- 35mm 858.0mm2
- 24.6 megapixels
- ISO 100 - 25,600
- Go in depth with our full Sigma fp Review.
- See real-world photos taken with the fp.
Links | ||
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Prices: | Compare Prices | Compare Prices |
Manufacturer URL: | Manufacturer website | Manufacturer website |
Predecessor: | ||
Successor: | ||
General | ||
Model Number: | K-S1 | fp |
Alternate Model Number(s): | ||
Camera Format: | SLR | Compact System Camera |
Currently Manufactured: | No | Yes |
Retail Price: | $799.95 | $1899.00 |
Street Price: | $501.65 | $1,699.33 |
Date Available: | 2014-09-15 | 2019-10-25 |
Tripod Mount: | Yes | Yes |
Weight: |
27.0 oz
(765 g)
includes batteries, kit lens |
14.9 oz
(422 g)
includes batteries |
Size: |
4.8 x
3.7 x
2.8 in. (121 x 93 x 70 mm) |
4.4 x
2.8 x
1.8 in. (113 x 70 x 45 mm) |
Waterproof: | No | No |
Waterproof Depth: | n/a | n/a |
Image Sensor | ||
Sensor Type: | CMOS | CMOS |
Sensor Manufacturer: | ||
Effective Megapixels: | 20.1 | 24.6 |
Sensor Format: | APS-C | 35mm |
Sensor size: | 366.6mm2 (23.50mm x 15.60mm) | 858.01mm2 (35.90mm x 23.90mm) |
Approximate Pixel Pitch: | 4.29 microns | 5.98 microns |
Focal Length Multiplier: | 1.5x | 1.0x |
Aspect Ratio: | 3:2 | 3:2 |
Color Filter Type: | RGBG | Bayer |
Anti Aliasing Filter: | Optional | None |
Self-Cleaning: | Yes | No |
Sensor shift image stabilization: | Yes | No |
On-Sensor Phase Detect: | No | No |
DxO Sensor Score: | 78 | |
DxO Color Depth Score (bits): | 23.5 | |
DxO Dynamic Range Score (evs): | 13.0 | |
DxO Maximum Effective ISO Score (iso): | 1,061 | |
Image Capture | ||
Image Resolution: |
5472 x 3648
(20.0 MP,
3:2), 4224 x 2816 (11.9 MP, 3:2), 3072 x 2048 (6.3 MP, 3:2), 1920 x 1280 (2.5 MP, 3:2) |
6000 x 4000
(24.0 MP,
3:2), 4240 x 2392 (10.1 MP, Other), 3008 x 2000 (6.0 MP, 3:2), 6000 x 3376 (20.3 MP, 16:9), 4240 x 2392 (10.1 MP, Other), 3008 x 1688 (5.1 MP, 16:9), 6000 x 2576 (15.5 MP, Other), 4240 x 1824 (7.7 MP, Other), 3008 x 1288 (3.9 MP, Other), 5664 x 4000 (22.7 MP, Other), 4000 x 2832 (11.3 MP, Other), 2832 x 2000 (5.7 MP, Other), 5344 x 4000 (21.4 MP, Other), 3776 x 2832 (10.7 MP, 4:3), 2672 x 2000 (5.3 MP, Other), 4672 x 4000 (18.7 MP, Other), 3312 x 2832 (9.4 MP, Other), 2336 x 2000 (4.7 MP, Other), 4000 x 4000 (16.0 MP, 1:1), 2832 x 2832 (8.0 MP, 1:1), 2000 x 2000 (4.0 MP, 1:1) |
Image File Format: | JPEG (EXIF 2.30), 12-bit RAW (.PEF, .DNG) | JPEG (EXIF 2.3), RAW (lossless compressed DNG (12 or 14 bit)), RAW+JPEG |
Continuous-mode frames/second: | 5.4 | 18.0 |
Video Capture | ||
Can take movies: | Yes | Yes |
Movie Resolution: |
1920x1080 (30p/25p/24p)
1280x720 (60p/50p) |
3840x2160 (30p/25p/24p)
1920x1080 (120p/100p/60p/50p/30p/25p/24p) |
Movie File Format: | MPEG-4 AVC/H.264 (MOV) | CinemaDNG (8/10/12-bit) / MOV H.264( ALL-I /GOP) with Linear PCM stereo audio (48KHz, 16-bit) |
Composite Video Out: | No | |
NTSC/PAL Switchable Video: | n/a | n/a |
Video Usable as Viewfinder: | n/a | n/a |
HD Video Out: | Yes | Yes |
HD Video Connection: | HDMI | HDMI |
Lens & Optics | ||
Lens Mount: | Pentax K (KA/KAF/KAF2) | L Mount |
Lens: | smc Pentax-DA L 18-55mm f/3.5-5.6 AL | n/a |
Focal Length (35mm equivalent): | 27 - 83mm | |
Focal Length (actual): | 18 - 55mm | |
Zoom Ratio: | 3.06x | |
Aperture Range: | f/3.5 - f/22 (wide) / f/5.6 - f/40 (tele) | |
Integrated ND Filter: | No | |
Normal Focus Range: |
25 cm to Infinity 9.8 in to Infinity |
|
Macro Focus Range: | ||
Filter Thread: | 52.0mm | n/a |
Thread Type: | n/a | n/a |
Optical Image Stabilization: | No | No |
Digital Zoom: | ||
Digital Zoom Values: | ||
Auto Focus | ||
Auto Focus: | Yes | Yes |
Auto Focus Type: | SAFOX IX i+, TTL phase-matching -11 point (9 cross type focus points in the center) | Contrast Detect AF: Auto, 49-points selection mode, Free Movement mode, Face / Eye Detection AF mode, Tracking AF mode |
Auto Focus Assist Light? | Yes | No |
Manual Focus: | Yes | Yes |
Viewfinder | ||
Viewfinder: | Optical / LCD | No / LCD |
Viewfinder Type: | SLR type; eye-level pentaprism, ~100% coverage, 0.95x mag., 20.5mm eyepoint, -2.5 to +1.5 diopter | Optional LCD View Finder LVF-11 can be attached to rear LCD |
Focus Peaking: | Yes | Yes |
EVF Resolution: | n/a | n/a |
Viewfinder Magnification (35mm equivalent): | 0.63x | |
Viewfinder Magnification (nominal/claimed): | 0.95x | |
Display | ||
Eye-level Viewfinder: | Yes | No |
Rear Display: | Yes | Yes |
Rear Display Size (inches): | 3.0 | 3.2 |
Rear Display Resolution: | 921,600 dots (307,200 px) | 2,100,000 dots |
Touchscreen: | No | Yes |
Articulating Screen: | No | No |
Tilt Swivel Screen: | No | No |
Selfie Screen: | No | No |
Max Playback Zoom: | 16.0x | |
Top Deck Display: | No | No |
Exposure | ||
Maximum ISO (native): | 51200 | 25600 |
Minimum ISO (native): | 100 | 100 |
ISO Settings: | Auto, 100-51200 (1, 1/2 or 1/3 EV steps) | Auto, 100-25600, expandable to ISO 6, 12, 25, 50, 51200, 102400 |
Auto ISO Mode: | Yes | Yes |
White Balance Settings: | Auto, Multi Auto, Daylight, Shade, Cloudy, Fluorescent Light (D: Daylight Color, N: Daylight White, W: Cool White, L: Warm White), Tungsten Light, Flash, CTE, Manual, Color Temperature | Auto, Auto (Lighting Source Priority), Daylight, Shade, Overcast, Incandescent, Fluorescent, Color Temperature, Flash, Custom 1/2/3 |
Shutter Speed Range: | 1/6000 - 30 sec | 1/8000 - 30 sec |
Bulb Mode: | Yes | Yes |
Exposure Compensation: | +/- 5.0EV in 0.3EV steps | +/- 5.0EV in 0.3EV steps |
Metering Modes: | TTL open-aperture: 77 segment Multi, Center-weighted, Spot | Evaluative, center-weighted average, spot |
Program Auto Exposure: | Yes | Yes |
Aperture Priority: | Yes | Yes |
Shutter Priority: | Yes | Yes |
Full Manual Exposure: | Yes | Yes |
Creative Exposure Modes: | Sensitivity Priority, Shutter & Aperture Priority (Tav); Scene: Portrait, Landscape, Macro, Moving Object, Night Scene Portrait, Sunset, Blue Sky, Forest, Night Scene, Night Scene HDR (JPEG only), Night Snap, Food, Pet, Kids, Surf & Snow, Backlight Silhouette, Candlelight, Stage Lighting, Museum; Effect: Faded Color, Clear Tone, Brilliant Color, Unicolor Bold, Vintage Color, Cross Processing, Warm Fade, Tone Expansion, Bold Monochrome, Infrared Filter, Vibrant Color Enhance; Digital filters (capture): Extract Color, Replace Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Unicolor Bold, Bold Monochrome; HDR: Auto, HDR1, HDR2, HDR3 | Color modes: Standard, Vivid, Neutral, Portrait, Landscape, Cinema, Teal & Orange, Sunset Red, Forest Green,FOV Classic Blue, FOV Classic Yellow, Monochrome; Fill Light, Shading Correction, HDR shooting |
Self Timer: | 2 or 12 seconds | 2 or 10 seconds |
Time Lapse (intervalometer): | Yes | |
High Resolution Composite: | No | No |
Flash | ||
Built-in Flash: | Yes | No |
Flash Modes: | Auto Flash Discharge, Auto Flash + Red-eye Reduction (Auto Picture, Scene) Flash On, Flash On+ Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync, Manual Flash Discharge (Full-1/128) | S-TTL automatic light control, Manual, Wireless flash, Multi-emission; Red-eye effect reduction, Slow synchronization, 2nd Curtain Synchronization |
Flash Guide Number (ISO 100): | 10.0 m / 32.8 ft. | n/a |
Flash Range Description: | Depends on lens | n/a |
Max Flash Sync: | 1/180 | 1/30 (1/15 in 14-bit mode) |
Flash Exposure Compensation: | -2 to +1 EV in 0.5EV steps | +/- 3.0 EV in 0.3EV steps |
External Flash Connection: | Hot Shoe | Hot Shoe Unit HU-11 (supplied) |
Built-In Wireless Flash Control: | No | |
Image Storage | ||
Usable Memory Types: | SD / SDHC / SDXC | SD / SDHC / SDXC |
UHS Support: | UHS-I | UHS-II |
Other Memory: | UHS-I compliant | |
Dual Card Slots: | No | No |
RAW Capture Support: | Yes | Yes |
Uncompressed Format: | 12-bit RAW (.PEF, .DNG) | RAW (lossless compressed DNG (12 or 14 bit)), RAW+JPEG |
Movie File Format: | MPEG-4 AVC/H.264 (MOV) | CinemaDNG (8/10/12-bit) / MOV H.264( ALL-I /GOP) with Linear PCM stereo audio (48KHz, 16-bit) |
Included Memory: | No memory included | No memory included |
Included Memory Type: | ||
Connectivity | ||
Built-In Wi-Fi: | No | No |
NFC: | No | No |
Bluetooth: | No | No |
Built-In GPS: | No | No |
Microphone Jack: | No | Yes |
Headphone Jack: | No | No |
External Connections: | USB 2.0 High Speed | USB 3.0 Super Speed |
PictBridge Compliant: | No | No |
DPOF Compliant: | Yes | Yes |
Remote Control: | Yes | Yes |
Remote Control Type: | Optional IR | Optional wired (Cable Release CR-41) |
Connections (extended): | Micro (Type D) HMDI | USB Type-C (USB3.1 Gen1), Micro HDMI (Type D), 3.5mm stereo mic/remote jack |
Performance Timing | ||
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): | ||
Cycle time for RAW shooting in single shot mode (seconds per frame): | ||
Buffer size for RAW shooting in single shot mode (frames): | ||
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): | ||
Camera penalizes early shutter press? | ||
JPEG shooting speed in burst mode (fps, max resolution): | 5.4 | 18.0 |
Buffer size for JPEG shooting in burst mode (frames, max resolution): | 20 | 12 |
RAW shooting speed in burst mode (fps): | 18.0 | |
Buffer size for RAW shooting in burst mode (frames): | 12 | |
RAW+JPEG shooting speed in burst mode (fps): | ||
Buffer Size for RAW+JPEG shooting in burst mode (frames): | ||
Shutter lag (full AF, wide/mid): | ||
Shutter lag (full AF, tele): | ||
Shutter lag (full AF, live view - DSLR): | ||
Shutter lag (prefocused, live view - DSLR): | ||
Shutter Lag (manual focus): | ||
Shutter lag (full AF, with flash): | ||
Shutter Lag (prefocused): | ||
Shutter Lag (notes): | ||
Startup Time: | ||
Play -> Record Time: | ||
Flash cycle time, full power: | ||
Power | ||
Battery Life, Stills (CIPA Rating Monitor/Live View): | ||
Battery Life, Still (CIPA Rating OVF/EVF): | 480 shots | |
Battery Life, Video: | ||
Battery Form Factor: | Proprietary D-LI109 | Proprietary BP-51 |
Usable Battery Types: | Lithium-ion rechargeable | Lithium-ion rechargeable |
Batteries Included: | 1 x Proprietary D-LI109 Lithium-ion rechargeable | 1 x Proprietary BP-51 Lithium-ion rechargeable |
Battery Charger Included (dedicated charger or AC/USB adapter): | Yes | Yes |
Dedicated Battery Charger Included: | No | |
Internal Charging Supported: | Yes | |
Software | ||
Included Software: | Digital Camera Utility 5 Software CD-ROM | |
OS Compatibility: | ||
Miscellaneous | ||
Notes & Features: | The K-S1 comes in 3 standard colors: black, blue, and white. In addition, two separate color collections are available; The Fabric Collection, containing 4 unique colors such as cotton beige and tweed gray – and the Night Sky Collection, with 5 more elegant colors like Sunset Orange, Dawn Purple, and Midnight Black. |