• APS-C 369.0mm2
  • 19.6 megapixels
  • 28.00mm (35mm eq.)
  • APS-C 366.6mm2
  • 20.1 megapixels
  • ISO 100 - 51,200
  • Detailed specifications
  • Sigma dp1 Quattro
  • Pentax K-S1
Links
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Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: dp1 Quattro K-S1
Alternate Model Number(s):    
Camera Format: Mid-Sized SLR
Currently Manufactured: Yes No
Retail Price: $999.00 $799.95
Street Price: $899.00 $501.65
Date Available: 2014-10-15 2014-09-15
Tripod Mount: Yes Yes
Weight: 15.0 oz (425 g) 27.0 oz (765 g)
includes batteries, kit lens
Size: 6.4 x 2.6 x 3.4 in.
(161 x 67 x 87 mm)
4.8 x 3.7 x 2.8 in.
(121 x 93 x 70 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Foveon X3 Quattro  
Effective Megapixels: 19.6 20.1
Sensor Format: APS-C APS-C
Sensor size: 368.95mm2 (23.50mm x 15.70mm) 366.6mm2 (23.50mm x 15.60mm)
Approximate Pixel Pitch: 4.33 microns 4.29 microns
Focal Length Multiplier: 1.5x 1.5x
Aspect Ratio: 3:2 3:2
Color Filter Type: Full Color RGBG
Anti Aliasing Filter: Not needed Optional
Self-Cleaning: No Yes
Sensor shift image stabilization: No Yes
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: 5424 x 3616 (19.6 MP, 3:2),
4816 x 3616 (17.4 MP, 4:3),
5424 x 3048 (16.5 MP, 16:9),
3616 x 3616 (13.1 MP, 1:1),
5424 x 2328 (12.6 MP, Other),
2704 x 1808 (4.9 MP, 3:2),
2400 x 1808 (4.3 MP, 4:3),
2704 x 1520 (4.1 MP, 16:9),
1808 x 1808 (3.3 MP, 1:1),
2704 x 1160 (3.1 MP, Other),
7680 x 5120 (39.3 MP, 3:2),
6816 x 5120 (34.9 MP, 4:3),
7680 x 4320 (33.2 MP, 16:9),
5120 x 5120 (26.2 MP, 1:1),
7680 x 3296 (25.3 MP, Other)
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)
Image File Format: JPEG (EXIF 2.3), 14-bit RAW (.X3F), RAW+JPEG JPEG (EXIF 2.30), 12-bit RAW (.PEF, .DNG)
Continuous-mode frames/second: n/a 5.4
Video Capture
Can take movies: No Yes
Movie Resolution: 1920x1080 (30p/​25p/​24p)
1280x720 (60p/​50p)
Movie File Format:   MPEG-4 AVC/H.264 (MOV)
Composite Video Out: No
NTSC/PAL Switchable Video: n/a n/a
Video Usable as Viewfinder: n/a n/a
HD Video Out: No Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: n/a Pentax K (KA/KAF/KAF2)
Lens: Sigma Lens; 9 elements in 8 groups smc Pentax-DA L 18-55mm f/3.5-5.6 AL
Focal Length (35mm equivalent): 28mm 27 - 83mm
Focal Length (actual): 19mm 18 - 55mm
Zoom Ratio: 1.00x 3.06x
Aperture Range: f/2.8 - f/16, with 9-bladed diaphragm f/3.5 - f/22 (wide) / f/5.6 - f/40 (tele)
Integrated ND Filter: No No
Normal Focus Range: 100 cm to Infinity
39.4 in to Infinity
25 cm to Infinity
9.8 in to Infinity
Macro Focus Range: 20 cm to Infinity
7.9 in to Infinity
 
Filter Thread: 58.0mm 52.0mm
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: Contrast Detection: 9 points select mode, Free move mode (It is possible to change the size of Focus Frame to Spot, Regular and Large), Face Detection AF mode SAFOX IX i+, TTL phase-matching -11 point (9 cross type focus points in the center)
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: No / LCD Optical / LCD
Viewfinder Type: Optional VF-31 hotshoe-mounted optical viewfinder available SLR type; eye-level pentaprism, ~100% coverage, 0.95x mag., 20.5mm eyepoint, -2.5 to +1.5 diopter
Focus Peaking: No Yes
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent):   0.63x
Viewfinder Magnification (nominal/claimed):   0.95x
Display
Eye-level Viewfinder: No Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 921,600 dots (307,200 px) 921,600 dots (307,200 px)
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 10.0x 16.0x
Top Deck Display: No No
Exposure
Maximum ISO (native): 6400 51200
Minimum ISO (native): 100 100
ISO Settings: Auto, 100-6400 in 1/3 EV steps; Auto has programmable High/Low limits Auto, 100-51200 (1, 1/2 or 1/3 EV steps)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Auto (Lighting Source Priority), Daylight, Shade, Overcast, Incandescent, Fluorescent, Color Temperature, Flash, Custom 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
Shutter Speed Range: 1/2000 - 30 sec 1/6000 - 30 sec
Bulb Mode: No Yes
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: Evaluative, center-weighted average, spot TTL open-aperture: 77 segment Multi, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Color modes: Standard, Vivid, Neutral, Portrait, Landscape, Cinema, Sunset Red, Forest Green, FOV Classic Blue, FOV Classic Yellow, Monochrome 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
Self Timer: 2 or 10 seconds 2 or 12 seconds
Time Lapse (intervalometer): Yes  
High Resolution Composite: No No
Flash
Built-in Flash: No Yes
Flash Modes: Normal, Redeye, Slow Sync., Redeye + Slow Sync (with compatible external flash unit) 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)
Flash Guide Number (ISO 100): n/a 10.0 m / 32.8 ft.
Flash Range Description: Optional EF-140S compact flash has GN=14m (ISO 100) Depends on lens
Max Flash Sync: 1/1250 at F2.8, 1/1600 at F4 and 1/2000 at F5.6 1/180
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps -2 to +1 EV in 0.5EV steps
External Flash Connection: Hot Shoe Hot Shoe
Built-In Wireless Flash Control:    
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support: UHS-I UHS-I
Other Memory:   UHS-I compliant
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: 14-bit RAW (.X3F), RAW+JPEG 12-bit RAW (.PEF, .DNG)
Movie File Format:   MPEG-4 AVC/H.264 (MOV)
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 No
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 2.0 High Speed
PictBridge Compliant: No No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Via USB cable switch Optional IR
Connections (extended):   Micro (Type D) HMDI
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
Buffer size for JPEG shooting in burst mode (frames, max resolution):   20
RAW shooting speed in burst mode (fps):    
Buffer size for RAW shooting in burst mode (frames):    
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): 200 shots  
Battery Life, Still (CIPA Rating OVF/EVF):   480 shots
Battery Life, Video:    
Battery Form Factor: Proprietary BP-51 Proprietary D-LI109
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 2 x Proprietary BP-51 Lithium-ion rechargeable 1 x Proprietary D-LI109 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes
Internal Charging Supported: No
Software
Included Software: SIGMA Photo Pro Digital Camera Utility 5 Software CD-ROM
OS Compatibility: Windows, Mac OS  
Miscellaneous
Notes & Features: New Foveon X3 Quattro sensor and TRUE III image processing engine. 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.