Detailed comparison and review of Pentax K-3 and Canon EOS R6 Mark II. 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 | Pentax K-3 | Canon EOS R6 Mark II |
|---|
| Product Type | Digital camera - SLR with movie recording | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 10 cm | 9.84 cm |
| Width | 13.15 cm | 13.84 cm |
| Depth | 7.75 cm | 8.84 cm |
| Weight | 715 g | 588 g |
| Weight Details | - | Camera body only: 588 g Camera with battery and memory card: 670 g |
| Body Material | Magnesium alloy | - |
| Enclosure Colour | Black | Black |
| Protection | Weatherproof, freezeproof, dust-resistant | - |
| SENSOR | Pentax K-3 | Canon EOS R6 Mark II |
|---|
| Sensor Resolution | 23.35 Megapixel | 24.2 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | CMOS |
| Total Pixels | 24,710,000 pixels | 25,600,000 pixels |
| Effective Sensor Resolution | 23,350,000 pixels | 24,200,000 pixels |
| Optical Sensor Size | APS-C (23.5 x 15.6 mm) | Full Frame (36 x 24 mm) |
| Frame Rate (Max Resolution) | - | 60 fps |
| Sensor Dust Reduction | - | Yes |
| Sensor Features | Dust Reduction (image sensor vibration), anti-aliasing simulator function | Self Cleaning Sensor Unit |
| Image Stabiliser | Optical (image sensor shift mechanism) | Optical (5-axis image sensor shift mechanism) |
| Built-in Optical Image Stabiliser | Yes | Yes |
| Sensors | Dust alert sensor, digital level metre | - |
| PROCESSOR | Pentax K-3 | Canon EOS R6 Mark II |
|---|
| Image Processor | PRIME III | DIGIC X |
|---|
| LENS | Pentax K-3 | Canon EOS R6 Mark II |
|---|
| Lens Mounting Type | Pentax K | Canon RF |
|---|
| FOCUSING | Pentax K-3 | Canon EOS R6 Mark II |
|---|
| Auto Focus | TTL phase detection | Dual Pixel CMOS AF |
|---|---|---|
| Auto Focus Points (Zones) Qty | 27 | 4897 |
| AE/AF Control | - | 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 | 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 | 0.95x | 0.76x |
| Optical Viewfinder Dioptric Correction Range | -2.5 to +1.5 | -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 |
| Interchangeable Focusing Screens | Yes | - |
| EXPOSURE & WHITE BALANCE | Pentax K-3 | Canon EOS R6 Mark II |
|---|
| ISO (Max) | 51200 | 204800 |
|---|---|---|
| Native ISO | 100-51200 | 100-102400 |
| Extended ISO (Max) | - | 204800 |
| Extended ISO (Min) | - | 50 |
| Light Sensitivity | ISO 100-51200, ISO auto (100-51200) | 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, 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 |
| Special Effects | Soft, Slim, Pastel, fisheye, natural, bright, Vibrant, Sketch, monochrome, Muted, landscape, portrait, Water Colour, miniature, Cross Process, Retro, Colour Extract, Toy camera, starburst, High contrast, Colour Invert, Bleach Bypass, Posterisation, Radiant, Reversal Film, Shading, Tone Expansion, Bold Monochrome, Unicolour Bold | Neutral, Faithful, monochrome, landscape, portrait, Standard, Fine Detail |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Cloudy, tungsten light, Flash, 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 | 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 | 2, 3 or 5 steps | 3 steps in 1/2 or 1/3 EV steps |
| X-sync Speed | 1/180 sec | 1/250sec |
| Exposure Range | EV -3-20 (ISO 100) | EV -3-20 (ISO 100) |
| DISPLAY | Pentax K-3 | Canon EOS R6 Mark II |
|---|
| Type | 3.2" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | - | Yes |
| Display Format | 1,037,000 pixels | 1,620,000 pixels |
| Display Form Factor | Built-in | Rotating |
| Display Features | Colour control | Display brightness control, anti-smudge coating |
| FLASH | Pentax K-3 | Canon EOS R6 Mark II |
|---|
| Camera Flash | Pop-up flash | - |
|---|---|---|
| Guide Number (m / ISO 100) | 13 | - |
| 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, flash +/- compensation, wireless off-camera control | - |
| VIDEOGRAPHY / CAMCORDER | Pentax K-3 | Canon EOS R6 Mark II |
|---|
| Digital Video Format | AVI, MJPEG, H.264 | H.264, H.265 |
|---|---|---|
| Image Recording Format | JPEG, DNG (RAW) + JPEG, DNG (RAW) | JPEG, RAW, RAW + JPEG, C-RAW, HEIF, RAW + HEIF, CR3 (RAW) |
| Max Video Resolution | 1920 x 1080 | 3840 x 2160 |
| Audio Signal Format | - | Linear PCM, AAC |
| Microphone Operation Mode | Mono | Stereo |
| Microphone Features | Sensitivity control | - |
| MEMORY | Pentax K-3 | 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 | SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-II Memory Card, SDXC UHS-II Memory Card |
| Memory Card Included | - | No |
| Image Storage | RAW 6016 x 4000 JPEG 6016 x 4000 JPEG 4608 x 3072 JPEG 3072 x 2048 JPEG 1920 x 1280 |
- |
| Video Capture | H.264 - 1920 x 1080 - 30 fps H.264 - 1920 x 1080 - 25 fps H.264 - 1920 x 1080 - 24 fps H.264 - 1280 x 720 - 60 fps H.264 - 1280 x 720 - 50 fps H.264 - 1280 x 720 - 30 fps H.264 - 1280 x 720 - 25 fps H.264 - 1280 x 720 - 24 fps H.264 - 1920 x 1080 - 60 fps H.264 - 1920 x 1080 - 50 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 | 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 - 560 shots (50% flash usage) Photo shooting - 720 shots (flash off) Playback - 6.2 hours |
Photo shooting - 760 shots (LCD Monitor on) Photo shooting - 450 shots (viewfinder) |
| CONNECTIONS | Pentax K-3 | Canon EOS R6 Mark II |
|---|
| Interface | HDMI, USB 3.0 | 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, wireless video upload to cloud server, wireless image upload to cloud server |
| Print Standard | Exif Print support | DPOF support |
| Computer Connectivity | - | Mac, Windows |
| Flash Terminal | Hot shoe | Hot shoe |
| Connector Type | USB 2.0 HDMI output Microphone Headphones Remote control |
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 | Canon EOS R6 Mark II |
|---|
| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec |
|---|---|---|
| Continuous Shooting Speed | 8.3 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, digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, cropping an image, resizing an image, saturation control, GPS ready, interval shooting mode, mirror lock, in-camera RAW processing, peripheral illumination correction, HDR image enhancement technology, Shade Correction, Eye-Fi Card Ready, NR Slow Shutter, High ISO NR, Dynamic Range Compensation, no anti-aliasing filter, Lens Distortion Correction, primary colour filter, Interval Movie Record, Automatic composition correction function, colour moire correction, Lateral Chromatic Aberration Correction, Flucard Ready | 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 | Canon EOS R6 Mark II |
|---|
| Included Accessories | Battery charger, body cap, shoulder strap, USB cable, eyecup, shoe cap, battery grip terminal cover, sync terminal cover | Battery charger, neck strap, shoe cap, camera cover |
|---|---|---|
| Software | Drivers & Utilities | Canon EOS Utility |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | -10 °C | 0 °C |
| Service & Support | - | Limited warranty - 2 years |
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