In depth comparison and review of Pentax K-3 and Olympus OM-D E-M10. 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 | Pentax K-3 | Olympus OM-D E-M10 |
|---|
| Product Type | Digital camera - SLR with movie recording | Digital camera - 1080p - mirrorless system |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 10 cm | 8.23 cm |
| Width | 13.15 cm | 11.91 cm |
| Depth | 7.75 cm | 4.59 cm |
| Weight | 715 g | 350 g |
| Body Material | Magnesium alloy | Magnesium alloy |
| Enclosure Colour | Black | Black | Silver |
| Protection | Weatherproof, freezeproof, dust-resistant | - |
| SENSOR | Pentax K-3 | Olympus OM-D E-M10 |
|---|
| Sensor Resolution | 23.35 Megapixel | 16.1 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | Live MOS |
| Total Pixels | 24,710,000 pixels | 17,200,000 pixels |
| Effective Sensor Resolution | 23,350,000 pixels | 16,100,000 pixels |
| Optical Sensor Size | APS-C (23.5 x 15.6 mm) | Four Thirds (4/3") |
| Sensor Dust Reduction | - | Yes |
| Sensor Features | Dust Reduction (image sensor vibration), anti-aliasing simulator function | Supersonic Wave Filter (SWF) |
| Image Stabiliser | Optical (image sensor shift mechanism) | Optical (5-axis image sensor shift mechanism) |
| Built-in Optical Image Stabiliser | Yes | Yes |
| Sensors | Dust alert sensor, digital level metre | - |
| PROCESSOR | Pentax K-3 | Olympus OM-D E-M10 |
|---|
| Image Processor | PRIME III | TruePic VII |
|---|
| LENS | Pentax K-3 | Olympus OM-D E-M10 |
|---|
| Lens Mounting Type | Pentax K | Micro Four Thirds |
|---|
| FOCUSING | Pentax K-3 | Olympus OM-D E-M10 |
|---|
| Auto Focus | TTL phase detection | TTL contrast detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 27 | 81 |
| AE/AF Control | - | Subject-tracking AF, Eye detection AF |
| Face Detection | Yes | Eye Detect AF |
| VIEWFINDER | Pentax K-3 | Olympus OM-D E-M10 |
|---|
| Viewfinder Type | Optical - fixed eye-level pentaprism | Built-in - electronic |
|---|---|---|
| Viewfinder Colour Support | - | Colour |
| Viewfinder Resolution | - | 1,440,000 pixels |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 0.95x | 1.15x |
| Optical Viewfinder Dioptric Correction Range | -2.5 to +1.5 | -4 to +2 |
| Viewfinder Information | - | Shutter speed, exposure compensation, AF-in-focus, aperture, white balance, metering system, Exposure Mode, image stabilizer, battery status, AF lock, AF point, electronic level |
| Field of View Crop Factor | - | 2 |
| Interchangeable Focusing Screens | Yes | - |
| Features | - | Viewfinder brightness control, auto eye sensor, colour temperature control |
| EXPOSURE & WHITE BALANCE | Pentax K-3 | Olympus OM-D E-M10 |
|---|
| ISO (Max) | 51200 | 25600 |
|---|---|---|
| Native ISO | 100-51200 | - |
| Light Sensitivity | ISO 100-51200, ISO auto (100-51200) | ISO auto, ISO 100-25600 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Multi-segment, centre-weighted, spot |
| Exposure Metering Zones | - | 324 |
| Exposure Modes | Programme, bulb, automatic, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority | Programme, bulb, automatic, manual, aperture-priority, shutter-priority |
| Bracketing Modes | - | Art Filter bracketing, Dynamic Range Bracketing, ISO sensitivity bracketing |
| Shooting Programs | - | Landscape, portrait mode, macro, beach/snow, night portrait, landscape-portrait, Children, fireworks, 3D image, panorama assist, night scene, Underwater, sports mode, sunset, candle, high key, low key, documents, nature macro, e-portrait, fisheye converter, wide converter, macro converter, handheld starlight, digital IS |
| Special Effects | Soft, Slim, Pastel, fisheye, natural, bright, Vibrant, Sketch, monochrome, Muted, landscape, portrait, Water Colour, miniature, Cross Process, Retro, Colour Extract, Toy camera, starburst, High contrast, Colour Invert, Bleach Bypass, Posterisation, Radiant, Reversal Film, Shading, Tone Expansion, Bold Monochrome, Unicolour Bold | Sepia, Monotone, Black & White Red filter, Black & White Yellow filter, Vivid, purple, blue, green, Frames, Black & White Orange filter, soft focus, natural, monochrome, Black & White Green filter, Muted, portrait, Water Colour, Diorama, Cross Process, Grainy Film, Light Tone, Pop Art, Pale & Light Colour, pin hole, Gentle Sepia, i-Enhance, Dramatic Tone, Image Overlay, Key Line, Star Light, White Edge |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Cloudy, tungsten light, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Color Temperature Enhancement (CTE), fluorescent light (daylight white) | Incandescent, fluorescent, cloudy, sunlight, Flash, shade, Underwater, 2000K - 14000K |
| Shutter Type | Mechanical electronically-controlled | - |
| Max Shutter Speed | 1/8000 sec | 1/4000 sec |
| Min Shutter Speed | 30 sec | 60 sec |
| Exposure Compensation | ±5 EV range, in 1/2 or 1/3 EV steps | ±5 EV range, in 1, 1/2 or 1/3 EV steps |
| Auto Exposure Bracketing | 2, 3 or 5 steps | 7 steps in 1/3, 2/3 or 1 EV steps |
| White Balance Bracketing | - | Yes |
| X-sync Speed | 1/180 sec | 1/250sec |
| Exposure Range | EV -3-20 (ISO 100) | EV -2-20 |
| DISPLAY | Pentax K-3 | Olympus OM-D E-M10 |
|---|
| Type | 3.2" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | - | Yes |
| Display Format | 1,037,000 pixels | 1,037,000 pixels |
| Display Form Factor | Built-in | Folding |
| Display Features | Colour control | Contrast control |
| FLASH | Pentax K-3 | Olympus OM-D E-M10 |
|---|
| Camera Flash | Pop-up flash | Pop-up flash |
|---|---|---|
| Guide Number (m / ISO 100) | 13 | - |
| Flash Modes | Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction | Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction |
| Red-Eye Reduction | Yes | Yes |
| Features | AF illuminator, flash +/- compensation, wireless off-camera control | AF illuminator, flash +/- compensation, wireless off-camera control |
| VIDEOGRAPHY / CAMCORDER | Pentax K-3 | Olympus OM-D E-M10 |
|---|
| Digital Video Format | AVI, MJPEG, H.264 | AVI, MJPEG, H.264, MOV |
|---|---|---|
| Image Recording Format | JPEG, DNG (RAW) + JPEG, DNG (RAW) | JPEG, RAW, RAW + JPEG, MPO |
| Max Video Resolution | 1920 x 1080 | 1920 x 1080 |
| Microphone Operation Mode | Mono | Stereo |
| Microphone Features | Sensitivity control | Wind noise reduction, sensitivity control |
| MEMORY | Pentax K-3 | Olympus OM-D E-M10 |
|---|
| Memory Card Slot | Dual SD card | 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 |
| Image Storage | RAW 6016 x 4000 JPEG 6016 x 4000 JPEG 4608 x 3072 JPEG 3072 x 2048 JPEG 1920 x 1280 |
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 |
| Video Capture | H.264 - 1920 x 1080 - 30 fps H.264 - 1920 x 1080 - 25 fps H.264 - 1920 x 1080 - 24 fps H.264 - 1280 x 720 - 60 fps H.264 - 1280 x 720 - 50 fps H.264 - 1280 x 720 - 30 fps H.264 - 1280 x 720 - 25 fps H.264 - 1280 x 720 - 24 fps H.264 - 1920 x 1080 - 60 fps H.264 - 1920 x 1080 - 50 fps |
MOV - 1920 x 1080 - 30 fps - 24Mbps MOV - 1920 x 1080 - 30 fps - 16Mbps MOV - 1280 x 720 - 30 fps - 12Mbps MOV - 1280 x 720 - 30 fps - 8Mbps AVI - 1280 x 720 - 30 fps AVI - 640 x 480 - 30 fps - 16Mbps |
| BATTERY AND CHARGING | Pentax K-3 | Olympus OM-D E-M10 |
|---|
| Battery Type | Pentax D-Li90 Lithium Ion | Olympus BLS-5 Lithium Ion |
|---|---|---|
| Details | Pentax D-Li90 Li-ion rechargeable battery (included) | Olympus BLS-5 Li-ion rechargeable battery (included) |
| Battery Life | Photo shooting - 560 shots (50% flash usage) Photo shooting - 720 shots (flash off) Playback - 6.2 hours |
Photo shooting - 320 shots |
| CONNECTIONS | Pentax K-3 | Olympus OM-D E-M10 |
|---|
| Interface | HDMI, USB 3.0 | Composite video/audio, HDMI, USB 2.0, IEEE 802.11b/g/n |
|---|---|---|
| Connectivity Features | - | Remote control via mobile devices, remote live view |
| Print Standard | Exif Print support | DPOF support, Exif Print support, PRINT Image Matching |
| Flash Terminal | Hot shoe | Hot shoe, PC terminal |
| Connector Type | USB 2.0 HDMI output Microphone Headphones Remote control |
USB 2.0 Composite video/audio output HDMI output |
| FEATURES | Pentax K-3 | Olympus OM-D E-M10 |
|---|
| Self-Timer Delay | 2sec, 12sec | 2sec, 12sec |
|---|---|---|
| Continuous Shooting Speed | 8.3 frames per second | 8 frames per second, 3.5 frames per second |
| HDR Mode | Auto HDR mode | - |
| Additional Features | Audio recording, digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, cropping an image, resizing an image, saturation control, GPS ready, interval shooting mode, mirror lock, in-camera RAW processing, peripheral illumination correction, HDR image enhancement technology, Shade Correction, Eye-Fi Card Ready, NR Slow Shutter, High ISO NR, Dynamic Range Compensation, no anti-aliasing filter, Lens Distortion Correction, primary colour filter, Interval Movie Record, Automatic composition correction function, colour moire correction, Lateral Chromatic Aberration Correction, Flucard Ready | 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 |
| OTHERS | Pentax K-3 | Olympus OM-D E-M10 |
|---|
| Included Accessories | Battery charger, body cap, shoulder strap, USB cable, eyecup, shoe cap, battery grip terminal cover, sync terminal cover | Battery charger, body cap, shoulder strap, USB cable |
|---|---|---|
| Software | Drivers & Utilities | Olympus Viewer 3 |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | -10 °C | 0 °C |
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