In depth comparison and review of Pentax K-S1 and Sigma fp. 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 | Sigma fp |
|---|
| 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 | 6.99 cm |
| Width | 12 cm | 11.26 cm |
| Depth | 7 cm | 4.53 cm |
| Weight | 485 g | 370 g |
| Weight Details | - | Camera body only: 370 g Camera with battery and memory card: 422 g |
| Body Material | - | Aluminium |
| Enclosure Colour | White | Black | - |
| Protection | - | Splashproof, dust-resistant |
| SENSOR | Pentax K-S1 | Sigma fp |
|---|
| Sensor Resolution | 20.12 Megapixel | 24.6 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | BSI-CMOS |
| Total Pixels | 20,420,000 pixels | 25,300,000 pixels |
| Effective Sensor Resolution | 20,120,000 pixels | 24,600,000 pixels |
| Optical Sensor Size | APS-C (23.5 x 15.6 mm) | Full Frame (35.9 x 23.1 mm) |
| Frame Rate (Max Resolution) | - | 30 fps |
| Sensor Dust Reduction | Yes | - |
| Sensor Features | Special Protect (SP) coating | - |
| Image Stabiliser | - | Electronic |
| PROCESSOR | Pentax K-S1 | Sigma fp |
|---|
| Image Processor | PRIME MII | - |
|---|
| LENS | Pentax K-S1 | Sigma fp |
|---|
| Lens Mounting Type | Pentax KAF2 | L-Mount |
|---|
| FOCUSING | Pentax K-S1 | Sigma fp |
|---|
| Auto Focus | TTL phase detection | TTL contrast detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 11 | 49 |
| Auto Focus Features | - | Focus Peaking function, Predictive Focus Control |
| AE/AF Control | Face-priority AF, Subject-tracking AF | Face-priority AF, Subject-tracking AF, Eye detection AF, Predictive AI Servo AF |
| Face Detection | Yes | Face-priority AF function |
| VIEWFINDER | Pentax K-S1 | Sigma fp |
|---|
| 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 | Sigma fp |
|---|
| ISO (Max) | 51200 | 102400 |
|---|---|---|
| Native ISO | 100-51200 | 100-25600 |
| Extended ISO (Max) | - | 102400 |
| Extended ISO (Min) | - | 6 |
| Light Sensitivity | ISO 100-51200, ISO auto (100-51200) | ISO 50, ISO 102400, ISO 51200, ISO 100-25600, ISO 6, ISO 12, ISO 25 |
| 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, manual, aperture-priority, shutter-priority |
| 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 | Cinema, Neutral, Vivid, monochrome, landscape, portrait, Sunset Red, Forest Green, FOV Classic Blue, FOV Classic Yellow, Standard, Teal & Orange |
| 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, fluorescent, Flash, daylight, shade, overcast |
| Shutter Type | Mechanical electronically-controlled | Electronic |
| Max Shutter Speed | 1/6000 sec | 1/8000 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 1/3 EV steps |
| Auto Exposure Bracketing | - | 3, 5 steps in 1/3 EV step |
| White Balance Bracketing | Yes | - |
| X-sync Speed | 1/180 sec | - |
| Exposure Range | EV 0-22 (ISO 100) | EV -5-18 (ISO 100) |
| DISPLAY | Pentax K-S1 | Sigma fp |
|---|
| Type | 3" LCD display | 3.15" LCD display |
|---|---|---|
| Touch Screen | - | Yes |
| Display Format | 921,000 pixels | 2,100,000 pixels |
| Display Form Factor | Built-in | Built-in |
| Display Features | Colour control, display brightness control | - |
| FLASH | Pentax K-S1 | Sigma fp |
|---|
| 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 | Sigma fp |
|---|
| Digital Video Format | H.264 | H.264, MOV, CinemaDNG |
|---|---|---|
| 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 | - | Linear PCM |
| Microphone Operation Mode | Mono | Stereo |
| Microphone Features | Sensitivity control | - |
| MEMORY | Pentax K-S1 | Sigma fp |
|---|
| 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 |
| Image Storage | - | RAW 6000 x 4000 RAW 3840 x 2560 - 1.5x crop RAW 3008 x 2000 RAW 1920 x 1080 - 1.5x crop |
| Video Capture | H.264 - 1920 x 1080 - 30 fps H.264 - 1920 x 1080 - 25 fps H.264 - 1920 x 1080 - 24 fps |
3840 x 2160 p - 29.97 fps 3840 x 2160 p - 25 fps 3840 x 2160 p - 23.98 fps 1920 x 1080 p - 119.88 fps 1920 x 1080 p - 100 fps 1920 x 1080 p - 59.94 fps 1920 x 1080 p - 50 fps 1920 x 1080 p - 29.97 fps 1920 x 1080 p - 25 fps 1920 x 1080 p - 23.98 fps |
| BATTERY AND CHARGING | Pentax K-S1 | Sigma fp |
|---|
| Battery Type | Pentax D-Li109 Lithium Ion | Sigma BP-51 Lithium Ion |
|---|---|---|
| Details | Pentax D-Li109 Li-ion rechargeable battery (included) | Sigma BP-51 Li-ion rechargeable battery (included) |
| Battery Life | Photo shooting - 480 shots (50% flash usage) Playback - 4.5 hours |
Photo shooting - 280 shots Video recording - 70 minutes |
| CONNECTIONS | Pentax K-S1 | Sigma fp |
|---|
| Interface | HDMI | HDMI, USB 3.1 |
|---|---|---|
| Print Standard | DPOF support, Exif Print support | - |
| Tripod Mount Connection Point | - | 3 x 1/4" sockets |
| 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) HDMI output (19 pin micro HDMI Type D) Microphone / remote control (mini-phone stereo 3.5 mm) |
| FEATURES | Pentax K-S1 | Sigma fp |
|---|
| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec |
|---|---|---|
| Continuous Shooting Speed | 3 frames per second, 5.4 frames per second | 3 frames per second, 5 frames per second, 18 frames per second |
| HDR Mode | Auto HDR mode | Multi Frame 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, AE lock, AF lock, USB charging, Bayer mosaic RGB filter, no Optical Low Pass Filter (OLFP) |
| OTHERS | Pentax K-S1 | Sigma fp |
|---|
| Included Accessories | Battery charger, body cap, shoulder strap, eyecup, shoe cap | Carrying strap, body cap, AC power adaptor, USB cable, strap holder, hot shoe unit |
|---|---|---|
| Software | Drivers & Utilities | - |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | -10 °C | 0 °C |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
