In depth comparison and review of Pentax K-S1 and Fujifilm X Series X-A20 + Fujinon XC 15-45mm OIS PZ. 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 | Fujifilm X Series X-A20 + Fujinon XC 15-45mm OIS PZ |
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| Product Type | Digital camera - 1080p - SLR with Live View mode, movie recording | Digital camera - mirrorless system |
|---|---|---|
| Lens Included | Body only | Fujinon XC 15-45mm OIS PZ lens |
| Height | 9.3 cm | 6.74 cm |
| Width | 12 cm | 11.69 cm |
| Depth | 7 cm | 4.04 cm |
| Weight | 485 g | 299 g |
| Weight Details | - | Camera body only: 299 g Camera with battery and memory card: 348 g |
| Enclosure Colour | White | Black | Mint | Silver | Brown |
| Optical Zoom | - | 3x |
| SENSOR | Pentax K-S1 | Fujifilm X Series X-A20 + Fujinon XC 15-45mm OIS PZ |
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| Sensor Resolution | 20.12 Megapixel | 16.3 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | CMOS |
| Total Pixels | 20,420,000 pixels | - |
| Effective Sensor Resolution | 20,120,000 pixels | 16,300,000 pixels |
| Optical Sensor Size | APS-C (23.5 x 15.6 mm) | APS-C (23.6 x 15.6 mm) |
| Sensor Dust Reduction | Yes | Yes |
| Sensor Features | Special Protect (SP) coating | Dust Reduction (image sensor vibration) |
| Image Stabiliser | - | Optical |
| PROCESSOR | Pentax K-S1 | Fujifilm X Series X-A20 + Fujinon XC 15-45mm OIS PZ |
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| Image Processor | PRIME MII | - |
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| LENS | Pentax K-S1 | Fujifilm X Series X-A20 + Fujinon XC 15-45mm OIS PZ |
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| Type | - | Fujinon zoom lens - 3x zoom - 15 - 45 mm - f/3.5-5.6 XC OIS PZ - zoom |
|---|---|---|
| Focal Length Equivalent to 35mm Camera | - | 23 - 69mm |
| Focus Adjustment | - | Automatic, manual |
| Min Focus Distance | - | 13 cm |
| Macro Focus Range | - | 5cm |
| Zoom Adjustment | - | Motorised drive |
| Lens Construction | - | 9 groups / 10 elements |
| Filter Size | - | 52 mm |
| Lens Mounting Type | Pentax KAF2 | Fujifilm X Mount |
| Features | - | ED glass, aspherical lens, stepping motor |
| FOCUSING | Pentax K-S1 | Fujifilm X Series X-A20 + Fujinon XC 15-45mm OIS PZ |
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| Auto Focus | TTL phase detection | TTL contrast detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 11 | 49 |
| Auto Focus Features | - | Focus Peaking function |
| AE/AF Control | Face-priority AF, Subject-tracking AF | Auto-area AF, Subject-tracking AF, Eye detection AF, Auto Macro AF |
| Face Detection | Yes | Eye Detect AF |
| VIEWFINDER | Pentax K-S1 | Fujifilm X Series X-A20 + Fujinon XC 15-45mm OIS PZ |
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| 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 | - |
| EXPOSURE & WHITE BALANCE | Pentax K-S1 | Fujifilm X Series X-A20 + Fujinon XC 15-45mm OIS PZ |
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| ISO (Max) | 51200 | 25600 |
|---|---|---|
| Native ISO | 100-51200 | - |
| Light Sensitivity | ISO 100-51200, ISO auto (100-51200) | ISO 100, ISO auto, ISO 200-6400, ISO 12800, ISO 25600 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Multi-segment, spot, average |
| Exposure Metering Zones | 77 | 256 |
| 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, Film Simulation Bracketing, ISO sensitivity 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, night mode, text, fireworks, multiple exposure, flower, sports mode, sunset, beach, night (tripod), snow, portrait enhancer |
| 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 | Sepia, fisheye, soft focus, monochrome, miniature, Film Simulation, partial colour, Toy camera, High Key, Low Key, Pop Colour, Cross Screen, Dynamic tone |
| 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) | Fine, incandescent, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Underwater |
| Shutter Type | Mechanical electronically-controlled | Mechanical, electronic |
| Max Shutter Speed | 1/6000 sec | 1/32000 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 1/3 EV steps |
| Auto Exposure Bracketing | - | 3 steps in 1/3, 2/3 or 1 EV steps |
| White Balance Bracketing | Yes | - |
| X-sync Speed | 1/180 sec | - |
| Exposure Range | EV 0-22 (ISO 100) | - |
| DISPLAY | Pentax K-S1 | Fujifilm X Series X-A20 + Fujinon XC 15-45mm OIS PZ |
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| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | - | Yes |
| Display Format | 921,000 pixels | 1,040,000 pixels |
| Display Form Factor | Built-in | Folding |
| Display Features | Colour control, display brightness control | - |
| FLASH | Pentax K-S1 | Fujifilm X Series X-A20 + Fujinon XC 15-45mm OIS PZ |
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| Camera Flash | Pop-up 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 | Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction |
| Red-Eye Reduction | Yes | Yes |
| Features | AF illuminator, flash +/- compensation | AF illuminator, wireless off-camera control |
| VIDEOGRAPHY / CAMCORDER | Pentax K-S1 | Fujifilm X Series X-A20 + Fujinon XC 15-45mm OIS PZ |
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| Digital Video Format | H.264 | H.264, MOV |
|---|---|---|
| Image Recording Format | JPEG, DNG (RAW) + JPEG, DNG (RAW) | JPEG, RAW, RAW + JPEG |
| Max Video Resolution | 1920 x 1080 | - |
| Microphone Operation Mode | Mono | Stereo |
| Microphone Features | Sensitivity control | - |
| MEMORY | Pentax K-S1 | Fujifilm X Series X-A20 + Fujinon XC 15-45mm OIS PZ |
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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-I Memory Card, SDXC UHS-I Memory Card |
| Memory Card Included | - | No |
| Memory Card Max Supported Size | - | 256 GB |
| Image Storage | - | 4896 x 3264 4896 x 2760 3456 x 2304 3456 x 1944 2496 x 1664 2496 x 1408 3264 x 3264 2304 x 2304 1664 x 1664 |
| 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 - 1920 x 1080 p - 30 fps H.264 - 1280 x 720 p - 30 fps |
| BATTERY AND CHARGING | Pentax K-S1 | Fujifilm X Series X-A20 + Fujinon XC 15-45mm OIS PZ |
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| Battery Type | Pentax D-Li109 Lithium Ion | Fujifilm NP-W126S Lithium Ion |
|---|---|---|
| Details | Pentax D-Li109 Li-ion rechargeable battery (included) | Fujifilm NP-W126S Li-ion rechargeable battery (included) |
| Battery Life | Photo shooting - 480 shots (50% flash usage) Playback - 4.5 hours |
Photo shooting - 410 shots (with XF 35mm lens) |
| CONNECTIONS | Pentax K-S1 | Fujifilm X Series X-A20 + Fujinon XC 15-45mm OIS PZ |
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| Interface | HDMI | HDMI, USB 2.0, IEEE 802.11b/g/n |
|---|---|---|
| Connectivity Features | - | Remote control via mobile devices, remote live view, Wireless Image Transfer, wireless image printing |
| Print Standard | DPOF support, Exif Print support | Direct print, DPOF support, Exif Print support, PictBridge support |
| 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 mini HDMI Type C) |
| FEATURES | Pentax K-S1 | Fujifilm X Series X-A20 + Fujinon XC 15-45mm OIS PZ |
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| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec |
|---|---|---|
| Continuous Shooting Speed | 3 frames per second, 5.4 frames per second | 3 frames per second, 6 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 | Sharpness control, digital image rotation, camera orientation detection, histogram display, in-camera red-eye removal, cropping an image, resizing an image, in-camera RAW processing, Motion Panorama, date stamp, Advanced SR AUTO mode, Photobook assist |
| OTHERS | Pentax K-S1 | Fujifilm X Series X-A20 + Fujinon XC 15-45mm OIS PZ |
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| Included Accessories | Battery charger, body cap, shoulder strap, eyecup, shoe cap | Dust cap, body cap, lens cap, shoulder strap, AC power adaptor |
|---|---|---|
| Software | Drivers & Utilities | - |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | -10 °C | 0 °C |
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