Side by side comparison and review of Pentax K-3 and Canon EOS R7. 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 | Canon EOS R7 |
|---|
| Product Type | Digital camera - SLR with movie recording | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 10 cm | 9.04 cm |
| Width | 13.15 cm | 13.2 cm |
| Depth | 7.75 cm | 9.17 cm |
| Weight | 715 g | 530 g |
| Weight Details | - | Camera body only: 530 g Camera with battery and memory card: 612 g |
| Body Material | Magnesium alloy | Magnesium alloy, high-strength engineering plastic |
| Enclosure Colour | Black | - |
| Protection | Weatherproof, freezeproof, dust-resistant | Dust-resistant, water-resistant |
| SENSOR | Pentax K-3 | Canon EOS R7 |
|---|
| Sensor Resolution | 23.35 Megapixel | 32.5 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | CMOS |
| Total Pixels | 24,710,000 pixels | 34,400,000 pixels |
| Effective Sensor Resolution | 23,350,000 pixels | 32,500,000 pixels |
| Optical Sensor Size | APS-C (23.5 x 15.6 mm) | APS-C (22.3 x 14.8 mm) |
| Frame Rate (Max Resolution) | - | 60 fps |
| Sensor Dust Reduction | - | Yes |
| Sensor Features | Dust Reduction (image sensor vibration), anti-aliasing simulator function | EOS Integrated Cleaning System |
| Image Stabiliser | Optical (image sensor shift mechanism) | Optical (image sensor shift mechanism) |
| Built-in Optical Image Stabiliser | Yes | Yes |
| Sensors | Dust alert sensor, digital level metre | - |
| PROCESSOR | Pentax K-3 | Canon EOS R7 |
|---|
| Image Processor | PRIME III | DIGIC X |
|---|
| LENS | Pentax K-3 | Canon EOS R7 |
|---|
| Lens Mounting Type | Pentax K | Canon RF |
|---|
| FOCUSING | Pentax K-3 | Canon EOS R7 |
|---|
| Auto Focus | TTL phase detection | Dual Pixel CMOS AF II |
|---|---|---|
| Auto Focus Points (Zones) Qty | 27 | 651 |
| AE/AF Control | - | Face-priority AF, Subject-tracking AF, Eye detection AF, Head Detection AF, Animal detection AF, Body detection AF, Vehicle-tracking AF |
| Face Detection | Yes | - |
| VIEWFINDER | Pentax K-3 | Canon EOS R7 |
|---|
| Viewfinder Type | Optical - fixed eye-level pentaprism | Electronic - OLED |
|---|---|---|
| Viewfinder Colour Support | - | Colour |
| Viewfinder Diagonal Size | - | 0.39" |
| Viewfinder Resolution | - | 2,360,000 pixels |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 0.95x | 1.15x |
| Optical Viewfinder Dioptric Correction Range | -2.5 to +1.5 | -4 to +2 |
| Field of View Crop Factor | - | 1.6 |
| Interchangeable Focusing Screens | Yes | - |
| EXPOSURE & WHITE BALANCE | Pentax K-3 | Canon EOS R7 |
|---|
| ISO (Max) | 51200 | 25600 |
|---|---|---|
| Native ISO | 100-51200 | 100-12800 |
| Extended ISO (Max) | - | 25600 |
| Light Sensitivity | ISO 100-51200, ISO auto (100-51200) | ISO 100-12800, ISO auto (100-25600), ISO 16000-25600 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Evaluative, centre-weighted, partial (5.8%), spot (2.9%) |
| 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 |
| Bracketing Modes | - | Focus bracketing, white balance bracketing |
| 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 | 1/16000 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 | 2, 3 or 5 steps | 3 steps in 1/2 or 1/3 EV steps |
| White Balance Bracketing | - | Yes |
| X-sync Speed | 1/180 sec | 1/250sec, 1/320 sec |
| Exposure Range | EV -3-20 (ISO 100) | EV -2-20 (ISO 100) |
| DISPLAY | Pentax K-3 | Canon EOS R7 |
|---|
| Type | 3.2" LCD display | 3" LCD display |
|---|---|---|
| Display Format | 1,037,000 pixels | 1,620,000 pixels |
| Display Form Factor | Built-in | Rotating |
| Display Features | Colour control | Display brightness control, display colour control |
| FLASH | Pentax K-3 | Canon EOS R7 |
|---|
| 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 R7 |
|---|
| Digital Video Format | AVI, MJPEG, H.264 | MPEG-4, H.264, HEVC, H.265, MP4 |
|---|---|---|
| Image Recording Format | JPEG, DNG (RAW) + JPEG, DNG (RAW) | JPEG, RAW, C-RAW, HEIF |
| 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 R7 |
|---|
| 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 |
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 |
| 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 |
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 |
| BATTERY AND CHARGING | Pentax K-3 | Canon EOS R7 |
|---|
| 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) Canon LP-E6N Li-ion rechargeable battery (optional) Canon LP-E6 Li-ion rechargeable battery (optional) |
| Battery Life | Photo shooting - 560 shots (50% flash usage) Photo shooting - 720 shots (flash off) Playback - 6.2 hours |
Photo shooting - 770 shots (LCD Monitor on) Photo shooting - 500 shots (EVF on) |
| CONNECTIONS | Pentax K-3 | Canon EOS R7 |
|---|
| 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, remote live view, Live streaming, wireless video upload to cloud server, wireless image upload to cloud server, wireless image printing |
| Print Standard | Exif Print support | DPOF support, Exif Print support, PictBridge support |
| Flash Terminal | Hot shoe | - |
| Connector Type | USB 2.0 HDMI output Microphone Headphones Remote control |
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) |
| FEATURES | Pentax K-3 | Canon EOS R7 |
|---|
| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec |
|---|---|---|
| Continuous Shooting Speed | 8.3 frames per second | 15 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, 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 |
| OTHERS | Pentax K-3 | Canon EOS R7 |
|---|
| Included Accessories | Battery charger, body cap, shoulder strap, USB cable, eyecup, shoe cap, battery grip terminal cover, sync terminal cover | Battery charger, neck strap, EF-EOS R lens adapter |
|---|---|---|
| Software | Drivers & Utilities | - |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | -10 °C | 0 °C |
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