In depth comparison and review of Pentax K-S1 and Canon EOS R5. 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 | Pentax K-S1 | Canon EOS R5 |
|---|
| Product Type | Digital camera - 1080p - SLR with Live View mode, movie recording | Digital camera - 8K - mirrorless system with Live View mode, movie recording |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 9.3 cm | 9.75 cm |
| Width | 12 cm | 13.58 cm |
| Depth | 7 cm | 8.8 cm |
| Weight | 485 g | 650 g |
| Weight Details | - | Camera body only: 650 g Camera with battery and memory card: 738 g |
| Body Material | - | Magnesium alloy, fibreglass-reinforced polycarbonate resin |
| Enclosure Colour | White | Black | - |
| Protection | - | Dust-resistant, water-resistant |
| SENSOR | Pentax K-S1 | Canon EOS R5 |
|---|
| Sensor Resolution | 20.12 Megapixel | 45 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | CMOS |
| Total Pixels | 20,420,000 pixels | 47,100,000 pixels |
| Effective Sensor Resolution | 20,120,000 pixels | 45,000,000 pixels |
| Optical Sensor Size | APS-C (23.5 x 15.6 mm) | Full Frame (35.9 x 23.9 mm) |
| Frame Rate (Max Resolution) | - | 30 fps |
| Sensor Dust Reduction | Yes | Yes |
| Sensor Features | Special Protect (SP) coating | EOS Integrated Cleaning System |
| Image Stabiliser | - | Optical (5-axis image sensor shift mechanism) |
| Built-in Optical Image Stabiliser | - | Yes |
| Sensors | - | Digital level metre |
| PROCESSOR | Pentax K-S1 | Canon EOS R5 |
|---|
| Image Processor | PRIME MII | DIGIC X |
|---|
| LENS | Pentax K-S1 | Canon EOS R5 |
|---|
| Lens Mounting Type | Pentax KAF2 | Canon RF |
|---|
| FOCUSING | Pentax K-S1 | Canon EOS R5 |
|---|
| Auto Focus | TTL phase detection | Dual Pixel CMOS AF II |
|---|---|---|
| Auto Focus Points (Zones) Qty | 11 | 5940 |
| Auto Focus Features | - | Focus Peaking function |
| AE/AF Control | Face-priority AF, Subject-tracking AF | Face-priority AF, Subject-tracking AF, Eye detection AF, Zone AF, Animal-tracking AF |
| Face Detection | Yes | Eye Detect AF, Face Detection AF/AE |
| VIEWFINDER | Pentax K-S1 | Canon EOS R5 |
|---|
| Viewfinder Type | Optical - fixed eye-level pentaprism | Electronic - OLED |
|---|---|---|
| Viewfinder Colour Support | - | Colour |
| Viewfinder Diagonal Size | - | 0.5" |
| Viewfinder Resolution | - | 5,760,000 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 | - | Shutter speed, exposure compensation, flash charge completion, aperture, white balance, image stabilizer, exposure bracketing, battery status, high-speed sync indicator, frames-remaining counter, highlight tone priority, ISO sensitivity, AF lock, electronic level, maximum burst, flicker detection, drive mode, metering mode |
| Field of View Crop Factor | - | 1.0 |
| EXPOSURE & WHITE BALANCE | Pentax K-S1 | Canon EOS R5 |
|---|
| ISO (Max) | 51200 | 102400 |
|---|---|---|
| Native ISO | 100-51200 | 100-51200 |
| Extended ISO (Max) | - | 102400 |
| Extended ISO (Min) | - | 50 |
| Light Sensitivity | ISO 100-51200, ISO auto (100-51200) | ISO 50, ISO 102400, ISO 100-51200, ISO auto (100-51200) |
| Exposure Metering | Multi-segment, centre-weighted, spot | Evaluative, centre-weighted, partial (5.8%), spot (2.9%) |
| Exposure Metering Zones | 77 | 384 |
| Exposure Modes | Programme, automatic, manual, aperture-priority, shutter-priority, shutter & aperture priority | Bulb, automatic, manual, aperture-priority, shutter-priority, E-TTL II program flash |
| Bracketing Modes | - | White balance bracketing |
| Shooting Programs | Landscape, portrait mode, macro, museum, surf & snow, PET, Blue Sky, food, night scene, sunset, candle, night snapshot, night scene with portrait, kids, Stage, night scene HDR, moving object, forest, backlight silhouette | - |
| Special Effects | Natural, bright, Vibrant, monochrome, Muted, landscape, portrait, Cross Process, Bleach Bypass, Radiant, Reversal Film, Tone Expansion, Cold vintage, Colour Fade, Bold Monochrome, Unicolour Bold, Clear Tone, Warm Fade, Brilliant Colour, Infrared Filter | 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 (warm white), Color Temperature Enhancement (CTE), fluorescent light (daylight colour), 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 | 1/6000 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 |
| White Balance Bracketing | Yes | Yes |
| X-sync Speed | 1/180 sec | 1/250sec |
| Exposure Range | EV 0-22 (ISO 100) | - |
| DISPLAY | Pentax K-S1 | Canon EOS R5 |
|---|
| Type | 3" LCD display | 3.15" LCD display |
|---|---|---|
| Touch Screen | - | Yes |
| Display Format | 921,000 pixels | 2,100,000 pixels |
| Display Form Factor | Built-in | Rotating |
| Display Features | Colour control, display brightness control | Display brightness control, display colour control, anti-smudge coating |
| FLASH | Pentax K-S1 | Canon EOS R5 |
|---|
| Camera Flash | Pop-up flash | - |
|---|---|---|
| Guide Number (m / ISO 100) | 10 | - |
| 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 | - |
| VIDEOGRAPHY / CAMCORDER | Pentax K-S1 | Canon EOS R5 |
|---|
| Digital Video Format | H.264 | H.265 |
|---|---|---|
| Image Recording Format | JPEG, DNG (RAW) + JPEG, DNG (RAW) | JPEG, RAW, RAW + JPEG, C-RAW, HEIF, RAW + HEIF |
| Max Video Resolution | 1920 x 1080 | 8192 x 4320 |
| Audio Signal Format | - | Linear PCM |
| Microphone Operation Mode | Mono | Mono |
| Microphone Features | Sensitivity control | - |
| MEMORY | Pentax K-S1 | Canon EOS R5 |
|---|
| Memory Card Slot | SD card | SD card, CFexpress |
|---|---|---|
| Supported Memory Cards | SD Memory Card, SDXC Memory Card, SDHC 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, CFexpress |
| Memory Card Included | - | No |
| Image Storage | - | 8192 x 5464 5808 x 3872 4176 x 2784 2400 x 1600 5088 x 3392 7280 x 5464 5152 x 3872 3712 x 2784 2112 x 1600 8192 x 4608 5808 x 3264 4176 x 2344 2400 x 1344 5456 x 5456 3872 x 3872 2784 x 2784 1600 x 1600 3648 x 3648 2432 x 2432 1824 x 1824 |
| Video Capture | H.264 - 1920 x 1080 - 30 fps H.264 - 1920 x 1080 - 25 fps H.264 - 1920 x 1080 - 24 fps |
H.265 - 8192 x 4320 p - 29.97 fps H.265 - 8192 x 4320 p - 25 fps H.265 - 8192 x 4320 p - 23.98 fps H.265 - 7680 x 4320 p - 29.97 fps H.265 - 7680 x 4320 p - 25 fps H.265 - 7680 x 4320 p - 23.98 fps H.265 - 4096 x 2160 p - 119.9 fps H.265 - 4096 x 2160 p - 100 fps H.265 - 4096 x 2160 p - 59.94 fps H.265 - 4096 x 2160 p - 50 fps H.265 - 4096 x 2160 p - 29.97 fps H.265 - 4096 x 2160 p - 25 fps H.265 - 4096 x 2160 p - 23.98 fps H.265 - 3840 x 2160 p - 119.9 fps H.265 - 3840 x 2160 p - 100 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 - 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-S1 | Canon EOS R5 |
|---|
| Battery Type | Pentax D-Li109 Lithium Ion | Canon LP-E6NH Lithium Ion |
|---|---|---|
| Details | Pentax D-Li109 Li-ion rechargeable battery (included) | Canon LP-E6NH Li-ion rechargeable battery (included) |
| Battery Life | Photo shooting - 480 shots (50% flash usage) Playback - 4.5 hours |
Photo shooting - 320 shots (EVF on) Photo shooting - 490 shots (LCD Monitor on) |
| CONNECTIONS | Pentax K-S1 | Canon EOS R5 |
|---|
| Interface | HDMI | HDMI, USB 3.1, IEEE 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| 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, wireless image printing |
| Print Standard | DPOF support, Exif Print support | DPOF support, Exif Print support |
| Computer Connectivity | - | Mac, Windows |
| Flash Terminal | Hot shoe | Hot shoe |
| Connector Type | USB 2.0 HDMI output (19 pin micro HDMI Type D) |
USB 3.2 Gen 1 (USB Type-C) HDMI output (19 pin micro HDMI Type D) Audio line-in / microphone (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) Remote control |
| FEATURES | Pentax K-S1 | Canon EOS R5 |
|---|
| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec |
|---|---|---|
| Continuous Shooting Speed | 3 frames per second, 5.4 frames per second | 20 frames per second, 12 frames per second |
| HDR Mode | Auto HDR mode | - |
| Additional Features | RGB primary colour filter, depth-of-field preview button, digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, cropping an image, resizing an image, saturation control, in-camera film editing, in-camera RAW processing, HDR image enhancement technology, hue control, Eye-Fi Card Ready, LED body illumination | RGB primary colour filter, auto power save, depth-of-field preview button, camera orientation detection, histogram display, cropping an image, resizing an image, highlight tone priority, highlight point display, USB charging, Auto Lighting Optimizer, in-camera RAW processing, peripheral illumination correction, Chromatic Aberration Compensation (CAC), HDR image enhancement technology, Scene Intelligent Auto technology, Touch Shutter technology, noise reduction over long exposures, high ISO speed noise reduction, silent shooting, distortion correction function, diffraction correction, multiple exposure capture, Dual Pixel RAW, Digital Lens Optimizer, 4K time-lapse movie recording, anti-flicker, firmware upgradable |
| OTHERS | Pentax K-S1 | Canon EOS R5 |
|---|
| Included Accessories | Battery charger, body cap, shoulder strap, eyecup, shoe cap | Battery charger, body cap, neck strap, cable protector, USB-C cable |
|---|---|---|
| Software | Drivers & Utilities | Canon Picture Style Editor, Canon EOS Utility, Canon Digital Photo Professional 4, Canon Digital Photo Professional Express |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | -10 °C | 1 °C |
| Service & Support | - | Limited warranty - 1 year |
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