• 0.98 inch 285.7mm2
  • 4.6 megapixels
  • 28.00mm (35mm eq.)
  • 35mm 861.6mm2
  • 36.4 megapixels
  • ISO 100 - 204,800
  • Detailed specifications
  • Sigma DP1
  • Pentax K-1
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:   Pentax K-1 II
K-1 vs K-1 II
General
Model Number: DP1 K-1
Alternate Model Number(s):    
Camera Format: Mid-Sized Pro SLR
Currently Manufactured: No No
Retail Price: $999.00 $1799.95
Street Price:    
Date Available: 2008-03-31 2016-04-15
Tripod Mount: Yes Yes
Weight: 9.8 oz (278 g)
includes batteries
35.8 oz (1,015 g)
includes batteries
Size: 4.5 x 2.3 x 2.0 in.
(113 x 60 x 50 mm)
5.4 x 4.3 x 3.4 in.
(137 x 110 x 86 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Foveon X3  
Effective Megapixels: 4.6 36.4
Sensor Format: 0.98 inch 35mm
Sensor size: 285.66mm2 (20.70mm x 13.80mm) 861.6mm2 (35.90mm x 24.00mm)
Approximate Pixel Pitch: 7.84 microns 4.88 microns
Focal Length Multiplier: n/a 1.0x
Aspect Ratio: 3:2, 16:9 3:2
Color Filter Type: Full Color RGBG
Anti Aliasing Filter:   Optional
Self-Cleaning: No Yes
Sensor shift image stabilization: No Yes
On-Sensor Phase Detect: No No
DxO Sensor Score:   96
DxO Color Depth Score (bits):   25.4
DxO Dynamic Range Score (evs):   14.6
DxO Maximum Effective ISO Score (iso):   3,280
Image Capture
Image Resolution: 2640 x 1760 (4.6 MP, 3:2),
2640 x 1485 (3.9 MP, 16:9),
1872 x 1248 (2.3 MP, 3:2),
1312 x 880 (1.2 MP, Other)
7360 x 4912 (36.2 MP, 3:2),
5760 x 3840 (22.1 MP, 3:2),
4224 x 2816 (11.9 MP, 3:2),
1920 x 1280 (2.5 MP, 3:2),
4800 x 3200 (15.4 MP, 3:2),
4224 x 2816 (11.9 MP, 3:2),
3456 x 2304 (8.0 MP, 3:2),
1920 x 1280 (2.5 MP, 3:2)
Image File Format: JPEG (EXIF 2.21), 12-bit RAW (.X3F) JPEG (EXIF 2.30), 14-bit RAW (.PEF, .DNG), RAW+JPEG
Continuous-mode frames/second: 3.8 4.6
Video Capture
Can take movies: Yes Yes
Movie Resolution: 320x240 (30) 1920x1080 (60i/​50i/​30p/​25p/​24p)
1280x720 (60p/​50p)
Movie File Format: AVI MPEG-4 AVC/H.264 (MOV), JPEG (AVI) for interval movie record
Composite Video Out: Yes No
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: n/a
HD Video Out: No Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: n/a Pentax K (KA/KAF/KAF2/3)
Lens: Sigma Lens (6 Elements in 5 Groups) n/a
Focal Length (35mm equivalent): 28mm  
Focal Length (actual): 16.6mm  
Zoom Ratio: Non-Zoom  
Aperture Range: f/4.0 - 11  
Integrated ND Filter: No No
Normal Focus Range: 50 cm to Infinity
19.7 in to Infinity
 
Macro Focus Range: 30 cm to Infinity
11.8 in to Infinity
 
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes
Digital Zoom Values: 3.0x  
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 9-point contrast detection TTL Phase-detection AF: SAFOX 12, 33 point (25 cross type focus points in the center), Spot, Select, Expanded Area (S, M, L), Zone select, Auto (33 AF points)
Auto Focus Assist Light? No Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: LCD Optical / LCD
Viewfinder Type: Optional add-on type. SLR type; eye-level pentaprism, 100% coverage, 0.7x mag., Eyepoint: 20.6mm (from the view window) / 21.7mm (from the center of lens), -3.5 to +1.2 diopter, Natural-Bright-Matte III focusing screen
Focus Peaking: No Yes
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent):   0.70x
Viewfinder Magnification (nominal/claimed):   0.70x
Display
Eye-level Viewfinder: No Yes
Rear Display: Yes Yes
Rear Display Size (inches): 2.5 3.2
Rear Display Resolution: 230,000 dots 1,036,800 dots (345,600 px)
Touchscreen: No No
Articulating Screen: No Yes
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom:   16.0x
Top Deck Display: Yes
Exposure
Maximum ISO (native):   204800
Minimum ISO (native):   100
ISO Settings: Auto (100 - 200), Flash (100 - 400), 100, 200, 400, 800 Auto, 100-204800 (1, 1/2 or 1/3 EV steps)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Sunlight, Shade, Overcast, Incandescent, Fluorescent, Flash, Custom Auto, Multi Auto WB, Daylight, Shade, Cloudy, Fluorescent Light (D: Daylight Color, N:Daylight White, W:Cool White, L:Warm White), Tungsten Light, Flash, CTE, Manual (up to 3 settings), Color Temperature (up to 3 settings)
Shutter Speed Range: 1/2000 - 15 sec 1/8000 - 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: Multi-segment with 86K-pixel RGB sensor, Center-weighted, 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 and Aperture Priority; Digital filters (capture): Extract Color, Replace Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Unicolor Bold, Bold Monochrome; HDR: Auto, HDR1, HDR2, HDR3; Pixel Shift Resolution (On/Off); Multi-Exposure, Interval Shooting, Interval Composite, Interval Movie Record, Star Stream
Self Timer: 2 or 10 seconds 2 or 12 seconds
Time Lapse (intervalometer):   Yes
High Resolution Composite: No 36.2 megapixels
Flash
Built-in Flash: Yes No
Flash Modes: Anti red-eye, Auto, Fill-in, Slow Sync, Off P-TTL; Modes available depends on external flash mounted
Flash Guide Number (ISO 100): 6.0 n/a
Flash Range Description: ISO 200: 30cm to 2.1m n/a
Max Flash Sync:   1/200
Flash Exposure Compensation:   -2 to +1 EV in 0.5EV steps
External Flash Connection: Hot Shoe (X Sync. Contact) Hot Shoe, PC Sync socket
Built-In Wireless Flash Control:   No
Image Storage
Usable Memory Types: SD / SDHC SD / SDHC / SDXC
UHS Support:   UHS-I
Other Memory:    
Dual Card Slots: No Yes
RAW Capture Support: Yes Yes
Uncompressed Format: 12-bit RAW (.X3F) 14-bit RAW (.PEF, .DNG), RAW+JPEG
Movie File Format: AVI MPEG-4 AVC/H.264 (MOV), JPEG (AVI) for interval movie record
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No No
Bluetooth: No No
Built-In GPS: No Yes
Microphone Jack: No Yes
Headphone Jack: No Yes
External Connections: USB 2.0 High Speed USB 2.0 High Speed,WiFi
PictBridge Compliant: No No
DPOF Compliant: Yes Yes
Remote Control: No Yes
Remote Control Type:   Optional wired, IR wireless or Wi-Fi
Connections (extended): Audio out (monaural) Micro (Type D) HMDI, USB 2.0 Micro B, DC input, wired remote jack, 3.5mm external stereo mic jack, 3.5mm stereo headphone jack
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 5.70 <0.3
Cycle time for RAW shooting in single shot mode (seconds per frame): 6.47  
Buffer size for RAW shooting in single shot mode (frames): 7  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   <0.3
Camera penalizes early shutter press? Yes Yes
JPEG shooting speed in burst mode (fps, max resolution): 3.8 4.6
Buffer size for JPEG shooting in burst mode (frames, max resolution): 3 74
RAW shooting speed in burst mode (fps):   4.6
Buffer size for RAW shooting in burst mode (frames):   17
RAW+JPEG shooting speed in burst mode (fps):   4.6
Buffer Size for RAW+JPEG shooting in burst mode (frames):   13
Shutter lag (full AF, wide/mid): 1.53 seconds 0.09 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):   0.247 seconds
Shutter Lag (manual focus): 0.160 seconds 0.087 seconds
Shutter lag (full AF, with flash): 1.71 seconds  
Shutter Lag (prefocused): 0.132 seconds 0.086 seconds
Shutter Lag (notes): "Full AF" mode used.  
Startup Time: 3.9 seconds 1.2 seconds
Play -> Record Time: 0.2 seconds 0.3 seconds
Flash cycle time, full power: 8.2 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 250 shots  
Battery Life, Still (CIPA Rating OVF/EVF):   760 shots
Battery Life, Video:    
Battery Form Factor: Proprietary BP-31 Proprietary D-LI90
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary BP-31 Lithium-ion rechargeable 1 x Proprietary D-LI90 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 Software CD-ROM S-SW162 includes Digital Camera Utility 5
OS Compatibility: Windows, Mac OS  
Miscellaneous
Notes & Features: Optional accessories include: Optical View Finder VF-11, Hood Adapter HA-11, SAC-3 AC Adapter, Electronic Flash EF-140 DG