In depth comparison and review of Pentax 645Z and Canon EOS R8 + RF 24-50mm F4.5-6.3 IS STM. 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 | Canon EOS R8 + RF 24-50mm F4.5-6.3 IS STM |
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| Product Type | Digital camera - 1080p - SLR with Live View mode, movie recording | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | Body only | RF 24-50mm F4.5-6.3 IS STM lens |
| Height | 11.7 cm | 8.61 cm |
| Width | 15.6 cm | 13.25 cm |
| Depth | 12.3 cm | 7 cm |
| Weight | 1.47 kg | 414 g |
| Weight Details | Camera body only: 1.47 kg Camera with battery and memory card: 1.55 kg |
Camera body only: 414 g Camera with battery and memory card: 461 g |
| Enclosure Colour | - | Black |
| Protection | Dust-resistant, water-resistant | - |
| Optical Zoom | - | 2x |
| SENSOR | Pentax 645Z | Canon EOS R8 + RF 24-50mm F4.5-6.3 IS STM |
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| Sensor Resolution | 51.4 Megapixel | 24.2 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | CMOS |
| Total Pixels | 52,990,000 pixels | 25,600,000 pixels |
| Effective Sensor Resolution | 51,400,000 pixels | 24,200,000 pixels |
| Optical Sensor Size | - | Full Frame (36 x 24 mm) |
| Frame Rate (Max Resolution) | 30 fps | 60 fps |
| Sensor Dust Reduction | Yes | - |
| Sensor Features | Dust Reduction (image sensor vibration) | Self Cleaning Sensor Unit |
| Image Stabiliser | - | Optical |
| Built-in Optical Image Stabiliser | - | Yes |
| PROCESSOR | Pentax 645Z | Canon EOS R8 + RF 24-50mm F4.5-6.3 IS STM |
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| Image Processor | - | DIGIC X |
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| LENS | Pentax 645Z | Canon EOS R8 + RF 24-50mm F4.5-6.3 IS STM |
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| Type | - | Zoom lens - 2x zoom - 24 - 50 mm - f/4.5-6.3 IS STM Canon RF - zoom |
|---|---|---|
| Focus Adjustment | - | Automatic, manual |
| Min Focus Distance | - | 30 cm |
| Max View Angle | - | 84 degree(s) |
| Zoom Adjustment | - | Manual |
| Lens Construction | - | 8 groups / 8 elements |
| Filter Size | - | 58 mm |
| Lens Mounting Type | Pentax 645AF | Canon RF |
| Features | - | Aspherical lens, Stepping Motor (STM) technology, built-in control ring |
| FOCUSING | Pentax 645Z | Canon EOS R8 + RF 24-50mm F4.5-6.3 IS STM |
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| Auto Focus | TTL contrast and phase detection | Dual Pixel CMOS AF |
|---|---|---|
| Auto Focus Points (Zones) Qty | 27 | 1053 |
| AE/AF Control | - | Face-priority AF, Subject-tracking AF, Eye detection AF, Head Detection AF, Animal detection AF, Vehicle-tracking AF |
| Face Detection | - | Eye Detect AF, face-priority AF function |
| VIEWFINDER | Pentax 645Z | Canon EOS R8 + RF 24-50mm F4.5-6.3 IS STM |
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| Viewfinder Type | Optical - trapezoid prism | Electronic - OLED |
|---|---|---|
| Viewfinder Colour Support | - | Colour |
| Viewfinder Diagonal Size | - | 0.39" |
| Viewfinder Resolution | - | 2,360,000 pixels |
| Optical Viewfinder Field Coverage | 98% | 100% |
| Optical Viewfinder Magnification | 0.62x | 0.70x |
| Optical Viewfinder Dioptric Correction Range | -3.5 to +2 | -4 to +1 |
| Viewfinder Information | - | Exposure compensation, aperture, white balance, image stabilizer, battery status, highlight tone priority, picture mode, ISO sensitivity, memory card status, AF status, electronic level, maximum burst, shooting mode, drive mode, metering mode |
| Field of View Crop Factor | 1.3 | - |
| EXPOSURE & WHITE BALANCE | Pentax 645Z | Canon EOS R8 + RF 24-50mm F4.5-6.3 IS STM |
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| ISO (Max) | 204800 | 204800 |
|---|---|---|
| Native ISO | 100-204800 | 100-102400 |
| Extended ISO (Max) | - | 204800 |
| Extended ISO (Min) | - | 50 |
| Light Sensitivity | ISO auto (100-204800), ISO 100-248000 | ISO 50, ISO 204800, ISO 100-102400 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Evaluative, centre-weighted, spot (3%), partial (5.9%) |
| Exposure Metering Zones | - | 384 |
| Exposure Modes | Programme, bulb, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority | Programme, bulb, automatic, manual, aperture-priority, shutter-priority, E-TTL II program flash, flexible-priority AE, hybrid auto, scene intelligent auto, special scenes, creative filters, custom |
| Bracketing Modes | - | Focus bracketing, white balance bracketing |
| Special Effects | Natural, bright, Vibrant, monochrome, Muted, landscape, portrait, Cross Process, Bleach Bypass, Radiant, Reversal Film | Neutral, Faithful, monochrome, landscape, portrait, Standard, Fine Detail |
| 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) | Cloudy, tungsten light, Flash, daylight, shade, fluorescent light (white) |
| Shutter Type | Electronic | Electronic, mechanical electronically-controlled |
| Max Shutter Speed | 1/4000 sec | 1/16000 sec |
| Min Shutter Speed | 30 sec | 30 sec |
| Exposure Compensation | ±5 EV range, in 1/2 or 1/3 EV steps | ±3 EV range, in 1/2 or 1/3 EV steps |
| Auto Exposure Bracketing | - | 3 steps in 1/2 or 1/3 EV steps |
| White Balance Bracketing | - | Yes |
| X-sync Speed | 1/125sec | 1/200sec |
| Exposure Range | EV -1-21 (ISO 200) | EV -3-20 (ISO 100) |
| DISPLAY | Pentax 645Z | Canon EOS R8 + RF 24-50mm F4.5-6.3 IS STM |
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| Type | 3.2" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | - | Yes |
| Display Format | 1,037,000 pixels | 1,620,000 pixels |
| Display Form Factor | Folding | Rotating |
| Display Features | Display brightness control, display colour control | Display brightness control |
| VIDEOGRAPHY / CAMCORDER | Pentax 645Z | Canon EOS R8 + RF 24-50mm F4.5-6.3 IS STM |
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| Digital Video Format | MJPEG, H.264 | H.264, AVC, HEVC, H.265, MP4 |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG | JPEG, RAW, C-RAW, HEIF |
| Max Video Resolution | 1920 x 1080 | 3840 x 2160 |
| Audio Signal Format | - | Linear PCM, AAC |
| Microphone Operation Mode | - | Stereo |
| MEMORY | Pentax 645Z | Canon EOS R8 + RF 24-50mm F4.5-6.3 IS STM |
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| 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-II Memory Card, SDXC UHS-II Memory Card |
| Memory Card Included | No | No |
| Video Capture | - | 3840 x 2160 - 59.94 fps 3840 x 2160 - 50 fps 3840 x 2160 - 29.97 fps 3840 x 2160 - 25 fps 3840 x 2160 - 23.98 fps 1920 x 1080 - 179.82 fps 1920 x 1080 - 150 fps 1920 x 1080 - 119.9 fps 1920 x 1080 - 100 fps 1920 x 1080 - 59.94 fps 1920 x 1080 - 50 fps 1920 x 1080 - 29.97 fps 1920 x 1080 - 25 fps 1920 x 1080 - 23.98 fps |
| BATTERY AND CHARGING | Pentax 645Z | Canon EOS R8 + RF 24-50mm F4.5-6.3 IS STM |
|---|
| Battery Type | Pentax D-Li90 Lithium Ion | Canon LP-E17 Lithium Ion |
|---|---|---|
| Details | Pentax D-Li90 Li-ion rechargeable battery (included) | Canon LP-E17 Li-ion rechargeable battery - 1040 mAh (included) |
| Battery Life | Photo shooting - 650 shots Playback - 6.67 hours |
Photo shooting - 370 shots (LCD Monitor on) Photo shooting - 220 shots (viewfinder) |
| CONNECTIONS | Pentax 645Z | Canon EOS R8 + RF 24-50mm F4.5-6.3 IS STM |
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| Interface | HDMI, USB 3.0 | HDMI, USB 3.2 Gen 2, IEEE 802.11b/g/n, Bluetooth 4.2 |
|---|---|---|
| Connectivity Features | - | Remote control via mobile devices, Live streaming, wireless video upload to cloud server, wireless image upload to cloud server |
| Print Standard | - | DPOF support |
| Computer Connectivity | - | Mac, Windows |
| Flash Terminal | 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 3.2 Gen 2 (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 (E3) |
| FEATURES | Pentax 645Z | Canon EOS R8 + RF 24-50mm F4.5-6.3 IS STM |
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| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec |
|---|---|---|
| Continuous Shooting Speed | 3 frames per second, 4.5 frames per second | - |
| HDR Mode | - | Moving Subject HDR, HDR PQ |
| 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 | RGB primary colour filter, AE lock, AF lock, Dust Delete Data system, in-camera RAW processing, weatherproof, HDR image enhancement technology, auto white balance, 4K time-lapse movie recording, RAW burst mode, movie digital IS, Canon Log 3, Depth Compositing |
| OTHERS | Pentax 645Z | Canon EOS R8 + RF 24-50mm F4.5-6.3 IS STM |
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| Included Accessories | Carrying strap, battery charger, body cap, eyecup, shoe cap | Battery charger, dust cap, lens cap, neck strap, battery cover, shoe cap, camera cover |
|---|---|---|
| Software | Drivers & Utilities | Canon EOS Utility |
| Max Operating Temperature | - | 40 °C |
| Min Operating Temperature | - | 0 °C |
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