In depth comparison and review of Olympus OM-D E-M1 Mark II and Pentax 645Z. 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-M1 Mark II | Pentax 645Z |
|---|
| Product Type | Digital camera - 4K - mirrorless system | Digital camera - 1080p - SLR with Live View mode, movie recording |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 9.09 cm | 11.7 cm |
| Width | 13.41 cm | 15.6 cm |
| Depth | 6.89 cm | 12.3 cm |
| Weight | 498 g | 1.47 kg |
| Weight Details | Camera only: 498 g Camera with battery and memory card: 574 g |
Camera body only: 1.47 kg Camera with battery and memory card: 1.55 kg |
| Body Material | Metal | - |
| Enclosure Colour | Black | - |
| Protection | Splashproof, freezeproof, dust-resistant | Dust-resistant, water-resistant |
| SENSOR | Olympus OM-D E-M1 Mark II | Pentax 645Z |
|---|
| Sensor Resolution | 20.4 Megapixel | 51.4 Megapixel |
|---|---|---|
| Optical Sensor Type | Live MOS | CMOS |
| Total Pixels | 21,800,000 pixels | 52,990,000 pixels |
| Effective Sensor Resolution | 20,400,000 pixels | 51,400,000 pixels |
| Optical Sensor Size | Four Thirds (4/3") | - |
| Frame Rate (Max Resolution) | 24 fps | 30 fps |
| Sensor Dust Reduction | Yes | Yes |
| Sensor Features | Supersonic Wave Filter (SWF) | Dust Reduction (image sensor vibration) |
| Image Stabiliser | Optical (5-axis image sensor shift mechanism) | - |
| Built-in Optical Image Stabiliser | Yes | - |
| Sensors | Digital level metre | - |
| PROCESSOR | Olympus OM-D E-M1 Mark II | Pentax 645Z |
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| Image Processor | TruePic VIII | - |
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| LENS | Olympus OM-D E-M1 Mark II | Pentax 645Z |
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| Lens Mounting Type | Micro Four Thirds | Pentax 645AF |
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| FOCUSING | Olympus OM-D E-M1 Mark II | Pentax 645Z |
|---|
| Auto Focus | TTL contrast and phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 121 | 27 |
| Auto Focus Features | Focus Peaking function | - |
| AE/AF Control | Face-priority AF, Eye detection AF | - |
| Face Detection | Eye Detect AF, face-priority AF function | - |
| VIEWFINDER | Olympus OM-D E-M1 Mark II | Pentax 645Z |
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| Viewfinder Type | Electronic - LCD | Optical - trapezoid prism |
|---|---|---|
| Viewfinder Colour Support | Colour | - |
| Viewfinder Resolution | 2,360,000 pixels | - |
| Optical Viewfinder Field Coverage | 100% | 98% |
| Optical Viewfinder Magnification | - | 0.62x |
| Optical Viewfinder Dioptric Correction Range | -4 to +2 | -3.5 to +2 |
| Field of View Crop Factor | 2 | 1.3 |
| EXPOSURE & WHITE BALANCE | Olympus OM-D E-M1 Mark II | Pentax 645Z |
|---|
| ISO (Max) | 25600 | 204800 |
|---|---|---|
| Native ISO | 200-6400 | 100-204800 |
| Extended ISO (Max) | 25600 | - |
| Extended ISO (Min) | 64 | - |
| Light Sensitivity | ISO auto (64-6400), ISO 64-25600 | ISO auto (100-204800), ISO 100-248000 |
| 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, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority |
| Bracketing Modes | Art Filter bracketing, focus bracketing, ISO sensitivity bracketing, Flash Exposure Bracketing, white balance bracketing | - |
| Special Effects | Monotone, Black & White Red filter, Black & White Yellow filter, Vivid, Custom Effect, Black & White Orange filter, soft focus, natural, Black & White Green filter, Muted, portrait, Water Colour, Diorama, Cross Process, partial colour, Grainy Film, Light Tone, Pop Art, Pale & Light Colour, pin hole, Gentle Sepia, i-Enhance, Dramatic Tone, High Key, Low Key, Key Line, Vintage | Natural, bright, Vibrant, monochrome, Muted, landscape, portrait, Cross Process, Bleach Bypass, Radiant, Reversal Film |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Incandescent, fluorescent, cloudy, sunlight, Flash, shade, Underwater, 2000K - 14000K | Tungsten light, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (warm white), fluorescent light (daylight colour), fluorescent light (daylight white) |
| Shutter Type | Mechanical | Electronic |
| Max Shutter Speed | 1/32000 sec | 1/4000 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 | 5 steps in 1/3, 2/3 or 1 EV steps | - |
| White Balance Bracketing | Yes | - |
| X-sync Speed | 1/250sec | 1/125sec |
| Exposure Range | EV 2-20 (ISO 100) | EV -1-21 (ISO 200) |
| DISPLAY | Olympus OM-D E-M1 Mark II | Pentax 645Z |
|---|
| 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 | Folding |
| Display Features | Display brightness control, display colour control | Display brightness control, display colour control |
| FLASH | Olympus OM-D E-M1 Mark II | Pentax 645Z |
|---|
| Camera Flash | Hot-shoe clip-on flash | - |
|---|---|---|
| Guide Number (m / ISO 100) | 9.1 | - |
| Flash Modes | Fill-in mode, rear curtain sync, red-eye reduction, slow sync | - |
| Red-Eye Reduction | Yes | - |
| Features | Flash +/- compensation | - |
| External Flash Name | Olympus FL-LM3 | - |
| VIDEOGRAPHY / CAMCORDER | Olympus OM-D E-M1 Mark II | Pentax 645Z |
|---|
| Digital Video Format | MJPEG, H.264 | MJPEG, H.264 |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG | JPEG, RAW, RAW + JPEG |
| Max Video Resolution | 4096 x 2160 | 1920 x 1080 |
| Microphone Operation Mode | Stereo | - |
| Microphone Features | Wind noise reduction | - |
| MEMORY | Olympus OM-D E-M1 Mark II | Pentax 645Z |
|---|
| Memory Card Slot | Dual 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, 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 |
| Memory Card Included | No | No |
| Image Storage | 5184 x 3888 | - |
| Video Capture | 4096 x 2160 p - 24 fps - 237Mbps 3840 x 2160 p - 30 fps 3840 x 2160 p - 25 fps 3840 x 2160 p - 24 fps 1920 x 1080 p - 30 fps 1920 x 1080 p - 25 fps 1920 x 1080 p - 24 fps 1920 x 1080 p - 60 fps 1920 x 1080 p - 50 fps 1280 x 720 p - 60 fps 1280 x 720 p - 50 fps 1280 x 720 p - 30 fps 1280 x 720 p - 25 fps 1280 x 720 p - 24 fps |
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| BATTERY AND CHARGING | Olympus OM-D E-M1 Mark II | Pentax 645Z |
|---|
| Battery Type | Olympus BLH-1 Lithium Ion | Pentax D-Li90 Lithium Ion |
|---|---|---|
| Details | Olympus BLH-1 Li-ion rechargeable battery (included) | Pentax D-Li90 Li-ion rechargeable battery (included) |
| Battery Life | - | Photo shooting - 650 shots Playback - 6.67 hours |
| CONNECTIONS | Olympus OM-D E-M1 Mark II | Pentax 645Z |
|---|
| Interface | HDMI, USB 3.0, Wireless LAN | HDMI, USB 3.0 |
|---|---|---|
| Connectivity Features | Remote control via mobile devices, remote live view | - |
| Print Standard | Exif Print support | - |
| Flash Terminal | Hot shoe | Hot shoe |
| Connector Type | 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 |
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 |
| FEATURES | Olympus OM-D E-M1 Mark II | Pentax 645Z |
|---|
| Self-Timer Delay | 2sec, 12sec | 2sec, 12sec |
|---|---|---|
| Continuous Shooting Speed | 10 frames per second, 15 frames per second, 60 frames per second, 18 frames per second | 3 frames per second, 4.5 frames per second |
| HDR Mode | Auto HDR mode, HDR post-processing | - |
| Additional Features | Built-in speaker, histogram display, shadow point display, highlight point display, digital tele-converter, in-camera RAW processing, HDR image enhancement technology, Eye-Fi Card Ready, Time-Lapse recording, noise reduction over long exposures, high ISO speed noise reduction, Focus Stacking | 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 |
| OTHERS | Olympus OM-D E-M1 Mark II | Pentax 645Z |
|---|
| Included Accessories | Battery charger, shoulder strap, USB cable, cable clip | Carrying strap, battery charger, body cap, eyecup, shoe cap |
|---|---|---|
| Software | - | Drivers & Utilities |
| Max Operating Temperature | 40 °C | - |
| Min Operating Temperature | -10 °C | - |
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