In depth comparison and review of Pentax K-S1 and Sony Alpha6100 ILCE-6100Y + 16-50mm and 55-210mm. 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 | Sony Alpha6100 ILCE-6100Y + 16-50mm and 55-210mm |
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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 | 16-50mm and 55-210mm lenses |
| Height | 9.3 cm | 6.69 cm |
| Width | 12 cm | 12 cm |
| Depth | 7 cm | 5.94 cm |
| Weight | 485 g | 352 g |
| Weight Details | - | Camera body only: 352 g Camera with battery and memory card: 396 g |
| Enclosure Colour | White | Black | Black |
| Digital Zoom | - | 4x |
| Optical Zoom | - | 3x |
| SENSOR | Pentax K-S1 | Sony Alpha6100 ILCE-6100Y + 16-50mm and 55-210mm |
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| Sensor Resolution | 20.12 Megapixel | 24.2 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | Exmor CMOS |
| Total Pixels | 20,420,000 pixels | 25,000,000 pixels |
| Effective Sensor Resolution | 20,120,000 pixels | 24,200,000 pixels |
| Optical Sensor Size | APS-C (23.5 x 15.6 mm) | 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 | Sony Alpha6100 ILCE-6100Y + 16-50mm and 55-210mm |
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| Image Processor | PRIME MII | BIONZ X |
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| LENS | Pentax K-S1 | Sony Alpha6100 ILCE-6100Y + 16-50mm and 55-210mm |
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| Type | - | Zoom lens - 3x zoom - 16 - 50 mm - f/3.5-5.6 PZ OSS - zoom |
|---|---|---|
| Focal Length Equivalent to 35mm Camera | - | 24 - 75mm |
| Focus Adjustment | - | Automatic, manual |
| Min Focus Distance | - | 25 cm |
| Max View Angle | - | 83 degree(s) |
| Zoom Adjustment | - | Manual (by ring), motorised drive |
| Lens Construction | - | 8 groups / 9 elements |
| Filter Size | - | 40.5 mm |
| Lens Mounting Type | Pentax KAF2 | Sony E-mount |
| Features | - | ED glass, aspherical lens, Lens Barrel Retraction Function |
| SECOND LENS |
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| Type | - | Telephoto zoom lens - 3.8x zoom - 55 - 210 mm - f/4.5-6.3 |
|---|---|---|
| Focal Length Equivalent to 35mm Camera | - | 82.5 - 315mm |
| Focus Adjustment | - | Automatic, manual |
| Min Focus Distance | - | 1 m |
| Lens Construction | - | 9 groups / 13 elements |
| Filter Size | - | 49 mm |
| Features | - | ED glass |
| FOCUSING | Pentax K-S1 | Sony Alpha6100 ILCE-6100Y + 16-50mm and 55-210mm |
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| Auto Focus | TTL phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 11 | 425 |
| Auto Focus Features | - | Focus Peaking function, Predictive Focus Control |
| AE/AF Control | Face-priority AF, Subject-tracking AF | - |
| Face Detection | Yes | Eye Detect AF, Face Detection AF/AE, Smile Shutter, Self Portrait Auto Shutter |
| VIEWFINDER | Pentax K-S1 | Sony Alpha6100 ILCE-6100Y + 16-50mm and 55-210mm |
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| Viewfinder Type | Optical - fixed eye-level pentaprism | Electronic - OLED |
|---|---|---|
| Viewfinder Colour Support | - | Colour |
| Viewfinder Diagonal Size | - | 0.39" |
| Viewfinder Resolution | - | 1,440,000 pixels |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 0.95x | 1.07x |
| Optical Viewfinder Dioptric Correction Range | -2.5 to +1.5 | -4 to +3 |
| Field of View Crop Factor | - | 1.5 |
| Features | - | Viewfinder brightness control, colour temperature control |
| EXPOSURE & WHITE BALANCE | Pentax K-S1 | Sony Alpha6100 ILCE-6100Y + 16-50mm and 55-210mm |
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| ISO (Max) | 51200 | 51200 |
|---|---|---|
| Native ISO | 100-51200 | 100-32000 |
| Extended ISO (Max) | - | 51200 |
| Light Sensitivity | ISO 100-51200, ISO auto (100-51200) | ISO 51200, ISO 100-32000 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Multi-segment, centre-weighted, spot |
| Exposure Metering Zones | 77 | 1200 |
| Exposure Modes | Programme, automatic, manual, aperture-priority, shutter-priority, shutter & aperture priority | Programme, bulb, automatic, manual, aperture-priority, shutter-priority |
| Bracketing Modes | - | Dynamic Range Bracketing, 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, macro, night portrait, night scene, sports mode, sunset, handheld twilight, anti-motion blur |
| 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 | Black & White, Sepia, Vivid, sunset, soft focus, illustration, landscape, portrait, Water Colour, miniature, Retro, partial colour, Toy camera, Posterisation, High contrast monochrome, Pop Colour, HDR Painting, Rich-tone monochrome, Soft High-key, Posterisation (B/W) |
| 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) | Incandescent, cloudy, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Underwater, 2500K - 9900K, 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 | 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, 5 steps in 1/3, 1/2, 2/3, 1, 2 or 3 EV steps, 9 steps in 1/3, 1/2, 2/3 or 1 EV steps |
| White Balance Bracketing | Yes | Yes |
| X-sync Speed | 1/180 sec | 1/160 sec |
| Exposure Range | EV 0-22 (ISO 100) | EV -2-20 (ISO 100) |
| DISPLAY | Pentax K-S1 | Sony Alpha6100 ILCE-6100Y + 16-50mm and 55-210mm |
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| Type | 3" LCD display | 2.95" LCD display |
|---|---|---|
| Touch Screen | - | Yes |
| Display Format | 921,000 pixels | 921,600 pixels |
| Display Form Factor | Built-in | Tilting |
| Display Features | Colour control, display brightness control | Display brightness control |
| FLASH | Pentax K-S1 | Sony Alpha6100 ILCE-6100Y + 16-50mm and 55-210mm |
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| Camera Flash | Pop-up flash | Pop-up flash |
|---|---|---|
| Guide Number (m / ISO 100) | 10 | 6 |
| Flash Modes | Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction | Fill-in mode, rear curtain sync, auto mode, flash OFF mode, red-eye reduction, slow sync |
| Red-Eye Reduction | Yes | - |
| Features | AF illuminator, flash +/- compensation | AF illuminator, flash +/- compensation, wireless off-camera control, flash exposure bracketing, high-speed synchronization (HSS) |
| VIDEOGRAPHY / CAMCORDER | Pentax K-S1 | Sony Alpha6100 ILCE-6100Y + 16-50mm and 55-210mm |
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| Digital Video Format | H.264 | AVCHD, H.264, XAVC S |
|---|---|---|
| Image Recording Format | JPEG, DNG (RAW) + JPEG, DNG (RAW) | JPEG, RAW, RAW + JPEG |
| Max Video Resolution | 1920 x 1080 | 3840 x 2160 |
| Audio Signal Format | - | Dolby Digital AC-3 (2 channel), Linear PCM |
| Microphone Operation Mode | Mono | Stereo |
| Microphone Features | Sensitivity control | - |
| MEMORY | Pentax K-S1 | Sony Alpha6100 ILCE-6100Y + 16-50mm and 55-210mm |
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| Memory Card Slot | SD card | Memory Stick PRO Duo card, SD card |
|---|---|---|
| Supported Memory Cards | SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDXC UHS-I Memory Card | SD Memory Card, Memory Stick PRO Duo, SDXC Memory Card, SDHC Memory Card, Memory Stick PRO-HG Duo, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card |
| Memory Card Included | - | No |
| Image Storage | - | 6000 x 4000 4240 x 2832 3008 x 2000 6000 x 3376 4240 x 2400 3008 x 1688 4000 x 4000 2832 x 2832 2000 x 2000 |
| Video Capture | H.264 - 1920 x 1080 - 30 fps H.264 - 1920 x 1080 - 25 fps H.264 - 1920 x 1080 - 24 fps |
XAVC S - 3840 x 2160 p - 30 fps - 100Mbps XAVC S - 3840 x 2160 p - 24 fps - 100Mbps XAVC S - 3840 x 2160 p - 30 fps - 60Mbps XAVC S - 3840 x 2160 p - 24 fps - 60Mbps XAVC S HD - 1920 x 1080 p - 120 fps - 100Mbps XAVC S HD - 1920 x 1080 p - 120 fps - 60Mbps XAVC S HD - 1920 x 1080 p - 60 fps - 50Mbps XAVC S HD - 1920 x 1080 p - 30 fps - 50Mbps XAVC S HD - 1920 x 1080 p - 24 fps - 50Mbps XAVC S HD - 1920 x 1080 p - 60 fps - 25Mbps XAVC S HD - 1920 x 1080 p - 30 fps - 16Mbps AVCHD - 1920 x 1080 i - 60 fps - 24Mbps AVCHD - 1920 x 1080 i - 60 fps - 17Mbps XAVC S - 3840 x 2160 p - 25 fps - 100Mbps XAVC S - 3840 x 2160 p - 25 fps - 60Mbps XAVC S HD - 1920 x 1080 p - 100 fps - 100Mbps XAVC S HD - 1920 x 1080 p - 100 fps - 60Mbps XAVC S HD - 1920 x 1080 p - 50 fps - 50Mbps XAVC S HD - 1920 x 1080 p - 25 fps - 50Mbps XAVC S HD - 1920 x 1080 p - 50 fps - 25Mbps XAVC S HD - 1920 x 1080 p - 25 fps - 16Mbps AVCHD - 1920 x 1080 i - 50 fps - 24Mbps AVCHD - 1920 x 1080 i - 50 fps - 17Mbps |
| BATTERY AND CHARGING | Pentax K-S1 | Sony Alpha6100 ILCE-6100Y + 16-50mm and 55-210mm |
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| Battery Type | Pentax D-Li109 Lithium Ion | Sony NP-FW50 Lithium Ion |
|---|---|---|
| Details | Pentax D-Li109 Li-ion rechargeable battery (included) | Sony NP-FW50 Li-ion rechargeable battery - 1080 mAh (included) |
| Battery Life | Photo shooting - 480 shots (50% flash usage) Playback - 4.5 hours |
Photo shooting - 380 shots (EVF on) Photo shooting - 420 shots (LCD Monitor on) Video recording - 1.17 hours (EVF on) Video recording - 1.25 hours (LCD Monitor on) |
| CONNECTIONS | Pentax K-S1 | Sony Alpha6100 ILCE-6100Y + 16-50mm and 55-210mm |
|---|
| Interface | HDMI | HDMI, USB 2.0, IEEE 802.11b/g/n, NFC (Near Field Communication), Bluetooth 4.1 |
|---|---|---|
| Connectivity Features | - | Remote control via mobile devices, remote live view |
| Print Standard | DPOF support, Exif Print support | DPOF support, Exif Print support, PRINT Image Matching |
| Flash Terminal | Hot shoe | Hot shoe |
| Connector Type | USB 2.0 HDMI output (19 pin micro HDMI Type D) |
USB 2.0 (5 pin Micro-USB Type B) HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone stereo 3.5 mm) |
| FEATURES | Pentax K-S1 | Sony Alpha6100 ILCE-6100Y + 16-50mm and 55-210mm |
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| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec, 5 sec |
|---|---|---|
| Continuous Shooting Speed | 3 frames per second, 5.4 frames per second | 8 frames per second, 3 frames per second, 6 frames per second, 11 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, sharpness control, histogram display, saturation control, shadow point display, interval shooting mode, highlight point display, contrast control, Dynamic Range Optimizer, built-in help guide, Dolby Digital Stereo Creator, Chromatic Aberration Compensation (CAC), Multi-Frame Noise Reduction, Intelligent AUTO (iAUTO), Touch Shutter technology, fast motion recording, Clear Image Zoom, noise reduction over long exposures, Lens Distortion Correction, high ISO speed noise reduction, slow motion recording, peripheral shading correction |
| OTHERS | Pentax K-S1 | Sony Alpha6100 ILCE-6100Y + 16-50mm and 55-210mm |
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| Included Accessories | Battery charger, body cap, shoulder strap, eyecup, shoe cap | Eyepiece cover, lens hood, dust cap, body cap, lens cap, shoulder strap, AC power adaptor, micro-USB cable |
|---|---|---|
| Software | Drivers & Utilities | - |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | -10 °C | 0 °C |
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