In depth comparison and review of Pentax K-S1 and Canon EOS 850D. 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 850D |
|---|
| Product Type | Digital camera - 1080p - SLR with Live View mode, movie recording | Digital camera - 4K - SLR with Live View mode, movie recording |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 9.3 cm | 10.26 cm |
| Width | 12 cm | 13.1 cm |
| Depth | 7 cm | 7.62 cm |
| Weight | 485 g | 471 g |
| Weight Details | - | Camera body only: 471 g Camera with battery and memory card: 515 g |
| Body Material | - | Aluminium alloy, fibreglass-reinforced polycarbonate resin |
| Enclosure Colour | White | Black | Black |
| SENSOR | Pentax K-S1 | Canon EOS 850D |
|---|
| Sensor Resolution | 20.12 Megapixel | 24.1 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | CMOS |
| Total Pixels | 20,420,000 pixels | 25,800,000 pixels |
| Effective Sensor Resolution | 20,120,000 pixels | 24,100,000 pixels |
| Optical Sensor Size | APS-C (23.5 x 15.6 mm) | APS-C (22.3 x 14.9 mm) |
| Frame Rate (Max Resolution) | - | 30 fps |
| Sensor Dust Reduction | Yes | Yes |
| Sensor Features | Special Protect (SP) coating | EOS Integrated Cleaning System, Self Cleaning Sensor Unit |
| Image Stabiliser | - | Electronic (5-axis) |
| Sensors | - | Digital level metre |
| PROCESSOR | Pentax K-S1 | Canon EOS 850D |
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| Image Processor | PRIME MII | DIGIC 8 |
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| LENS | Pentax K-S1 | Canon EOS 850D |
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| Lens Mounting Type | Pentax KAF2 | Canon EF/EF-S |
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| FOCUSING | Pentax K-S1 | Canon EOS 850D |
|---|
| Auto Focus | TTL phase detection | Dual Pixel CMOS AF / TTL phase detection / TTL contrast detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 11 | 45 |
| Auto Focus Features | - | Focus Peaking function, Manual Focus Assist |
| AE/AF Control | Face-priority AF, Subject-tracking AF | Eye detection AF, Zone AF, AI Focus AF, AI Servo AF, Large Zone AF |
| Face Detection | Yes | Yes |
| VIEWFINDER | Pentax K-S1 | Canon EOS 850D |
|---|
| Viewfinder Type | Optical - fixed eye-level pentaprism | Optical - fixed eye-level pentamirror |
|---|---|---|
| Optical Viewfinder Field Coverage | 100% | 95% |
| Optical Viewfinder Magnification | 0.95x | 0.82x |
| Optical Viewfinder Dioptric Correction Range | -2.5 to +1.5 | -3 to +1 |
| Viewfinder Information | - | Grid, electronic level, flicker detection, aspect ratio line, spot metering circle |
| Field of View Crop Factor | - | 1.6 |
| EXPOSURE & WHITE BALANCE | Pentax K-S1 | Canon EOS 850D |
|---|
| ISO (Max) | 51200 | 25600 |
|---|---|---|
| Native ISO | 100-51200 | 100-25600 |
| Extended ISO (Max) | - | 51200 |
| Light Sensitivity | ISO 100-51200, ISO auto (100-51200) | ISO 51200, ISO 100-25600, ISO auto (100-25600) |
| Exposure Metering | Multi-segment, centre-weighted, spot | Evaluative, partial (6.5%), centre-weighted, spot (2%) |
| Exposure Metering Zones | 77 | 216 |
| Exposure Modes | Programme, automatic, manual, aperture-priority, shutter-priority, shutter & aperture priority | Programme, bulb, automatic, manual, aperture-priority, shutter-priority |
| Bracketing Modes | - | Flash Exposure 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 | Landscape, portrait mode, close-up, night portrait, food, sports mode, candle, kids, backlight correction HDR, smooth skin, handheld night scene, group photo |
| 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, fisheye, soft focus, Faithful, monochrome, landscape, portrait, miniature, Toy camera, HDR Art, Grainy B&W, Water painting, 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, 2000K - 10000K, fluorescent light (white) |
| Shutter Type | Mechanical electronically-controlled | Mechanical electronically-controlled |
| Max Shutter Speed | 1/6000 sec | 1/4000 sec |
| Min Shutter Speed | 30 sec | 30 sec |
| Exposure Compensation | ±5 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 0-22 (ISO 100) | EV 1-20 (ISO 100) |
| DISPLAY | Pentax K-S1 | Canon EOS 850D |
|---|
| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | - | Yes |
| Display Format | 921,000 pixels | 1,040,000 pixels |
| Display Form Factor | Built-in | Rotating |
| Display Features | Colour control, display brightness control | Display brightness control |
| FLASH | Pentax K-S1 | Canon EOS 850D |
|---|
| Camera Flash | Pop-up flash | Pop-up flash |
|---|---|---|
| Guide Number (m / ISO 100) | 10 | 12 |
| Flash Modes | Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction | Fill-in mode, auto mode |
| Red-Eye Reduction | Yes | Yes |
| Features | AF illuminator, flash +/- compensation | AF illuminator, wireless off-camera control |
| VIDEOGRAPHY / CAMCORDER | Pentax K-S1 | Canon EOS 850D |
|---|
| Digital Video Format | H.264 | H.264 |
|---|---|---|
| Image Recording Format | JPEG, DNG (RAW) + JPEG, DNG (RAW) | JPEG, RAW + JPEG, C-RAW |
| Max Video Resolution | 1920 x 1080 | 3840 x 2160 |
| Audio Signal Format | - | AAC |
| Microphone Operation Mode | Mono | - |
| Microphone Features | Sensitivity control | - |
| MEMORY | Pentax K-S1 | Canon EOS 850D |
|---|
| 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-I Memory Card, SDXC UHS-I Memory Card |
| Memory Card Included | - | No |
| Image Storage | - | RAW 6000 x 4000 JPEG 6000 x 4000 JPEG 3984 x 2656 JPEG 2976 x 1984 JPEG 2400 x 1600 JPEG 5328 x 4000 JPEG 3552 x 2664 JPEG 2656 x 1992 JPEG 2112 x 1600 JPEG 6000 x 3368 JPEG 3984 x 2240 JPEG 2976 x 1680 JPEG 2400 x 1344 JPEG 4000 x 4000 JPEG 2656 x 2656 JPEG 1984 x 1984 JPEG 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 - 3840 x 2160 p - 29.97 fps H.264 - 3840 x 2160 p - 25 fps H.264 - 3840 x 2160 p - 24 fps H.264 - 1920 x 1080 p - 59.94 fps H.264 - 1920 x 1080 p - 50 fps H.264 - 1920 x 1080 p - 29.97 fps H.264 - 1920 x 1080 p - 23.98 fps H.264 - 1280 x 720 p - 59.94 fps H.264 - 1280 x 720 p - 50 fps |
| BATTERY AND CHARGING | Pentax K-S1 | Canon EOS 850D |
|---|
| 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 (included) |
| Battery Life | Photo shooting - 480 shots (50% flash usage) Playback - 4.5 hours |
Photo shooting - 800 shots (at 23 °C (LCD Monitor off)) Photo shooting - 730 shots (at 0 °C (LCD Monitor off)) Photo shooting - 310 shots (at 23 °C (Live View mode)) Photo shooting - 290 shots (at 0 °C (Live View mode)) |
| CONNECTIONS | Pentax K-S1 | Canon EOS 850D |
|---|
| Interface | HDMI | HDMI, USB 2.0, IEEE 802.11b/g/n, Bluetooth 4.1 |
|---|---|---|
| Connectivity Features | - | Remote control via mobile devices, Wireless Image Transfer |
| Print Standard | DPOF support, Exif Print support | Direct print, DPOF support, Exif Print support, PictBridge support |
| Tripod Mount Connection Point | - | 1/4" socket |
| Flash Terminal | Hot shoe | Hot shoe |
| Connector Type | USB 2.0 HDMI output (19 pin micro HDMI Type D) |
USB / AV output Microphone (mini-phone stereo 3.5 mm) HDMI output (19 pin mini HDMI Type C) |
| FEATURES | Pentax K-S1 | Canon EOS 850D |
|---|
| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec |
|---|---|---|
| Continuous Shooting Speed | 3 frames per second, 5.4 frames per second | 7.5 frames per second, 7 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, depth-of-field preview button, histogram display, AE lock, AF lock, FE lock, cropping an image, resizing an image, highlight point display, Dust Delete Data system, Auto Lighting Optimizer, peripheral illumination correction, Multi-Frame Noise Reduction, HDR image enhancement technology, Time-Lapse recording, noise reduction over long exposures, high ISO speed noise reduction, GPS via mobile, distortion correction function, diffraction correction, chromatic aberration correction |
| OTHERS | Pentax K-S1 | Canon EOS 850D |
|---|
| Included Accessories | Battery charger, body cap, shoulder strap, eyecup, shoe cap | Battery charger, body cap, neck strap |
|---|---|---|
| Software | Drivers & Utilities | - |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | -10 °C | 0 °C |
| Service & Support | - | Limited warranty - 2 years |
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