Detailed comparison and review of Canon EOS R7 and Pentax K-3 Mark III. With our comprehensive overview, you can simply compare design, sensors, proximity characteristics, memory capacities, but also other key features of both cameras and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the camera that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Canon EOS R7 | Pentax K-3 Mark III |
|---|
| Product Type | Digital camera - 4K - mirrorless system | Digital camera - 4K - SLR with Live View mode, movie recording |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 9.04 cm | 10.35 cm |
| Width | 13.2 cm | 13.45 cm |
| Depth | 9.17 cm | 7.35 cm |
| Weight | 530 g | 735 g |
| Weight Details | Camera body only: 530 g Camera with battery and memory card: 612 g |
Camera body only: 735 g Camera with battery and memory card: 820 g |
| Body Material | Magnesium alloy, high-strength engineering plastic | Magnesium alloy |
| Enclosure Colour | - | Black | Silver |
| Protection | Dust-resistant, water-resistant | Weatherproof, dust-resistant |
| Navigation | - | GPS receiver |
| SENSOR | Canon EOS R7 | Pentax K-3 Mark III |
|---|
| Sensor Resolution | 32.5 Megapixel | 25.73 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | CMOS |
| Total Pixels | 34,400,000 pixels | 26,780,000 pixels |
| Effective Sensor Resolution | 32,500,000 pixels | 25,730,000 pixels |
| Optical Sensor Size | APS-C (22.3 x 14.8 mm) | APS-C (23.3 x 15.5 mm) |
| Frame Rate (Max Resolution) | 60 fps | 30 fps |
| Sensor Dust Reduction | Yes | - |
| Sensor Features | EOS Integrated Cleaning System | Dust Reduction (image sensor vibration), anti-aliasing simulator function |
| Image Stabiliser | Optical (image sensor shift mechanism) | Optical SR II (5-axis image sensor shift mechanism) |
| Built-in Optical Image Stabiliser | Yes | Yes |
| Sensors | - | Digital level metre |
| PROCESSOR | Canon EOS R7 | Pentax K-3 Mark III |
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| Image Processor | DIGIC X | - |
|---|
| LENS | Canon EOS R7 | Pentax K-3 Mark III |
|---|
| Lens Mounting Type | Canon RF | Pentax K |
|---|
| FOCUSING | Canon EOS R7 | Pentax K-3 Mark III |
|---|
| Auto Focus | Dual Pixel CMOS AF II | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 651 | 101 |
| AE/AF Control | Face-priority AF, Subject-tracking AF, Eye detection AF, Head Detection AF, Animal detection AF, Body detection AF, Vehicle-tracking AF | Auto-area AF, Zone AF, Expanded area AF |
| Face Detection | - | Yes |
| VIEWFINDER | Canon EOS R7 | Pentax K-3 Mark III |
|---|
| Viewfinder Type | Electronic - OLED | Optical - fixed eye-level pentaprism |
|---|---|---|
| Viewfinder Colour Support | Colour | - |
| Viewfinder Diagonal Size | 0.39" | - |
| Viewfinder Resolution | 2,360,000 pixels | - |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 1.15x | 1.05x |
| Optical Viewfinder Dioptric Correction Range | -4 to +2 | -4 to +1 |
| Field of View Crop Factor | 1.6 | - |
| Features | - | Auto eye sensor |
| EXPOSURE & WHITE BALANCE | Canon EOS R7 | Pentax K-3 Mark III |
|---|
| ISO (Max) | 25600 | 1600000 |
|---|---|---|
| Native ISO | 100-12800 | - |
| Extended ISO (Max) | 25600 | - |
| Light Sensitivity | ISO 100-12800, ISO auto (100-25600), ISO 16000-25600 | ISO auto, ISO 100-1600000 |
| Exposure Metering | Evaluative, centre-weighted, partial (5.8%), spot (2.9%) | Multi-segment, centre-weighted, spot, highlight-weighted |
| Exposure Metering Zones | 384 | - |
| Exposure Modes | Programme, bulb, automatic, manual, aperture-priority, shutter-priority, E-TTL II program flash | Programme, bulb, automatic, manual, aperture-priority, shutter-priority, ISO priority, shutter & aperture priority |
| Bracketing Modes | Focus bracketing, white balance bracketing | Depth of field bracketing, motion bracketing |
| Special Effects | Neutral, Faithful, monochrome, landscape, portrait, Standard, Fine Detail | Soft, Slim, fisheye, natural, bright, Vibrant, monochrome, Muted, Flat, landscape, portrait, miniature, Cross Process, Retro, Colour Extract, Toy camera, High contrast, Colour Invert, Bleach Bypass, Radiant, Reversal Film, Shading, Tone Expansion, Bold Monochrome, Unicolour Bold, Colour replace, Grainy Monochrome |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Cloudy, tungsten light, Flash, daylight, shade, fluorescent light (white) | Cloudy, tungsten light, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Color Temperature Enhancement (CTE), fluorescent light (daylight white) |
| Shutter Type | Electronic, mechanical electronically-controlled | Electronic, mechanical electronically-controlled |
| Max Shutter Speed | 1/16000 sec | 1/8000 sec |
| Min Shutter Speed | 30 sec | 30 sec |
| Exposure Compensation | ±3 EV range, in 1/2 or 1/3 EV steps | ±5 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 | 1/250sec, 1/320 sec | 1/200sec |
| Exposure Range | EV -2-20 (ISO 100) | EV -3-20 (ISO 100) |
| DISPLAY | Canon EOS R7 | Pentax K-3 Mark III |
|---|
| Type | 3" LCD display | 3.2" LCD display |
|---|---|---|
| Touch Screen | - | Yes |
| Display Format | 1,620,000 pixels | 1,620,000 pixels |
| Display Form Factor | Rotating | Built-in |
| Display Features | Display brightness control, display colour control | Colour control, contrast control, display brightness control, night vision LCD display |
| VIDEOGRAPHY / CAMCORDER | Canon EOS R7 | Pentax K-3 Mark III |
|---|
| Digital Video Format | MPEG-4, H.264, HEVC, H.265, MP4 | H.264, MOV |
|---|---|---|
| Image Recording Format | JPEG, RAW, C-RAW, HEIF | JPEG, DNG (RAW), PEF (RAW) |
| Max Video Resolution | 3840 x 2160 | 3840 x 2160 |
| Audio Signal Format | Linear PCM, AAC | - |
| Microphone Operation Mode | Stereo | Stereo |
| Microphone Features | - | Wind noise reduction, sensitivity control |
| MEMORY | Canon EOS R7 | Pentax K-3 Mark III |
|---|
| Memory Card Slot | Dual SD card | Dual SD card |
|---|---|---|
| Supported Memory Cards | SD Memory Card, SDXC Memory Card, SDHC 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, SDHC UHS-II Memory Card, SDXC UHS-II Memory Card |
| Memory Card Included | No | No |
| Image Storage | 6960 x 4640 4800 x 3200 3472 x 2320 2400 x 1600 6160 x 4640 4256 x 3200 3072 x 2320 2112 x 1600 6960 x 3904 4800 x 2688 3472 x 1952 2400 x 1344 4640 x 4640 3200 x 3200 2320 x 2320 1600 x 1600 |
RAW 6192 x 4128 JPEG 6192 x 4128 JPEG 4752 x 3168 JPEG 3648 x 2432 JPEG 1920 x 1280 |
| Video Capture | 3840 x 2160 p - 59.94 fps 3840 x 2160 p - 50 fps 3840 x 2160 p - 29.97 fps 3840 x 2160 p - 25 fps 3840 x 2160 p - 23.98 fps 1920 x 1080 p - 119.9 fps 1920 x 1080 p - 100 fps 1920 x 1080 p - 59.94 fps 1920 x 1080 p - 50 fps 1920 x 1080 p - 29.97 fps 1920 x 1080 p - 25 fps 1920 x 1080 p - 23.98 fps |
H.264 - 3840 x 2160 p - 30 fps H.264 - 3840 x 2160 p - 24 fps H.264 - 1920 x 1080 p - 60 fps H.264 - 1920 x 1080 p - 30 fps H.264 - 1920 x 1080 p - 24 fps |
| BATTERY AND CHARGING | Canon EOS R7 | Pentax K-3 Mark III |
|---|
| Battery Type | Canon LP-E6NH Lithium Ion | Pentax D-Li90 Lithium Ion |
|---|---|---|
| Details | Canon LP-E6NH Li-ion rechargeable battery (included) Canon LP-E6N Li-ion rechargeable battery (optional) Canon LP-E6 Li-ion rechargeable battery (optional) |
Pentax D-Li90 Li-ion rechargeable battery (included) |
| Battery Life | Photo shooting - 770 shots (LCD Monitor on) Photo shooting - 500 shots (EVF on) |
Photo shooting - 800 shots Playback - 250 minutes |
| CONNECTIONS | Canon EOS R7 | Pentax K-3 Mark III |
|---|
| Interface | HDMI, USB 3.2 Gen 2, IEEE 802.11b/g/n, Bluetooth 4.2 | HDMI, USB-C, IEEE 802.11b/g/n, Bluetooth 4.2 |
|---|---|---|
| Connectivity Features | Remote control via mobile devices, remote live view, Live streaming, wireless video upload to cloud server, wireless image upload to cloud server, wireless image printing | Remote control via mobile devices, remote live view, Wireless Image Transfer |
| Print Standard | DPOF support, Exif Print support, PictBridge support | Exif Print support |
| Computer Connectivity | - | Mac, Windows |
| Flash Terminal | - | Hot shoe, PC terminal |
| Connector Type | USB-C 3.2 Gen 2 (USB Type-C) HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone stereo 3.5 mm) Remote control Headphones (mini-phone stereo 3.5 mm) |
USB 3.2 Gen 1 (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 (sub-mini phone 2.5 mm) |
| FEATURES | Canon EOS R7 | Pentax K-3 Mark III |
|---|
| Self-Timer Delay | 10 sec, 2sec | 2sec, 12sec |
|---|---|---|
| Continuous Shooting Speed | 15 frames per second | 2.5 frames per second, 12 frames per second, 7 frames per second |
| HDR Mode | - | Auto HDR mode |
| Additional Features | RGB primary colour filter, depth-of-field preview button, camera orientation detection, histogram display, cropping an image, resizing an image, highlight point display, Auto Lighting Optimizer, in-camera RAW processing, peripheral illumination correction, HDR image enhancement technology, Scene Intelligent Auto technology, noise reduction over long exposures, high ISO speed noise reduction, distortion correction function, Optical Low Pass Filter (OLFP), diffraction correction, Digital Lens Optimizer, chromatic aberration correction, anti-flicker, firmware upgradable, Canon Log 3 | Audio recording, date/time stamp, digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, cropping an image, resizing an image, interval shooting mode, in-camera film editing, in-camera RAW processing, peripheral illumination correction, horizon correction, NR Slow Shutter, High ISO NR, Lens Distortion Correction, primary colour filter, Automatic composition correction function, colour moire correction, Lateral Chromatic Aberration Correction, diffraction correction, Pixel Shift Resolution technology, colour fringe correction, multiple exposure capture, GPS stamp, D-range correction |
| OTHERS | Canon EOS R7 | Pentax K-3 Mark III |
|---|
| Included Accessories | Battery charger, neck strap, EF-EOS R lens adapter | Eyepiece cover, carrying strap, battery charger, body cap, USB cable, eyecup, shoe cap, sync terminal cover |
|---|---|---|
| Software | - | Digital Camera Utility 5 |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | 0 °C | -10 °C |
| Service & Support | - | Limited warranty - 1 year |
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