In depth comparison and review of Pentax K-S1 and YI M1 +. 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 | YI M1 + |
|---|
| Product Type | Digital camera - 1080p - SLR with Live View mode, movie recording | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | Body only | - |
| Height | 9.3 cm | 9.35 cm |
| Width | 12 cm | 13.04 cm |
| Depth | 7 cm | 6.31 cm |
| Weight | 485 g | 280 g |
| Weight Details | - | Camera with battery and memory card: 280 g |
| Enclosure Colour | White | Black | Storm black |
| SENSOR | Pentax K-S1 | YI M1 + |
|---|
| Sensor Resolution | 20.12 Megapixel | 20.16 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | CMOS |
| Total Pixels | 20,420,000 pixels | 21,770,000 pixels |
| Effective Sensor Resolution | 20,120,000 pixels | 20,160,000 pixels |
| Optical Sensor Size | APS-C (23.5 x 15.6 mm) | - |
| Frame Rate (Max Resolution) | - | 30 fps |
| Sensor Dust Reduction | Yes | - |
| Sensor Features | Special Protect (SP) coating | - |
| PROCESSOR | Pentax K-S1 | YI M1 + |
|---|
| Image Processor | PRIME MII | - |
|---|
| LENS | Pentax K-S1 | YI M1 + |
|---|
| Type | - | Zoom lens 12 - 40 mm - f/3.5-5.6 - zoom |
|---|---|---|
| Focal Length Equivalent to 35mm Camera | - | 24 - 80mm |
| Focus Adjustment | - | Automatic, manual |
| Min Focus Distance | - | 35 cm |
| Max View Angle | - | 84.1 degree(s) |
| Zoom Adjustment | - | Manual (by ring) |
| Lens Construction | - | 9 groups / 11 elements |
| Filter Size | - | 49 mm |
| Lens Mounting Type | Pentax KAF2 | Micro Four Thirds |
| SECOND LENS |
|---|
| Type | - | Lens 42.5 mm - f/1.8 |
|---|---|---|
| Focal Length Equivalent to 35mm Camera | - | 85mm |
| Focus Adjustment | - | Automatic |
| Min Focus Distance | - | 50 cm |
| Lens Construction | - | 6 groups / 6 elements |
| Filter Size | - | 49 mm |
| FOCUSING | Pentax K-S1 | YI M1 + |
|---|
| Auto Focus | TTL phase detection | TTL contrast detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 11 | 81 |
| Auto Focus Features | - | Focus Peaking function |
| AE/AF Control | Face-priority AF, Subject-tracking AF | - |
| Face Detection | Yes | - |
| VIEWFINDER | Pentax K-S1 | YI M1 + |
|---|
| Viewfinder Type | Optical - fixed eye-level pentaprism | - |
|---|---|---|
| Optical Viewfinder Field Coverage | 100% | - |
| Optical Viewfinder Magnification | 0.95x | - |
| Optical Viewfinder Dioptric Correction Range | -2.5 to +1.5 | - |
| Field of View Crop Factor | - | 2 |
| EXPOSURE & WHITE BALANCE | Pentax K-S1 | YI M1 + |
|---|
| ISO (Max) | 51200 | 25600 |
|---|---|---|
| Native ISO | 100-51200 | 100-25600 |
| Light Sensitivity | ISO 100-51200, ISO auto (100-51200) | ISO 100, ISO 800, ISO 400, ISO 200, ISO 1600, ISO 6400, ISO 3200, ISO 12800, ISO 25600 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Evaluative, centre-weighted, spot |
| Exposure Metering Zones | 77 | - |
| Exposure Modes | Programme, automatic, manual, aperture-priority, shutter-priority, shutter & aperture priority | Programme, bulb, automatic, manual, aperture-priority, shutter-priority |
| 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 | - |
| White Balance | 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) | - |
| Shutter Type | Mechanical electronically-controlled | Mechanical electronically-controlled |
| Max Shutter Speed | 1/6000 sec | 1/4000 sec |
| Min Shutter Speed | 30 sec | 60 sec |
| Exposure Compensation | ±5 EV range, in 1/2 or 1/3 EV steps | ±5 EV range |
| White Balance Bracketing | Yes | Yes |
| X-sync Speed | 1/180 sec | 1/125sec |
| Exposure Range | EV 0-22 (ISO 100) | - |
| DISPLAY | Pentax K-S1 | YI M1 + |
|---|
| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | - | Yes |
| Display Format | 921,000 pixels | 1,040,000 pixels |
| Display Form Factor | Built-in | Built-in |
| Display Features | Colour control, display brightness control | Display brightness control |
| FLASH | Pentax K-S1 | YI M1 + |
|---|
| 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 | YI M1 + |
|---|
| Digital Video Format | H.264 | H.264 |
|---|---|---|
| Image Recording Format | JPEG, DNG (RAW) + JPEG, DNG (RAW) | JPEG, RAW |
| Max Video Resolution | 1920 x 1080 | 3840 x 2160 |
| Microphone Operation Mode | Mono | Stereo |
| Microphone Features | Sensitivity control | - |
| MEMORY | Pentax K-S1 | YI M1 + |
|---|
| 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 |
| Memory Card Included | - | No |
| Memory Card Max Supported Size | - | 512 GB |
| Video Capture | H.264 - 1920 x 1080 - 30 fps H.264 - 1920 x 1080 - 25 fps H.264 - 1920 x 1080 - 24 fps |
- |
| BATTERY AND CHARGING | Pentax K-S1 | YI M1 + |
|---|
| Battery Type | Pentax D-Li109 Lithium Ion | Lithium Ion - manufacturer-specific |
|---|---|---|
| Details | Pentax D-Li109 Li-ion rechargeable battery (included) | Li-ion rechargeable battery - 900 mAh (included) |
| Battery Life | Photo shooting - 480 shots (50% flash usage) Playback - 4.5 hours |
Photo shooting - 450 shots |
| CONNECTIONS | Pentax K-S1 | YI M1 + |
|---|
| Interface | HDMI | HDMI, USB 2.0, Wireless LAN, Bluetooth 4.0 |
|---|---|---|
| Connectivity Features | - | Remote control via mobile devices |
| Print Standard | DPOF support, Exif Print support | Exif Print support |
| Flash Terminal | Hot shoe | Hot shoe |
| Connector Type | USB 2.0 HDMI output (19 pin micro HDMI Type D) |
USB 2.0 HDMI output |
| FEATURES | Pentax K-S1 | YI M1 + |
|---|
| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec |
|---|---|---|
| Continuous Shooting Speed | 3 frames per second, 5.4 frames per second | 5 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 | Built-in speaker, in-camera RAW processing, Panorama Capture, Time-Lapse recording |
| OTHERS | Pentax K-S1 | YI M1 + |
|---|
| Included Accessories | Battery charger, body cap, shoulder strap, eyecup, shoe cap | Carrying strap, body cap, lens cap, AC power adaptor, USB cable |
|---|---|---|
| Software | Drivers & Utilities | - |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | -10 °C | -10 °C |
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