Side by side comparison and review of Pentax K-3 Mark III and Canon EOS R6 Mark 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 | Pentax K-3 Mark III | Canon EOS R6 Mark II |
|---|
| Product Type | Digital camera - 4K - SLR with Live View mode, movie recording | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 10.35 cm | 9.84 cm |
| Width | 13.45 cm | 13.84 cm |
| Depth | 7.35 cm | 8.84 cm |
| Weight | 735 g | 588 g |
| Weight Details | Camera body only: 735 g Camera with battery and memory card: 820 g |
Camera body only: 588 g Camera with battery and memory card: 670 g |
| Body Material | Magnesium alloy | - |
| Enclosure Colour | Black | Silver | Black |
| Protection | Weatherproof, dust-resistant | - |
| Navigation | GPS receiver | - |
| SENSOR | Pentax K-3 Mark III | Canon EOS R6 Mark II |
|---|
| Sensor Resolution | 25.73 Megapixel | 24.2 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | CMOS |
| Total Pixels | 26,780,000 pixels | 25,600,000 pixels |
| Effective Sensor Resolution | 25,730,000 pixels | 24,200,000 pixels |
| Optical Sensor Size | APS-C (23.3 x 15.5 mm) | 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), anti-aliasing simulator function | Self Cleaning Sensor Unit |
| Image Stabiliser | Optical SR II (5-axis image sensor shift mechanism) | Optical (5-axis image sensor shift mechanism) |
| Built-in Optical Image Stabiliser | Yes | Yes |
| Sensors | Digital level metre | - |
| PROCESSOR | Pentax K-3 Mark III | Canon EOS R6 Mark II |
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| Image Processor | - | DIGIC X |
|---|
| LENS | Pentax K-3 Mark III | Canon EOS R6 Mark II |
|---|
| Lens Mounting Type | Pentax K | Canon RF |
|---|
| FOCUSING | Pentax K-3 Mark III | Canon EOS R6 Mark II |
|---|
| Auto Focus | TTL contrast and phase detection | Dual Pixel CMOS AF |
|---|---|---|
| Auto Focus Points (Zones) Qty | 101 | 4897 |
| AE/AF Control | Auto-area AF, Zone AF, Expanded area AF | Subject-tracking AF, Eye detection AF, Movie Servo AF, Zone AF, Face Only AF, Animal detection AF, right/left eye select |
| Face Detection | Yes | Eye Detect AF, Face Detection AF/AE |
| VIEWFINDER | Pentax K-3 Mark III | Canon EOS R6 Mark II |
|---|
| Viewfinder Type | Optical - fixed eye-level pentaprism | Electronic - OLED |
|---|---|---|
| Viewfinder Colour Support | - | Colour |
| Viewfinder Diagonal Size | - | 0.5" |
| Viewfinder Resolution | - | 3,690,000 pixels |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 1.05x | 0.76x |
| Optical Viewfinder Dioptric Correction Range | -4 to +1 | -4 to +2 |
| Viewfinder Information | - | Exposure compensation, white balance, image stabilizer, battery status, highlight tone priority, picture mode, ISO sensitivity, memory card status, AF point, electronic level, maximum burst, shooting mode, drive mode, metering mode |
| Features | Auto eye sensor | - |
| EXPOSURE & WHITE BALANCE | Pentax K-3 Mark III | Canon EOS R6 Mark II |
|---|
| ISO (Max) | 1600000 | 204800 |
|---|---|---|
| Native ISO | - | 100-102400 |
| Extended ISO (Max) | - | 204800 |
| Extended ISO (Min) | - | 50 |
| Light Sensitivity | ISO auto, ISO 100-1600000 | ISO 50, ISO 204800, ISO 100-102400 |
| Exposure Metering | Multi-segment, centre-weighted, spot, highlight-weighted | Evaluative, centre-weighted, spot (3%), partial (5.9%) |
| Exposure Metering Zones | - | 384 |
| Exposure Modes | Programme, bulb, automatic, 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, scene intelligent auto, custom |
| Bracketing Modes | Depth of field bracketing, motion bracketing | - |
| Special Effects | 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 | Neutral, Faithful, monochrome, landscape, portrait, Standard, Fine Detail |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Cloudy, tungsten light, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Color Temperature Enhancement (CTE), fluorescent light (daylight white) | Cloudy, tungsten light, Flash, daylight, shade, fluorescent light (white) |
| Shutter Type | Electronic, mechanical electronically-controlled | Electronic, mechanical electronically-controlled |
| Max Shutter Speed | 1/8000 sec | 1/8000 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 |
| X-sync Speed | 1/200sec | 1/250sec |
| Exposure Range | EV -3-20 (ISO 100) | EV -3-20 (ISO 100) |
| DISPLAY | Pentax K-3 Mark III | Canon EOS R6 Mark II |
|---|
| Type | 3.2" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | Yes | Yes |
| Display Format | 1,620,000 pixels | 1,620,000 pixels |
| Display Form Factor | Built-in | Rotating |
| Display Features | Colour control, contrast control, display brightness control, night vision LCD display | Display brightness control, anti-smudge coating |
| VIDEOGRAPHY / CAMCORDER | Pentax K-3 Mark III | Canon EOS R6 Mark II |
|---|
| Digital Video Format | H.264, MOV | H.264, H.265 |
|---|---|---|
| Image Recording Format | JPEG, DNG (RAW), PEF (RAW) | JPEG, RAW, RAW + JPEG, C-RAW, HEIF, RAW + HEIF, CR3 (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 | Pentax K-3 Mark III | Canon EOS R6 Mark II |
|---|
| 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-II Memory Card, SDXC UHS-II Memory Card |
| Memory Card Included | No | No |
| Image Storage | RAW 6192 x 4128 JPEG 6192 x 4128 JPEG 4752 x 3168 JPEG 3648 x 2432 JPEG 1920 x 1280 |
- |
| Video Capture | 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 |
H.264 - 3840 x 2160 p - 59.94 fps H.264 - 3840 x 2160 p - 50 fps H.264 - 3840 x 2160 p - 29.97 fps H.264 - 3840 x 2160 p - 25 fps H.264 - 3840 x 2160 p - 23.98 fps H.264 - 1920 x 1080 p - 179.82 fps H.264 - 1920 x 1080 p - 150 fps H.264 - 1920 x 1080 p - 119.88 fps H.264 - 1920 x 1080 p - 100 fps H.264 - 1920 x 1080 p - 59.94 fps H.264 - 1920 x 1080 p - 50 fps H.264 - 1920 x 1080 p - 23.98 fps H.264 - 1920 x 1080 p - 29.97 fps H.264 - 1920 x 1080 p - 25 fps H.265 - 3840 x 2160 p - 59.94 fps H.265 - 3840 x 2160 p - 50 fps H.265 - 3840 x 2160 p - 29.97 fps H.265 - 3840 x 2160 p - 25 fps H.265 - 3840 x 2160 p - 23.98 fps H.265 - 1920 x 1080 p - 179.82 fps H.265 - 1920 x 1080 p - 150 fps H.265 - 1920 x 1080 p - 119.88 fps H.265 - 1920 x 1080 p - 100 fps H.265 - 1920 x 1080 p - 59.94 fps H.265 - 1920 x 1080 p - 50 fps H.265 - 1920 x 1080 p - 29.97 fps H.265 - 1920 x 1080 p - 25 fps H.265 - 1920 x 1080 p - 23.98 fps |
| BATTERY AND CHARGING | Pentax K-3 Mark III | Canon EOS R6 Mark II |
|---|
| Battery Type | Pentax D-Li90 Lithium Ion | Canon LP-E6NH Lithium Ion |
|---|---|---|
| Details | Pentax D-Li90 Li-ion rechargeable battery (included) | Canon LP-E6NH Li-ion rechargeable battery (included) |
| Battery Life | Photo shooting - 800 shots Playback - 250 minutes |
Photo shooting - 760 shots (LCD Monitor on) Photo shooting - 450 shots (viewfinder) |
| CONNECTIONS | Pentax K-3 Mark III | Canon EOS R6 Mark II |
|---|
| Interface | HDMI, USB-C, IEEE 802.11b/g/n, Bluetooth 4.2 | HDMI, USB 3.2 Gen 2, IEEE 802.11b/g/n/ac, Bluetooth 5.0 |
|---|---|---|
| Connectivity Features | Remote control via mobile devices, remote live view, Wireless Image Transfer | Remote control via mobile devices, remote live view, Wireless Image Transfer, wireless video upload to cloud server, wireless image upload to cloud server |
| Print Standard | Exif Print support | DPOF support |
| Computer Connectivity | Mac, Windows | Mac, Windows |
| Flash Terminal | Hot shoe, PC terminal | Hot shoe |
| Connector Type | 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) |
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 K-3 Mark III | Canon EOS R6 Mark II |
|---|
| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec |
|---|---|---|
| Continuous Shooting Speed | 2.5 frames per second, 12 frames per second, 7 frames per second | 3 frames per second, 4.3 frames per second, 5 frames per second, 3.5 frames per second, 20 frames per second, 30 frames per second, 12 frames per second, 7 frames per second, 5.5 frames per second, 5.2 frames per second, 40 frames per second, 9.2 frames per second, 6.6 frames per second |
| HDR Mode | Auto HDR mode | - |
| Additional Features | 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 | RGB primary colour filter, histogram display, AE lock, AF lock, highlight point display, AF/AE tracking, HDR image enhancement technology, Touch Shutter technology, auto white balance, 4K time-lapse movie recording, RAW burst mode, movie digital IS, Canon Log 3, white balance shift |
| OTHERS | Pentax K-3 Mark III | Canon EOS R6 Mark II |
|---|
| Included Accessories | Eyepiece cover, carrying strap, battery charger, body cap, USB cable, eyecup, shoe cap, sync terminal cover | Battery charger, neck strap, shoe cap, camera cover |
|---|---|---|
| Software | Digital Camera Utility 5 | Canon EOS Utility |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | -10 °C | 0 °C |
| Service & Support | Limited warranty - 1 year | Limited warranty - 2 years |
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