposure Lock | Yes | - |
| Manual Exposure | - | 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 | 1/8000 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 | - |
| 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 | - |
| Flash Compensation | Up to 3 EV in 0.3EV steps | - |
| image features |
| Image Format | RAW 12-bit lossless compression, JPEG, RAW + JPEG | - |
| Aspect Ratio | 40300 AM | - |
| Gross Pixel | 17.20 MP | - |
| Image Stabilizer | Yes | - |
| Image Sizing | 4608 x 3456 | - |
| HDR Support | Auto Composite | - |
| Live View Shooting | - | Yes |
| display features |
| Display Type | LCD | - |
| Display Size | 3 inch | 2.5 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 | Yes |
| Speaker | Mono | - |
| Video Format | MOVMPEG-4AVC/H.264 | - |
| Frame Rates in Video Modes | 25fps | - |
| Video Resolution | - | 1920 x 1080 |
| modes and functions features |
| HD Support | - | Yes |