Side by side comparison and review of Olympus OM-D E-M1 and Pentax K-3 II. Compare design, sensors, zoom functions, batteries and other key specifications and features to simplify the choice of your perfect digital camera. Our goal is to make it easier for you to decide on the camera that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Olympus OM-D E-M1 | Pentax K-3 II |
|---|
| Product Type | Digital camera - 1080p - mirrorless system | Digital camera - 1080p - SLR with Live View mode, movie recording |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 9.35 cm | 10.25 cm |
| Width | 13.04 cm | 13.15 cm |
| Depth | 6.31 cm | 7.75 cm |
| Weight | 443 g | 700 g |
| Body Material | Magnesium alloy | Stainless steel, magnesium alloy |
| Enclosure Colour | Silver | Black | Black |
| Protection | Splashproof, freezeproof, dust-resistant | Weatherproof, freezeproof, dust-resistant |
| Navigation | - | GPS receiver |
| SENSOR | Olympus OM-D E-M1 | Pentax K-3 II |
|---|
| Sensor Resolution | 16.3 Megapixel | 24.35 Megapixel |
|---|---|---|
| Optical Sensor Type | Live MOS | CMOS |
| Total Pixels | 16,800,000 pixels | 24,710,000 pixels |
| Effective Sensor Resolution | 16,300,000 pixels | 24,350,000 pixels |
| Optical Sensor Size | Four Thirds (4/3") | APS-C (23.5 x 15.6 mm) |
| Sensor Features | - | Dust Reduction (image sensor vibration), anti-aliasing simulator function |
| Image Stabiliser | Optical (5-axis image sensor shift mechanism) | - |
| Built-in Optical Image Stabiliser | Yes | - |
| Sensors | Digital level metre | Accelerometer, magnetometer, digital level metre |
| PROCESSOR | Olympus OM-D E-M1 | Pentax K-3 II |
|---|
| Image Processor | TruePic VII | - |
|---|
| LENS | Olympus OM-D E-M1 | Pentax K-3 II |
|---|
| Lens Mounting Type | Micro Four Thirds | Pentax K |
|---|
| FOCUSING | Olympus OM-D E-M1 | Pentax K-3 II |
|---|
| Auto Focus | TTL contrast and phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | - | 27 |
| AE/AF Control | Face-priority AF, Subject-tracking AF, Eye detection AF | - |
| Face Detection | Yes | Yes |
| VIEWFINDER | Olympus OM-D E-M1 | Pentax K-3 II |
|---|
| 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 | 1.48x | 0.95x |
| Optical Viewfinder Dioptric Correction Range | -4 to +2 | -2.5 to +1.5 |
| Field of View Crop Factor | 2 | - |
| Interchangeable Focusing Screens | - | Yes |
| EXPOSURE & WHITE BALANCE | Olympus OM-D E-M1 | Pentax K-3 II |
|---|
| ISO (Max) | 25600 | 51200 |
|---|---|---|
| Native ISO | - | 100-51200 |
| Light Sensitivity | ISO 200-25600, ISO auto (200-25600) | ISO 100-51200, ISO auto (100-51200) |
| 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 | Programme, bulb, automatic, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority |
| Bracketing Modes | Art Filter bracketing, ISO sensitivity bracketing | - |
| Shooting Programs | Landscape, portrait mode, macro, beach/snow, landscape-portrait, Children, fireworks, 3D image, panorama assist, night scene, sports mode, sunset, candle, high key, night scene with portrait, anti shake, low key, documents, nature macro, e-portrait, fisheye converter, wide converter, macro converter | - |
| Special Effects | Black & White, Sepia, soft focus, Water Colour, Diorama, Cross Process, Grainy Film, Light Tone, Pop Art, Pale & Light Colour, pin hole, Gentle Sepia, Dramatic Tone, Key Line, Star Light, Defocus, White Edge | 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 |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Incandescent, fluorescent, cloudy, sunlight, Flash, shade, Underwater, 2000K - 14000K | 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) |
| Shutter Type | - | Mechanical electronically-controlled |
| Max Shutter Speed | 1/8000 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 | - | 2, 3 or 5 steps |
| X-sync Speed | - | 1/180 sec |
| Exposure Range | EV 2-20 (ISO 100) | EV -3-20 (ISO 100) |
| DISPLAY | Olympus OM-D E-M1 | Pentax K-3 II |
|---|
| Type | 3" LCD display | 3.2" LCD display |
|---|---|---|
| Touch Screen | Yes | - |
| Display Format | 1,037,000 pixels | 1,037,000 pixels |
| Display Form Factor | Folding | Built-in |
| Display Features | Contrast control, display brightness control, display colour control | Colour control, contrast control, display brightness control |
| FLASH | Olympus OM-D E-M1 | Pentax K-3 II |
|---|
| Camera Flash | Detachable flash | - |
|---|---|---|
| Guide Number (m / ISO 100) | 7 | - |
| 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, flash exposure bracketing | - |
| VIDEOGRAPHY / CAMCORDER | Olympus OM-D E-M1 | Pentax K-3 II |
|---|
| Digital Video Format | AVI, MJPEG, H.264, MOV | AVI, MJPEG, H.264 |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG, MPO | JPEG, DNG (RAW), PEF (RAW) |
| Max Video Resolution | 1920 x 1080 | 1920 x 1080 |
| Microphone Operation Mode | Stereo | Mono |
| Microphone Features | Wind noise reduction, sensitivity control | - |
| MEMORY | Olympus OM-D E-M1 | Pentax K-3 II |
|---|
| 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 |
| 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 2560 x 1920 - 1.1 MB |
RAW 6016 x 4000 JPEG 6016 x 4000 JPEG 4608 x 3072 JPEG 3072 x 2048 JPEG 1920 x 1280 |
| Video Capture | 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 MJPEG - 1280 x 720 - 30 fps MJPEG - 640 x 480 - 30 fps |
1920 x 1080 1280 x 720 |
| BATTERY AND CHARGING | Olympus OM-D E-M1 | Pentax K-3 II |
|---|
| Battery Type | Olympus BLN-1 Lithium Ion | Pentax D-Li90 Lithium Ion |
|---|---|---|
| Details | Olympus BLN-1 Li-ion rechargeable battery (included) | Pentax D-Li90 Li-ion rechargeable battery (included) |
| Battery Life | Photo shooting - 250 shots | Photo shooting - 720 shots Playback - 6.2 hours |
| CONNECTIONS | Olympus OM-D E-M1 | Pentax K-3 II |
|---|
| Interface | Composite video/audio, HDMI, USB 2.0, Wireless LAN | Composite video/audio, HDMI, USB 3.0 |
|---|---|---|
| Connectivity Features | Remote control via mobile devices, remote live view | - |
| Print Standard | DPOF support, Exif Print support, PRINT Image Matching | Exif Print support |
| Flash Terminal | Hot shoe | Hot shoe, PC terminal |
| Connector Type | USB 2.0 Composite video/audio output HDMI output (19 pin micro HDMI Type D) Microphone Accessory port |
USB 3.0 HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) Remote control |
| FEATURES | Olympus OM-D E-M1 | Pentax K-3 II |
|---|
| Self-Timer Delay | 2sec, 12sec | 2sec, 12sec |
|---|---|---|
| Continuous Shooting Speed | 10 frames per second, 6.5 frames per second | 3 frames per second, 4.5 frames per second, 8.3 frames per second |
| HDR Mode | - | Auto HDR mode |
| Additional Features | Audio recording, built-in speaker, RGB primary colour filter, auto power save, sharpness control, histogram display, AE lock, AF lock, cropping an image, resizing an image, saturation control, in-camera red-eye fix, interval shooting mode, face detection, Shadow Adjustment Technology, in-camera RAW processing, Full-time Live View, Intelligent AUTO (iAUTO), Eye-Fi Card Ready, Touch Shutter technology, GPS via mobile | Audio recording, sharpness control, digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, cropping an image, resizing an image, saturation control, interval shooting mode, in-camera film editing, in-camera RAW processing, peripheral illumination correction, HDR image enhancement technology, Shade Correction, Eye-Fi Card Ready, High ISO NR, no anti-aliasing filter, Lens Distortion Correction, primary colour filter, Automatic composition correction function, colour moire correction, Lateral Chromatic Aberration Correction, Flucard Ready, anti-aliasing filter simulator, diffraction correction, Pixel Shift Resolution technology, colour fringe correction |
| OTHERS | Olympus OM-D E-M1 | Pentax K-3 II |
|---|
| Included Accessories | Battery charger, body cap, shoulder strap, USB cable | Eyepiece cover, carrying strap, battery charger, body cap, eyecup, shoe cap, sync terminal cover |
|---|---|---|
| Software | Drivers & Utilities, Olympus Viewer 3 | Drivers & Utilities |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | -10 °C | -10 °C |
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