Detailed comparison and review of Olympus OM-D E-M10 Mark II and Pentax K-3 Mark III. With our comprehensive overview, you can simply compare design, sensors, proximity characteristics, memory capacities, but also other key features of both cameras and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the camera that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Olympus OM-D E-M10 Mark II | Pentax K-3 Mark III |
|---|
| Product Type | Digital camera - 1080p - mirrorless system | Digital camera - 4K - SLR with Live View mode, movie recording |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 8.31 cm | 10.35 cm |
| Width | 11.95 cm | 13.45 cm |
| Depth | 4.67 cm | 7.35 cm |
| Weight | 342 g | 735 g |
| Weight Details | - | Camera body only: 735 g Camera with battery and memory card: 820 g |
| Body Material | - | Magnesium alloy |
| Enclosure Colour | Silver | Black | Silver |
| Protection | - | Weatherproof, dust-resistant |
| Navigation | - | GPS receiver |
| SENSOR | Olympus OM-D E-M10 Mark II | Pentax K-3 Mark III |
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| Sensor Resolution | 16.1 Megapixel | 25.73 Megapixel |
|---|---|---|
| Optical Sensor Type | Live MOS | CMOS |
| Total Pixels | 17,200,000 pixels | 26,780,000 pixels |
| Effective Sensor Resolution | 16,100,000 pixels | 25,730,000 pixels |
| Optical Sensor Size | Four Thirds (4/3") | APS-C (23.3 x 15.5 mm) |
| Frame Rate (Max Resolution) | - | 30 fps |
| Sensor Dust Reduction | Yes | - |
| Sensor Features | Supersonic Wave Filter (SWF) | Dust Reduction (image sensor vibration), anti-aliasing simulator function |
| Image Stabiliser | Optical (5-axis image sensor shift mechanism) | Optical SR II (5-axis image sensor shift mechanism) |
| Built-in Optical Image Stabiliser | Yes | Yes |
| Sensors | Digital level metre | Digital level metre |
| PROCESSOR | Olympus OM-D E-M10 Mark II | Pentax K-3 Mark III |
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| Image Processor | TruePic VII | - |
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| LENS | Olympus OM-D E-M10 Mark II | Pentax K-3 Mark III |
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| Lens Mounting Type | Micro Four Thirds | Pentax K |
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| FOCUSING | Olympus OM-D E-M10 Mark II | Pentax K-3 Mark III |
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| Auto Focus | TTL contrast detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 81 | 101 |
| AE/AF Control | Subject-tracking AF, Eye detection AF | Auto-area AF, Zone AF, Expanded area AF |
| Face Detection | Eye Detect AF | Yes |
| VIEWFINDER | Olympus OM-D E-M10 Mark II | Pentax K-3 Mark III |
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| Viewfinder Type | Built-in - electronic | Optical - fixed eye-level pentaprism |
|---|---|---|
| Viewfinder Colour Support | Colour | - |
| Viewfinder Resolution | 2,360,000 pixels | - |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | - | 1.05x |
| Optical Viewfinder Dioptric Correction Range | -4 to +2 | -4 to +1 |
| Viewfinder Information | Shutter speed, exposure compensation, AF-in-focus, aperture, frame counter, white balance, metering system, Exposure Mode, image stabilizer, exposure bracketing, battery status, AF lock, AF point, electronic level | - |
| Field of View Crop Factor | 2 | - |
| Features | Viewfinder brightness control, auto eye sensor, colour temperature control | Auto eye sensor |
| EXPOSURE & WHITE BALANCE | Olympus OM-D E-M10 Mark II | Pentax K-3 Mark III |
|---|
| ISO (Max) | 25600 | 1600000 |
|---|---|---|
| Native ISO | 100-25600 | - |
| Light Sensitivity | ISO auto, ISO 100-25600, ISO auto (100-25600) | ISO auto, ISO 100-1600000 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Multi-segment, centre-weighted, spot, highlight-weighted |
| Exposure Metering Zones | 324 | - |
| Exposure Modes | Programme, bulb, automatic, manual, aperture-priority, shutter-priority | Programme, bulb, automatic, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority |
| Bracketing Modes | Art Filter bracketing, ISO sensitivity bracketing | Depth of field bracketing, motion bracketing |
| Shooting Programs | Landscape, portrait mode, macro, beach/snow, landscape-portrait, Children, fireworks, 3D image, panorama assist, night scene, panning, sports mode, sunset, candle, high key, night scene with portrait, low key, documents, nature macro, e-portrait, fisheye converter, wide converter, macro converter, digital IS, handheld night scene | - |
| Special Effects | Sepia, Black & White Red filter, Black & White Yellow filter, purple, blue, green, Frames, Black & White Orange filter, soft focus, Black & White Green filter, Water Colour, Diorama, Cross Process, partial colour, Grainy Film, Light Tone, Pop Art, Pale & Light Colour, pin hole, Gentle Sepia, Dramatic Tone, Shading, Key Line, Vintage, Star Light, White Edge | Soft, Slim, fisheye, natural, bright, Vibrant, monochrome, Muted, Flat, landscape, portrait, miniature, Cross Process, Retro, Colour Extract, Toy camera, High contrast, Colour Invert, Bleach Bypass, Radiant, Reversal Film, Shading, Tone Expansion, Bold Monochrome, Unicolour Bold, Colour replace, Grainy Monochrome |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Fluorescent, sunlight, tungsten light, Flash, shade, overcast, Underwater, 2000K - 14000K | Cloudy, tungsten light, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Color Temperature Enhancement (CTE), fluorescent light (daylight white) |
| Shutter Type | Mechanical | Electronic, mechanical electronically-controlled |
| Max Shutter Speed | 1/6000 sec | 1/8000 sec |
| Min Shutter Speed | 60 sec | 30 sec |
| Exposure Compensation | ±5 EV range, in 1, 1/2 or 1/3 EV steps | ±5 EV range, in 1/2 or 1/3 EV steps |
| Auto Exposure Bracketing | 7 steps in 1/3, 2/3 or 1 EV steps | - |
| White Balance Bracketing | Yes | - |
| X-sync Speed | 1/250sec, 1/4000 sec | 1/200sec |
| Exposure Range | EV -2-20 (ISO 100) | EV -3-20 (ISO 100) |
| DISPLAY | Olympus OM-D E-M10 Mark II | Pentax K-3 Mark III |
|---|
| Type | 3" LCD display | 3.2" LCD display |
|---|---|---|
| Touch Screen | Yes | Yes |
| Display Format | 1,037,000 pixels | 1,620,000 pixels |
| Display Form Factor | Folding | Built-in |
| Display Features | Contrast control | Colour control, contrast control, display brightness control, night vision LCD display |
| FLASH | Olympus OM-D E-M10 Mark II | Pentax K-3 Mark III |
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| Camera Flash | Pop-up flash | - |
|---|---|---|
| Flash Modes | Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction | - |
| Red-Eye Reduction | Yes | - |
| Features | AF illuminator, flash +/- compensation, wireless off-camera control | - |
| VIDEOGRAPHY / CAMCORDER | Olympus OM-D E-M10 Mark II | Pentax K-3 Mark III |
|---|
| Digital Video Format | AVI, MJPEG, H.264, MOV | H.264, MOV |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG, MPO | JPEG, DNG (RAW), PEF (RAW) |
| Max Video Resolution | 1920 x 1080 | 3840 x 2160 |
| Microphone Operation Mode | Stereo | Stereo |
| Microphone Features | Wind noise reduction, sensitivity control | Wind noise reduction, sensitivity control |
| MEMORY | Olympus OM-D E-M10 Mark II | Pentax K-3 Mark III |
|---|
| Memory Card Slot | SD card | Dual SD card |
|---|---|---|
| Supported Memory Cards | SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card | SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card, SDHC UHS-II Memory Card, SDXC UHS-II Memory Card |
| Memory Card Included | No | No |
| Image Storage | RAW 4608 x 3456 - 17 MB JPEG 4608 x 3456 - 7.5 MB JPEG 4608 x 3456 - 3.5 MB JPEG 3200 x 2400 - 1.7 MB JPEG 1280 x 960 - 0.4 MB |
RAW 6192 x 4128 JPEG 6192 x 4128 JPEG 4752 x 3168 JPEG 3648 x 2432 JPEG 1920 x 1280 |
| Video Capture | MOV - 1920 x 1080 - 30 fps MOV - 1920 x 1080 - 25 fps MOV - 1920 x 1080 - 24 fps MOV - 1920 x 1080 - 60 fps MOV - 1920 x 1080 - 50 fps MOV - 1280 x 720 - 60 fps MOV - 1280 x 720 - 50 fps MOV - 1280 x 720 - 30 fps MOV - 1280 x 720 - 25 fps MOV - 1280 x 720 - 24 fps AVI - 1280 x 720 - 60 fps AVI - 1280 x 720 - 50 fps AVI - 1280 x 720 - 30 fps AVI - 1280 x 720 - 25 fps AVI - 1280 x 720 - 24 fps MJPEG - 1280 x 720 - 30 fps MJPEG - 640 x 480 - 30 fps |
H.264 - 3840 x 2160 p - 30 fps H.264 - 3840 x 2160 p - 24 fps H.264 - 1920 x 1080 p - 60 fps H.264 - 1920 x 1080 p - 30 fps H.264 - 1920 x 1080 p - 24 fps |
| BATTERY AND CHARGING | Olympus OM-D E-M10 Mark II | Pentax K-3 Mark III |
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| Battery Type | Olympus BLS-5 Lithium Ion | Pentax D-Li90 Lithium Ion |
|---|---|---|
| Details | Olympus BLS-5 Li-ion rechargeable battery (included) | Pentax D-Li90 Li-ion rechargeable battery (included) |
| Battery Life | Photo shooting - 320 shots | Photo shooting - 800 shots Playback - 250 minutes |
| CONNECTIONS | Olympus OM-D E-M10 Mark II | Pentax K-3 Mark III |
|---|
| Interface | Composite video/audio, HDMI, USB 2.0, IEEE 802.11b/g/n | HDMI, USB-C, IEEE 802.11b/g/n, Bluetooth 4.2 |
|---|---|---|
| Connectivity Features | Remote control via mobile devices, remote live view, QR code scanning | Remote control via mobile devices, remote live view, Wireless Image Transfer |
| Print Standard | DPOF support, Exif Print support, PRINT Image Matching | Exif Print support |
| Computer Connectivity | - | Mac, Windows |
| Flash Terminal | Hot shoe, PC terminal | Hot shoe, PC terminal |
| Connector Type | USB 2.0 Composite video/audio output HDMI output (19 pin micro HDMI Type D) |
USB 3.2 Gen 1 (USB Type-C) HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) Remote control (sub-mini phone 2.5 mm) |
| FEATURES | Olympus OM-D E-M10 Mark II | Pentax K-3 Mark III |
|---|
| Self-Timer Delay | 2sec, 12sec | 2sec, 12sec |
|---|---|---|
| Continuous Shooting Speed | 4 frames per second, 8.5 frames per second | 2.5 frames per second, 12 frames per second, 7 frames per second |
| HDR Mode | - | Auto HDR mode |
| Additional Features | Built-in speaker, RGB primary colour filter, auto power save, sharpness control, camera orientation detection, histogram display, cropping an image, resizing an image, saturation control, in-camera red-eye fix, shadow point display, interval shooting mode, highlight point display, takes photos while film recording, built-in help guide, Shadow Adjustment Technology, in-camera RAW processing, HDR image enhancement technology, Intelligent AUTO (iAUTO), Dual Axis Electronic Level, GPS via mobile | Audio recording, date/time stamp, digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, cropping an image, resizing an image, interval shooting mode, in-camera film editing, in-camera RAW processing, peripheral illumination correction, horizon correction, NR Slow Shutter, High ISO NR, Lens Distortion Correction, primary colour filter, Automatic composition correction function, colour moire correction, Lateral Chromatic Aberration Correction, diffraction correction, Pixel Shift Resolution technology, colour fringe correction, multiple exposure capture, GPS stamp, D-range correction |
| OTHERS | Olympus OM-D E-M10 Mark II | Pentax K-3 Mark III |
|---|
| Included Accessories | Battery charger, body cap, shoulder strap, USB cable | Eyepiece cover, carrying strap, battery charger, body cap, USB cable, eyecup, shoe cap, sync terminal cover |
|---|---|---|
| Software | Olympus Viewer 3 | Digital Camera Utility 5 |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | 0 °C | -10 °C |
| Service & Support | - | Limited warranty - 1 year |
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