In depth comparison and review of Pentax K-S1 and Canon EOS R8 + RF 24-50mm F4.5-6.3 IS STM. 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 R8 + RF 24-50mm F4.5-6.3 IS STM |
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| Product Type | Digital camera - 1080p - SLR with Live View mode, movie recording | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | Body only | RF 24-50mm F4.5-6.3 IS STM lens |
| Height | 9.3 cm | 8.61 cm |
| Width | 12 cm | 13.25 cm |
| Depth | 7 cm | 7 cm |
| Weight | 485 g | 414 g |
| Weight Details | - | Camera body only: 414 g Camera with battery and memory card: 461 g |
| Enclosure Colour | White | Black | Black |
| Optical Zoom | - | 2x |
| SENSOR | Pentax K-S1 | Canon EOS R8 + RF 24-50mm F4.5-6.3 IS STM |
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| Sensor Resolution | 20.12 Megapixel | 24.2 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | CMOS |
| Total Pixels | 20,420,000 pixels | 25,600,000 pixels |
| Effective Sensor Resolution | 20,120,000 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 | Special Protect (SP) coating | Self Cleaning Sensor Unit |
| Image Stabiliser | - | Optical |
| Built-in Optical Image Stabiliser | - | Yes |
| PROCESSOR | Pentax K-S1 | Canon EOS R8 + RF 24-50mm F4.5-6.3 IS STM |
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| Image Processor | PRIME MII | DIGIC X |
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| LENS | Pentax K-S1 | Canon EOS R8 + RF 24-50mm F4.5-6.3 IS STM |
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| Type | - | Zoom lens - 2x zoom - 24 - 50 mm - f/4.5-6.3 IS STM Canon RF - zoom |
|---|---|---|
| Focus Adjustment | - | Automatic, manual |
| Min Focus Distance | - | 30 cm |
| Max View Angle | - | 84 degree(s) |
| Zoom Adjustment | - | Manual |
| Lens Construction | - | 8 groups / 8 elements |
| Filter Size | - | 58 mm |
| Lens Mounting Type | Pentax KAF2 | Canon RF |
| Features | - | Aspherical lens, Stepping Motor (STM) technology, built-in control ring |
| FOCUSING | Pentax K-S1 | Canon EOS R8 + RF 24-50mm F4.5-6.3 IS STM |
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| Auto Focus | TTL phase detection | Dual Pixel CMOS AF |
|---|---|---|
| Auto Focus Points (Zones) Qty | 11 | 1053 |
| AE/AF Control | Face-priority AF, Subject-tracking AF | Face-priority AF, Subject-tracking AF, Eye detection AF, Head Detection AF, Animal detection AF, Vehicle-tracking AF |
| Face Detection | Yes | Eye Detect AF, face-priority AF function |
| VIEWFINDER | Pentax K-S1 | Canon EOS R8 + RF 24-50mm F4.5-6.3 IS STM |
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| 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 | 0.70x |
| Optical Viewfinder Dioptric Correction Range | -2.5 to +1.5 | -4 to +1 |
| Viewfinder Information | - | Exposure compensation, aperture, white balance, image stabilizer, battery status, highlight tone priority, picture mode, ISO sensitivity, memory card status, AF status, electronic level, maximum burst, shooting mode, drive mode, metering mode |
| EXPOSURE & WHITE BALANCE | Pentax K-S1 | Canon EOS R8 + RF 24-50mm F4.5-6.3 IS STM |
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| 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 | 77 | 384 |
| Exposure Modes | Programme, automatic, manual, aperture-priority, shutter-priority, shutter & aperture priority | Programme, bulb, automatic, manual, aperture-priority, shutter-priority, E-TTL II program flash, flexible-priority AE, hybrid auto, scene intelligent auto, special scenes, creative filters, custom |
| Bracketing Modes | - | Focus bracketing, 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 | 1/16000 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 | - | 3 steps in 1/2 or 1/3 EV steps |
| White Balance Bracketing | Yes | Yes |
| X-sync Speed | 1/180 sec | 1/200sec |
| Exposure Range | EV 0-22 (ISO 100) | EV -3-20 (ISO 100) |
| DISPLAY | Pentax K-S1 | Canon EOS R8 + RF 24-50mm F4.5-6.3 IS STM |
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| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | - | Yes |
| Display Format | 921,000 pixels | 1,620,000 pixels |
| Display Form Factor | Built-in | Rotating |
| Display Features | Colour control, display brightness control | Display brightness control |
| FLASH | Pentax K-S1 | Canon EOS R8 + RF 24-50mm F4.5-6.3 IS STM |
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| 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 R8 + RF 24-50mm F4.5-6.3 IS STM |
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| Digital Video Format | H.264 | H.264, AVC, 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-S1 | Canon EOS R8 + RF 24-50mm F4.5-6.3 IS STM |
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| Memory Card Slot | SD card | SD card |
|---|---|---|
| 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 |
| Memory Card Included | - | No |
| Video Capture | H.264 - 1920 x 1080 - 30 fps H.264 - 1920 x 1080 - 25 fps H.264 - 1920 x 1080 - 24 fps |
3840 x 2160 - 59.94 fps 3840 x 2160 - 50 fps 3840 x 2160 - 29.97 fps 3840 x 2160 - 25 fps 3840 x 2160 - 23.98 fps 1920 x 1080 - 179.82 fps 1920 x 1080 - 150 fps 1920 x 1080 - 119.9 fps 1920 x 1080 - 100 fps 1920 x 1080 - 59.94 fps 1920 x 1080 - 50 fps 1920 x 1080 - 29.97 fps 1920 x 1080 - 25 fps 1920 x 1080 - 23.98 fps |
| BATTERY AND CHARGING | Pentax K-S1 | Canon EOS R8 + RF 24-50mm F4.5-6.3 IS STM |
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| Battery Type | Pentax D-Li109 Lithium Ion | Canon LP-E17 Lithium Ion |
|---|---|---|
| Details | Pentax D-Li109 Li-ion rechargeable battery (included) | Canon LP-E17 Li-ion rechargeable battery - 1040 mAh (included) |
| Battery Life | Photo shooting - 480 shots (50% flash usage) Playback - 4.5 hours |
Photo shooting - 370 shots (LCD Monitor on) Photo shooting - 220 shots (viewfinder) |
| CONNECTIONS | Pentax K-S1 | Canon EOS R8 + RF 24-50mm F4.5-6.3 IS STM |
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| Interface | HDMI | HDMI, USB 3.2 Gen 2, IEEE 802.11b/g/n, Bluetooth 4.2 |
|---|---|---|
| Connectivity Features | - | Remote control via mobile devices, Live streaming, wireless video upload to cloud server, wireless image upload to cloud server |
| Print Standard | DPOF support, Exif Print support | DPOF support |
| Computer Connectivity | - | Mac, Windows |
| Flash Terminal | Hot shoe | - |
| Connector Type | USB 2.0 HDMI output (19 pin micro HDMI Type D) |
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-S1 | Canon EOS R8 + RF 24-50mm F4.5-6.3 IS STM |
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| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec |
|---|---|---|
| Continuous Shooting Speed | 3 frames per second, 5.4 frames per second | - |
| HDR Mode | Auto HDR mode | Moving Subject HDR, HDR PQ |
| 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, AE lock, AF lock, Dust Delete Data system, in-camera RAW processing, weatherproof, HDR image enhancement technology, auto white balance, 4K time-lapse movie recording, RAW burst mode, movie digital IS, Canon Log 3, Depth Compositing |
| OTHERS | Pentax K-S1 | Canon EOS R8 + RF 24-50mm F4.5-6.3 IS STM |
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| Included Accessories | Battery charger, body cap, shoulder strap, eyecup, shoe cap | Battery charger, dust cap, lens cap, neck strap, battery cover, shoe cap, camera cover |
|---|---|---|
| Software | Drivers & Utilities | Canon EOS Utility |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | -10 °C | 0 °C |
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