In depth comparison and review of Canon EOS RP and Pentax K-3 Mark III. 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 | Canon EOS RP | Pentax K-3 Mark III |
|---|
| Product Type | Digital camera - 4K - mirrorless system with Live View mode, movie recording | Digital camera - 4K - SLR with Live View mode, movie recording |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 8.5 cm | 10.35 cm |
| Width | 13.25 cm | 13.45 cm |
| Depth | 7 cm | 7.35 cm |
| Weight | 440 g | 735 g |
| Weight Details | Camera body only: 440 g Camera with battery and memory card: 485 g |
Camera body only: 735 g Camera with battery and memory card: 820 g |
| Body Material | Aluminium, magnesium alloy, fibreglass-reinforced polycarbonate resin | Magnesium alloy |
| Enclosure Colour | - | Black | Silver |
| Protection | Dust-resistant, water-resistant | Weatherproof, dust-resistant |
| Navigation | - | GPS receiver |
| SENSOR | Canon EOS RP | Pentax K-3 Mark III |
|---|
| Sensor Resolution | 26.2 Megapixel | 25.73 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | CMOS |
| Total Pixels | 27,100,000 pixels | 26,780,000 pixels |
| Effective Sensor Resolution | 26,200,000 pixels | 25,730,000 pixels |
| Optical Sensor Size | Full Frame (35.9 x 24 mm) | APS-C (23.3 x 15.5 mm) |
| Frame Rate (Max Resolution) | 25 fps | 30 fps |
| Sensor Dust Reduction | Yes | - |
| Sensor Features | Self Cleaning Sensor Unit | Dust Reduction (image sensor vibration), anti-aliasing simulator function |
| Image Stabiliser | - | Optical SR II (5-axis image sensor shift mechanism) |
| Built-in Optical Image Stabiliser | - | Yes |
| Sensors | - | Digital level metre |
| PROCESSOR | Canon EOS RP | Pentax K-3 Mark III |
|---|
| Image Processor | DIGIC 8 | - |
|---|
| LENS | Canon EOS RP | Pentax K-3 Mark III |
|---|
| Lens Mounting Type | Canon RF | Pentax K |
|---|
| FOCUSING | Canon EOS RP | Pentax K-3 Mark III |
|---|
| Auto Focus | Dual Pixel CMOS AF | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 4779 | 101 |
| Auto Focus Features | Focus Peaking function | - |
| AE/AF Control | Face-priority AF, Subject-tracking AF, Eye detection AF, Zone AF | Auto-area AF, Zone AF, Expanded area AF |
| Face Detection | Eye Detect AF, Face Detection AF/AE | Yes |
| VIEWFINDER | Canon EOS RP | 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 | 0.70x | 1.05x |
| Optical Viewfinder Dioptric Correction Range | -4 to +1 | -4 to +1 |
| Viewfinder Information | Shutter speed, exposure compensation, flash charge completion, aperture, white balance, battery status, high-speed sync indicator, highlight tone priority, ISO sensitivity, AF point, flicker detection, metering mode | - |
| Field of View Crop Factor | 1.0 | - |
| Features | Viewfinder brightness control | Auto eye sensor |
| EXPOSURE & WHITE BALANCE | Canon EOS RP | Pentax K-3 Mark III |
|---|
| ISO (Max) | 102400 | 1600000 |
|---|---|---|
| Native ISO | 100-40000 | - |
| Extended ISO (Max) | 51200 (H1), 102400 (H2) | - |
| Extended ISO (Min) | 50 | - |
| Light Sensitivity | ISO 50, ISO 102400, ISO 51200, ISO 100-40000 | ISO auto, ISO 100-1600000 |
| Exposure Metering | Evaluative, centre-weighted, spot (2.7%), partial (5.5%) | 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, Flash Exposure Bracketing, white balance bracketing | Depth of field bracketing, motion bracketing |
| Shooting Programs | Landscape, portrait mode, close-up, night portrait, food, panning, sports mode, kids, backlight correction HDR, handheld night scene, group photo | - |
| Special Effects | Neutral, Custom Effect, 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 | Mechanical electronically-controlled | Electronic, mechanical electronically-controlled |
| Max Shutter Speed | 1/4000 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 | 1/180 sec | 1/200sec |
| Exposure Range | EV -3-20 (ISO 100) | EV -3-20 (ISO 100) |
| DISPLAY | Canon EOS RP | Pentax K-3 Mark III |
|---|
| Type | 3" LCD display | 3.2" LCD display |
|---|---|---|
| Touch Screen | Yes | Yes |
| Display Format | 1,040,000 pixels | 1,620,000 pixels |
| Display Form Factor | Rotating | Built-in |
| Display Features | Display brightness control, display colour control, anti-smudge coating | Colour control, contrast control, display brightness control, night vision LCD display |
| VIDEOGRAPHY / CAMCORDER | Canon EOS RP | Pentax K-3 Mark III |
|---|
| Digital Video Format | H.264 | H.264, MOV |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG, C-RAW | 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 RP | Pentax K-3 Mark III |
|---|
| Memory Card Slot | 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 | RAW 6240 x 4160 RAW 3888 x 2592 RAW 5536 x 4160 RAW 6240 x 3504 RAW 4160 x 4160 JPEG 6240 x 4160 JPEG 4160 x 2768 JPEG 3120 x 2080 JPEG 2400 x 1600 JPEG 3888 x 2592 JPEG 2400 x 1600 JPEG 5536 x 4160 JPEG 3680 x 2768 JPEG 2768 x 2080 JPEG 2112 x 1600 JPEG 6240 x 3504 JPEG 4160 x 2336 JPEG 3120 x 1752 JPEG 2400 x 1344 JPEG 4160 x 4160 JPEG 2768 x 2768 JPEG 2080 x 2080 JPEG 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 | H.264 - 3840 x 2160 p - 25 fps - 120Mbps H.264 - 3840 x 2160 p - 23.98 fps - 120Mbps H.264 - 1920 x 1080 p - 59.94 fps - 60Mbps H.264 - 1920 x 1080 p - 50 fps - 60Mbps H.264 - 1920 x 1080 p - 29.97 fps - 30Mbps H.264 - 1920 x 1080 p - 25 fps - 30Mbps H.264 - 1920 x 1080 p - 29.97 fps - 12Mbps H.264 - 1920 x 1080 p - 25 fps - 12Mbps H.264 - 1280 x 720 p - 59.94 fps - 26Mbps H.264 - 1280 x 720 p - 50 fps - 26Mbps H.264 - 1280 x 720 p - 29.97 fps - 13Mbps H.264 - 1280 x 720 p - 25 fps - 13Mbps |
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 RP | Pentax K-3 Mark III |
|---|
| Battery Type | Canon LP-E17 Lithium Ion | Pentax D-Li90 Lithium Ion |
|---|---|---|
| Details | Canon LP-E17 Li-ion rechargeable battery (included) | Pentax D-Li90 Li-ion rechargeable battery (included) |
| Battery Life | Photo shooting - 250 shots (at 23 °C (Live View mode)) Photo shooting - 240 shots (at 0 °C (Live View mode)) Photo shooting - 210 shots (at 0 °C (LCD Monitor off)) Photo shooting - 200 shots (at 0 °C (LCD Monitor off)) |
Photo shooting - 800 shots Playback - 250 minutes |
| CONNECTIONS | Canon EOS RP | Pentax K-3 Mark III |
|---|
| Interface | HDMI, USB 2.0, IEEE 802.11b/g/n, Bluetooth | HDMI, USB-C, IEEE 802.11b/g/n, Bluetooth 4.2 |
|---|---|---|
| Connectivity Features | Remote control via mobile devices, remote live view, Wireless Image Transfer, wireless image printing | Remote control via mobile devices, remote live view, Wireless Image Transfer |
| Print Standard | Direct print, DPOF support, Exif Print support, PictBridge support | Exif Print support |
| Computer Connectivity | Mac, Windows | Mac, Windows |
| Flash Terminal | Hot shoe | Hot shoe, PC terminal |
| Connector Type | USB 3.1 (USB Type-C) HDMI output (19 pin mini HDMI Type C) Audio line-in / microphone (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) Remote control |
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 RP | Pentax K-3 Mark III |
|---|
| Self-Timer Delay | 10 sec, 2sec | 2sec, 12sec |
|---|---|---|
| Continuous Shooting Speed | 4 frames per second, 5 frames per second, 2.6 frames per second, 2.3 frames per second (3MP) | 2.5 frames per second, 12 frames per second, 7 frames per second |
| HDR Mode | HDR Movie mode | Auto HDR mode |
| Additional Features | RGB primary colour filter, auto power save, depth-of-field preview button, camera orientation detection, histogram display, AE lock, AF lock, cropping an image, resizing an image, highlight tone priority, GPS ready, interval shooting mode, highlight point display, Dust Delete Data system, USB charging, Auto Lighting Optimizer, in-camera RAW processing, peripheral illumination correction, HDR image enhancement technology, Scene Intelligent Auto technology, Touch Shutter technology, Time-Lapse recording, Dual Axis Electronic Level, noise reduction over long exposures, high ISO speed noise reduction, silent shooting, GPS via mobile, Dual Pixel CMOS AF technology, distortion correction function, Optical Low Pass Filter (OLFP), diffraction correction, Flicker detection, multiple exposure capture, Digital Lens Optimizer, chromatic aberration correction, anti-flicker, firmware upgradable | 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 RP | Pentax K-3 Mark III |
|---|
| Included Accessories | Battery charger, body cap, neck strap | Eyepiece cover, carrying strap, battery charger, body cap, USB cable, eyecup, shoe cap, sync terminal cover |
|---|---|---|
| Software | Canon Digital Photo Professional | Digital Camera Utility 5 |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | 0 °C | -10 °C |
| Service & Support | Limited warranty - 2 years | Limited warranty - 1 year |
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