In depth comparison and review of Olympus OM-D E-M10 Mark IV + M.Zuiko Digital 14-42mm II and Pentax K-3 Mark III. Compare design, sensors, proximity features, memory capacities and other important specifications and features to easily choose the right camera for you. Our goal is to help you uncover differences between the products and find the digital camera that will best fit your needs.
| DESIGN AND DIMENSIONS | Olympus OM-D E-M10 Mark IV + M.Zuiko Digital 14-42mm II | Pentax K-3 Mark III |
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| Product Type | Digital camera - 4K - mirrorless system | Digital camera - 4K - SLR with Live View mode, movie recording |
|---|---|---|
| Lens Included | M.Zuiko Digital 14-42mm II lens | Body only |
| Height | 8.44 cm | 10.35 cm |
| Width | 12.17 cm | 13.45 cm |
| Depth | 4.9 cm | 7.35 cm |
| Weight | 335 g | 735 g |
| Weight Details | Camera body only: 335 g Camera with battery and memory card: 383 g |
Camera body only: 735 g Camera with battery and memory card: 820 g |
| Body Material | Engineering plastic | Magnesium alloy |
| Enclosure Colour | Black | Silver | Black | Silver |
| Protection | - | Weatherproof, dust-resistant |
| Optical Zoom | 3x | - |
| Navigation | - | GPS receiver |
| SENSOR | Olympus OM-D E-M10 Mark IV + M.Zuiko Digital 14-42mm II | Pentax K-3 Mark III |
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| Sensor Resolution | 20.3 Megapixel | 25.73 Megapixel |
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| Optical Sensor Type | Live MOS | CMOS |
| Total Pixels | 21,800,000 pixels | 26,780,000 pixels |
| Effective Sensor Resolution | 20,300,000 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 | 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 IV + M.Zuiko Digital 14-42mm II | Pentax K-3 Mark III |
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| Image Processor | TruePic VIII | - |
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| LENS | Olympus OM-D E-M10 Mark IV + M.Zuiko Digital 14-42mm II | Pentax K-3 Mark III |
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| Type | Zoom lens - 3x zoom - 14 - 42 mm - f/3.5-5.6 ED EZ - zoom | - |
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| Focal Length Equivalent to 35mm Camera | 28 - 84mm | - |
| Focus Adjustment | Automatic, manual | - |
| Min Focus Distance | 20 cm | - |
| Max View Angle | 75 degree(s) | - |
| Zoom Adjustment | Manual (by ring) | - |
| Lens Construction | 7 groups / 8 elements | - |
| Filter Size | 37 mm | - |
| Lens Mounting Type | Micro Four Thirds | Pentax K |
| Features | ED glass, aspherical lens, Zoom Maximum Speed Adjustment, MSC technology, Super HR (High Refractive) index lens, Lens Barrel Retraction Function | - |
| FOCUSING | Olympus OM-D E-M10 Mark IV + M.Zuiko Digital 14-42mm II | Pentax K-3 Mark III |
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| Auto Focus | TTL contrast detection | TTL contrast and phase detection |
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| Auto Focus Points (Zones) Qty | 121 | 101 |
| Auto Focus Features | Focus Peaking function, Manual Focus Assist | - |
| AE/AF Control | Face-priority AF, Subject-tracking AF, Touch Area AF, Eye detection AF | Auto-area AF, Zone AF, Expanded area AF |
| Face Detection | Eye Detect AF, face-priority AF function | Yes |
| VIEWFINDER | Olympus OM-D E-M10 Mark IV + M.Zuiko Digital 14-42mm II | Pentax K-3 Mark III |
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| Viewfinder Type | Electronic - OLED | Optical - fixed eye-level pentaprism |
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| Viewfinder Colour Support | Colour | - |
| Viewfinder Resolution | 2,360,000 pixels | - |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 1.23x | 1.05x |
| Optical Viewfinder Dioptric Correction Range | -4 to +2 | -4 to +1 |
| Viewfinder Information | Shutter speed, exposure compensation, aperture, white balance, Exposure Mode, image stabilizer, exposure bracketing, battery status, AF lock, AF point, electronic level, metering mode | - |
| Field of View Crop Factor | 2 | - |
| Features | Viewfinder brightness control | Auto eye sensor |
| EXPOSURE & WHITE BALANCE | Olympus OM-D E-M10 Mark IV + M.Zuiko Digital 14-42mm II | Pentax K-3 Mark III |
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| ISO (Max) | 25600 | 1600000 |
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| Native ISO | 200-25600 | - |
| Extended ISO (Max) | 25600 | - |
| Light Sensitivity | ISO auto, ISO 80-25600 | 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 | Focus bracketing | Depth of field bracketing, motion bracketing |
| Shooting Programs | Landscape, portrait mode, macro, beach/snow, landscape-portrait, Children, fireworks, night scene, panning, sports mode, sunset, candle, night scene with portrait, documents, nature macro, e-portrait, handheld starlight, backlight correction HDR, light trace, multi focus | - |
| Special Effects | Sepia, Monotone, Neutral, Vivid, purple, blue, green, soft focus, natural, Flat, portrait, Water Colour, Diorama, Cross Process, partial colour, Grainy Film, Light Tone, Pop Art, Pale & Light Colour, pin hole, Gentle Sepia, Dramatic Tone, Bleach Bypass, High Key, Low Key, Key Line, Vintage, Instant Film, e-Portrait, i-Finish, Colour Creator | 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, 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 | Electronic, mechanical electronically-controlled |
| Max Shutter Speed | 1/16000 sec | 1/8000 sec |
| Min Shutter Speed | 60 sec | 30 sec |
| Exposure Compensation | ±5 EV range, in 1/3 EV steps | ±5 EV range, in 1/2 or 1/3 EV steps |
| 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 IV + M.Zuiko Digital 14-42mm II | Pentax K-3 Mark III |
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| Type | 3" LCD display | 3.2" LCD display |
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| Touch Screen | Yes | Yes |
| Display Format | 1,040,000 pixels | 1,620,000 pixels |
| Display Form Factor | Tilting | Built-in |
| Display Features | Display brightness control | Colour control, contrast control, display brightness control, night vision LCD display |
| FLASH | Olympus OM-D E-M10 Mark IV + M.Zuiko Digital 14-42mm II | Pentax K-3 Mark III |
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| Camera Flash | Pop-up flash | - |
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| Guide Number (m / ISO 100) | 5.1 | - |
| 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 | - |
| VIDEOGRAPHY / CAMCORDER | Olympus OM-D E-M10 Mark IV + M.Zuiko Digital 14-42mm II | Pentax K-3 Mark III |
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| Digital Video Format | H.264, MOV | H.264, MOV |
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| Image Recording Format | JPEG, RAW, RAW + JPEG | JPEG, DNG (RAW), PEF (RAW) |
| Max Video Resolution | 3840 x 2160 | 3840 x 2160 |
| Audio Signal Format | Linear PCM | - |
| Microphone Operation Mode | Stereo | Stereo |
| Microphone Features | Wind noise reduction, sensitivity control | Wind noise reduction, sensitivity control |
| MEMORY | Olympus OM-D E-M10 Mark IV + M.Zuiko Digital 14-42mm II | Pentax K-3 Mark III |
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| Memory Card Slot | SD card | Dual SD card |
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| Supported Memory Cards | 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 | 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 6192 x 4128 JPEG 6192 x 4128 JPEG 4752 x 3168 JPEG 3648 x 2432 JPEG 1920 x 1280 |
| Video Capture | MOV - 3840 x 2160 p - 30 fps MOV - 3840 x 2160 p - 25 fps MOV - 3840 x 2160 p - 24 fps MOV - 1920 x 1080 p - 60 fps MOV - 1920 x 1080 p - 50 fps MOV - 1920 x 1080 p - 30 fps MOV - 1920 x 1080 p - 25 fps MOV - 1920 x 1080 p - 24 fps MOV - 1280 x 720 p - 30 fps MOV - 1280 x 720 p - 25 fps MOV - 1280 x 720 p - 24 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 IV + M.Zuiko Digital 14-42mm II | Pentax K-3 Mark III |
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| Battery Type | Olympus BLS-50 Lithium Ion | Pentax D-Li90 Lithium Ion |
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| Details | Olympus BLS-50 Li-ion rechargeable battery (included) | Pentax D-Li90 Li-ion rechargeable battery (included) |
| Battery Life | Photo shooting - 360 shots Video recording - 80 minutes |
Photo shooting - 800 shots Playback - 250 minutes |
| CONNECTIONS | Olympus OM-D E-M10 Mark IV + M.Zuiko Digital 14-42mm II | Pentax K-3 Mark III |
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| Interface | HDMI, USB 2.0, IEEE 802.11b/g/n, Bluetooth 4.2 | HDMI, USB-C, IEEE 802.11b/g/n, Bluetooth 4.2 |
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| Connectivity Features | Remote control via mobile devices, remote live view, Wireless Image Transfer, QR code scanning | Remote control via mobile devices, remote live view, Wireless Image Transfer |
| Print Standard | Direct print, DPOF support, Exif Print support | Exif Print support |
| Computer Connectivity | - | Mac, Windows |
| Flash Terminal | Hot shoe | Hot shoe, PC terminal |
| Connector Type | USB (5 pin Micro-USB Type B) 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 IV + M.Zuiko Digital 14-42mm II | Pentax K-3 Mark III |
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| Self-Timer Delay | 2sec, 12sec | 2sec, 12sec |
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| Continuous Shooting Speed | 5 frames per second, 8.7 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, histogram display, in-camera red-eye removal, cropping an image, resizing an image, saturation control, shadow point display, interval shooting mode, highlight point display, in-camera film editing, USB charging, in-camera RAW processing, Dual Axis Electronic Level, silent shooting, High Dynamic Range (HDR), multiple exposure capture, image overlay, Post-recording function | 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 IV + M.Zuiko Digital 14-42mm II | Pentax K-3 Mark III |
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| Included Accessories | Dust cap, body cap, lens cap, shoulder strap, AC power adaptor, USB cable | Eyepiece cover, carrying strap, battery charger, body cap, USB cable, eyecup, shoe cap, sync terminal cover |
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| Software | - | Digital Camera Utility 5 |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | -10 °C | -10 °C |
| Service & Support | - | Limited warranty - 1 year |
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