Pentax K-S1 vs. Canon EOS R5

Camera Comparison, Reviews and Tests

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.

Camera Specifications Comparison

Pentax K-S1 vs. Canon EOS R5 Comparison Chart
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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