In depth comparison and review of Pentax 645Z and Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R. 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 645Z | Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R |
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| Product Type | Digital camera - 1080p - SLR with Live View mode, movie recording | Digital camera - 4K - mirrorless system |
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| Lens Included | Body only | M.Zuiko Digital 14-42mm II R lens |
| Height | 11.7 cm | 8.36 cm |
| Width | 15.6 cm | 12.15 cm |
| Depth | 12.3 cm | 4.95 cm |
| Weight | 1.47 kg | 362 g |
| Weight Details | Camera body only: 1.47 kg Camera with battery and memory card: 1.55 kg |
Camera body only: 362 g Camera with battery and memory card: 411 g |
| Enclosure Colour | - | Silver |
| Protection | Dust-resistant, water-resistant | - |
| Optical Zoom | - | 3x |
| SENSOR | Pentax 645Z | Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R |
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| Sensor Resolution | 51.4 Megapixel | 16.1 Megapixel |
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| Optical Sensor Type | CMOS | Live MOS |
| Total Pixels | 52,990,000 pixels | 17,200,000 pixels |
| Effective Sensor Resolution | 51,400,000 pixels | 16,100,000 pixels |
| Optical Sensor Size | - | Four Thirds (4/3") |
| Frame Rate (Max Resolution) | 30 fps | 30 fps |
| Sensor Dust Reduction | Yes | Yes |
| Sensor Features | Dust Reduction (image sensor vibration) | Supersonic Wave Filter (SWF) |
| Image Stabiliser | - | Optical (5-axis image sensor shift mechanism) |
| Built-in Optical Image Stabiliser | - | Yes |
| Sensors | - | Digital level metre |
| PROCESSOR | Pentax 645Z | Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R |
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| Image Processor | - | TruePic VIII |
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| LENS | Pentax 645Z | Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R |
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| Type | - | Zoom lens - 3x zoom - 14 - 42 mm - f/3.5-5.6 Micro Four Thirds |
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| Focal Length Equivalent to 35mm Camera | - | 28 - 84mm |
| Focus Adjustment | - | Automatic, manual |
| Min Focus Distance | - | 25 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 | Pentax 645AF | Micro Four Thirds |
| Features | - | Aspherical lens, MSC technology |
| FOCUSING | Pentax 645Z | Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R |
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| Auto Focus | TTL contrast and phase detection | TTL contrast detection |
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| Auto Focus Points (Zones) Qty | 27 | 121 |
| Auto Focus Features | - | Focus Peaking function |
| AE/AF Control | - | Face-priority AF, Subject-tracking AF, Touch Area AF, Eye detection AF |
| Face Detection | - | Eye Detect AF, face-priority AF function |
| VIEWFINDER | Pentax 645Z | Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R |
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| Viewfinder Type | Optical - trapezoid prism | Electronic - OLED |
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| Viewfinder Colour Support | - | Colour |
| Viewfinder Resolution | - | 2,360,000 pixels |
| Optical Viewfinder Field Coverage | 98% | 100% |
| Optical Viewfinder Magnification | 0.62x | 1.23x |
| Optical Viewfinder Dioptric Correction Range | -3.5 to +2 | -4 to +2 |
| Field of View Crop Factor | 1.3 | 2 |
| EXPOSURE & WHITE BALANCE | Pentax 645Z | Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R |
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| ISO (Max) | 204800 | 25600 |
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| Native ISO | 100-204800 | 100-6400 |
| Extended ISO (Max) | - | 25600 |
| Light Sensitivity | ISO auto (100-204800), ISO 100-248000 | ISO 100-25600, ISO auto (100-25600) |
| Exposure Metering | Multi-segment, centre-weighted, spot | Multi-segment, centre-weighted, spot |
| Exposure Metering Zones | - | 324 |
| Exposure Modes | Programme, bulb, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority | Programme, bulb, automatic, manual, aperture-priority, shutter-priority |
| Bracketing Modes | - | Art Filter bracketing, focus bracketing, white balance bracketing |
| Special Effects | Natural, bright, Vibrant, monochrome, Muted, landscape, portrait, Cross Process, Bleach Bypass, Radiant, Reversal Film | Soft focus, Water Colour, Diorama, Cross Process, partial colour, Grainy Film, Light Tone, Pop Art, Pale & Light Colour, pin hole, Gentle Sepia, Dramatic Tone, Bleach Bypass, Key Line, Vintage, Instant Film |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Tungsten light, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (warm white), fluorescent light (daylight colour), fluorescent light (daylight white) | Fluorescent, sunlight, tungsten light, Flash, shade, overcast, 2000K - 14000K |
| Shutter Type | Electronic | Mechanical, electronic |
| Max Shutter Speed | 1/4000 sec | 1/16000 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 1/3 EV steps |
| White Balance Bracketing | - | Yes |
| X-sync Speed | 1/125sec | 1/250sec, 1/4000 sec |
| Exposure Range | EV -1-21 (ISO 200) | EV -2-20 (ISO 100) |
| DISPLAY | Pentax 645Z | Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R |
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| Type | 3.2" LCD display | 3" LCD display |
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| Touch Screen | - | Yes |
| Display Format | 1,037,000 pixels | 1,040,000 pixels |
| Display Form Factor | Folding | Folding |
| Display Features | Display brightness control, display colour control | Colour control, display brightness control |
| FLASH | Pentax 645Z | Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R |
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| Camera Flash | - | Pop-up flash |
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| Guide Number (m / ISO 100) | - | 5.8 |
| 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, wireless off-camera control |
| VIDEOGRAPHY / CAMCORDER | Pentax 645Z | Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R |
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| Digital Video Format | MJPEG, H.264 | H.264, MOV |
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| Image Recording Format | JPEG, RAW, RAW + JPEG | JPEG, RAW, RAW + JPEG, MPO |
| Max Video Resolution | 1920 x 1080 | 3840 x 2160 |
| Audio Signal Format | - | PCM |
| Microphone Operation Mode | - | Stereo |
| Microphone Features | - | Wind noise reduction, sensitivity control |
| MEMORY | Pentax 645Z | Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R |
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| Memory Card Slot | Dual SD card | 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 | SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card |
| Memory Card | - | 16 GB SDHC |
| Memory Card Included | No | Yes |
| Image Storage | - | RAW 4608 x 3456 JPEG 4608 x 3456 JPEG 1280 x 720 |
| 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 - 1280 x 720 p - 60 fps MOV - 1280 x 720 p - 50 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 |
| BATTERY AND CHARGING | Pentax 645Z | Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R |
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| Battery Type | Pentax D-Li90 Lithium Ion | Olympus BLS-50 Lithium Ion |
|---|---|---|
| Details | Pentax D-Li90 Li-ion rechargeable battery (included) | Olympus BLS-50 Li-ion rechargeable battery (included) |
| Battery Life | Photo shooting - 650 shots Playback - 6.67 hours |
Photo shooting - 330 shots (Live View mode) Video recording - 140 minutes |
| CONNECTIONS | Pentax 645Z | Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R |
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| Interface | HDMI, USB 3.0 | HDMI, USB 2.0, IEEE 802.11b/g/n |
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| Connectivity Features | - | Remote control via mobile devices, remote live view, QR code scanning |
| Print Standard | - | Direct print, DPOF support, Exif Print support, PictBridge support |
| Flash Terminal | Hot shoe | Hot shoe |
| Connector Type | USB 3.0 (24 pin Micro-USB-C) HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone stereo 3.5 mm) DC power input |
USB 2.0 (micro-USB) HDMI output (19 pin micro HDMI Type D) |
| FEATURES | Pentax 645Z | Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R |
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| Self-Timer Delay | 2sec, 12sec | 2sec, 12sec |
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| Continuous Shooting Speed | 3 frames per second, 4.5 frames per second | 8.6 frames per second, 4.8 frames per second |
| HDR Mode | - | Auto HDR mode |
| Additional Features | RGB primary colour filter, interval shooting mode, peripheral illumination correction, Eye-Fi Card Ready, NR Slow Shutter, High ISO NR, Lateral Chromatic Aberration Correction, distortion correction function, anti-aliasing filter simulator, diffraction correction | Built-in speaker, RGB primary colour filter, auto power save, histogram display, AE lock, AF lock, shadow point display, interval shooting mode, highlight point display, in-camera RAW processing, high-speed recording, Dual Axis Electronic Level, silent shooting, GPS via mobile |
| OTHERS | Pentax 645Z | Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R |
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| Included Accessories | Carrying strap, battery charger, body cap, eyecup, shoe cap | Battery charger, dust cap, body cap, lens cap, shoulder strap, USB cable, carrying bag |
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| Software | Drivers & Utilities | - |
| Max Operating Temperature | - | 40 °C |
| Min Operating Temperature | - | -10 °C |
| Service & Support | - | Limited warranty - 2 years |
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