In depth comparison and review of Pentax K-S1 and Fujifilm X Series X-Pro3. 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-Pro3 |
|---|
| Product Type | Digital camera - 1080p - SLR with Live View mode, movie recording | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 9.3 cm | 8.28 cm |
| Width | 12 cm | 14.05 cm |
| Depth | 7 cm | 4.61 cm |
| Weight | 485 g | 447 g |
| Weight Details | - | Camera body only: 447 g Camera with battery and memory card: 497 g |
| Body Material | - | Titanium, magnesium alloy frame |
| Enclosure Colour | White | Black | Black | DR black |
| Protection | - | Dust-resistant, wear-resistant |
| SENSOR | Pentax K-S1 | Fujifilm X Series X-Pro3 |
|---|
| Sensor Resolution | 20.12 Megapixel | 26.1 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | X-Trans CMOS 4 |
| Total Pixels | 20,420,000 pixels | - |
| Effective Sensor Resolution | 20,120,000 pixels | 26,100,000 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 | Yes |
| Sensor Features | Special Protect (SP) coating | Dust Reduction (image sensor vibration) |
| PROCESSOR | Pentax K-S1 | Fujifilm X Series X-Pro3 |
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| Image Processor | PRIME MII | X-Processor 4 |
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| LENS | Pentax K-S1 | Fujifilm X Series X-Pro3 |
|---|
| Lens Mounting Type | Pentax KAF2 | Fujifilm X Mount |
|---|
| FOCUSING | Pentax K-S1 | Fujifilm X Series X-Pro3 |
|---|
| Auto Focus | TTL phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 11 | - |
| AE/AF Control | Face-priority AF, Subject-tracking AF | Subject-tracking AF |
| Face Detection | Yes | - |
| VIEWFINDER | Pentax K-S1 | Fujifilm X Series X-Pro3 |
|---|
| Viewfinder Type | Optical - fixed eye-level pentaprism | Hybrid - reverse Galilean OLED |
|---|---|---|
| Viewfinder Resolution | - | 3,690,000 pixels |
| Optical Viewfinder Field Coverage | 100% | - |
| Optical Viewfinder Magnification | 0.95x | 0.52x |
| Optical Viewfinder Dioptric Correction Range | -2.5 to +1.5 | -4 to +2 |
| Features | - | Auto eye sensor |
| EXPOSURE & WHITE BALANCE | Pentax K-S1 | Fujifilm X Series X-Pro3 |
|---|
| ISO (Max) | 51200 | 51200 |
|---|---|---|
| Native ISO | 100-51200 | 160-12800 |
| Extended ISO (Max) | - | 25600 (H1), 51200 (H2) |
| Extended ISO (Min) | - | 80 (L1), 100 (L2), 125 (L3) |
| Light Sensitivity | ISO 100-51200, ISO auto (100-51200) | ISO 100, ISO 125, ISO 80, ISO auto, ISO 51200, ISO 25600, ISO 160-12800 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Multi-segment, centre-weighted, spot, average |
| Exposure Metering Zones | 77 | 256 |
| Exposure Modes | Programme, automatic, manual, aperture-priority, shutter-priority, shutter & aperture priority | Bulb, automatic, manual, aperture-priority, shutter-priority |
| Bracketing Modes | - | Dynamic Range Bracketing, Film Simulation Bracketing, focus bracketing, ISO sensitivity 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 | Soft focus, miniature, Film Simulation, partial colour, Toy camera, High Key, Low Key, Pop Colour, 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 (warm white), Underwater, 2500K - 10000K, fluorescent light (daylight colour) |
| Shutter Type | Mechanical electronically-controlled | Mechanical, electronic |
| Max Shutter Speed | 1/6000 sec | 1/32000 sec |
| Min Shutter Speed | 30 sec | 4 sec |
| Exposure Compensation | ±5 EV range, in 1/2 or 1/3 EV steps | ±5 EV range, in 1/3 EV steps |
| Auto Exposure Bracketing | - | 2, 3, 5, 7, 9 steps in 1/3 - 3 EV steps |
| White Balance Bracketing | Yes | Yes |
| X-sync Speed | 1/180 sec | 1/250sec |
| Exposure Range | EV 0-22 (ISO 100) | - |
| DISPLAY | Pentax K-S1 | Fujifilm X Series X-Pro3 |
|---|
| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | - | Yes |
| Display Format | 921,000 pixels | 1,620,000 pixels |
| Display Form Factor | Built-in | Tilting |
| Display Features | Colour control, display brightness control | Display brightness control |
| FLASH | Pentax K-S1 | Fujifilm X Series X-Pro3 |
|---|
| 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 | Fujifilm X Series X-Pro3 |
|---|
| 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 | 4096 x 2160 |
| Audio Signal Format | - | Linear PCM |
| Microphone Operation Mode | Mono | Stereo |
| Microphone Features | Sensitivity control | - |
| MEMORY | Pentax K-S1 | Fujifilm X Series X-Pro3 |
|---|
| 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, SDHC UHS-II Memory Card, SDXC UHS-II Memory Card |
| Memory Card Included | - | No |
| Memory Card Max Supported Size | - | 512 GB |
| Image Storage | - | 6240 x 4160 6240 x 3512 4416 x 2944 4416 x 2488 3120 x 2080 3120 x 1760 4160 x 4160 2944 x 2944 2080 x 2080 |
| Video Capture | H.264 - 1920 x 1080 - 30 fps H.264 - 1920 x 1080 - 25 fps H.264 - 1920 x 1080 - 24 fps |
MOV - 4096 x 2160 p - 29.97 fps MOV - 4096 x 2160 p - 25 fps MOV - 4096 x 2160 p - 24 fps MOV - 4096 x 2160 p - 23.98 fps MOV - 3840 x 2160 p - 29.97 fps MOV - 3840 x 2160 p - 25 fps MOV - 3840 x 2160 p - 24 fps MOV - 3840 x 2160 p - 23.98 fps MOV - 2048 x 1080 p - 25 fps MOV - 2048 x 1080 p - 24 fps MOV - 2048 x 1080 p - 23.98 fps MOV - 2048 x 1080 p - 59.94 fps MOV - 2048 x 1080 p - 50 fps MOV - 2048 x 1080 p - 29.97 fps MOV - 1920 x 1080 p - 59.94 fps MOV - 1920 x 1080 p - 50 fps MOV - 1920 x 1080 p - 29.97 fps MOV - 1920 x 1080 p - 25 fps MOV - 1920 x 1080 p - 24 fps MOV - 1920 x 1080 p - 23.98 fps MOV - 1920 x 1080 p - 120 fps - high speed recording MOV - 1920 x 1080 p - 100 fps - high speed recording |
| BATTERY AND CHARGING | Pentax K-S1 | Fujifilm X Series X-Pro3 |
|---|
| 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 - 250 shots (EVF on) Photo shooting - 350 shots (OVF normal mode) Video recording - 60 minutes (4K resolution) Video recording - 75 minutes (Full HD resolution) |
| CONNECTIONS | Pentax K-S1 | Fujifilm X Series X-Pro3 |
|---|
| Interface | HDMI | USB-C, IEEE 802.11b/g/n, Bluetooth 4.2 |
|---|---|---|
| Connectivity Features | - | Remote control via mobile devices, remote live view, Wireless Image Transfer |
| 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 3.2 Gen 1 (USB Type-C) Microphone / remote control (sub-mini phone stereo 2.5 mm) |
| FEATURES | Pentax K-S1 | Fujifilm X Series X-Pro3 |
|---|
| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec |
|---|---|---|
| Continuous Shooting Speed | 3 frames per second, 5.4 frames per second | 4 frames per second, 8 frames per second, 3 frames per second, 5 frames per second, 5.7 frames per second, 20 frames per second, 10 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, interval shooting mode, primary colour filter |
| OTHERS | Pentax K-S1 | Fujifilm X Series X-Pro3 |
|---|
| Included Accessories | Battery charger, body cap, shoulder strap, eyecup, shoe cap | Cleaning cloth, body cap, shoulder strap, protective cover, strap clip, clip attaching tool, hot shoe cover, USB-C to USB-A cable |
|---|---|---|
| Software | Drivers & Utilities | - |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | -10 °C | -10 °C |
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