• 0.98 inch 285.7mm2
  • 4.6 megapixels
  • 28.00mm (35mm eq.)
  • APS-C 361.2mm2
  • 25.7 megapixels
  • ISO 100 - 1,600,000
  • Detailed specifications
  • Sigma DP1
  • Pentax K-3 III
Links
Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Pentax K-3 II
K-3 II vs K-3 III
Successor:    
General
Model Number: DP1 K-3 III
Alternate Model Number(s):   K-3 Mark III
Camera Format: Mid-Sized Pro SLR
Currently Manufactured: No Yes
Retail Price: $999.00 $1999.95
Street Price:   $1,846.95
Date Available: 2008-03-31 2021-04-06
Tripod Mount: Yes Yes
Weight: 9.8 oz (278 g)
includes batteries
28.9 oz (820 g)
includes batteries
Size: 4.5 x 2.3 x 2.0 in.
(113 x 60 x 50 mm)
5.3 x 4.1 x 2.9 in.
(135 x 104 x 74 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Foveon X3  
Effective Megapixels: 4.6 25.7
Sensor Format: 0.98 inch APS-C
Sensor size: 285.66mm2 (20.70mm x 13.80mm) 361.15mm2 (23.30mm x 15.50mm)
Approximate Pixel Pitch: 7.84 microns 3.76 microns
Focal Length Multiplier: n/a 1.5x
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:    
DxO Color Depth Score (bits):    
DxO Dynamic Range Score (evs):    
DxO Maximum Effective ISO Score (iso):    
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)
6192 x 4128 (25.6 MP, 3:2),
4752 x 3168 (15.1 MP, 3:2),
3648 x 2432 (8.9 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 12.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 320x240 (30) 3840x2160 (30p/​24p)
1920x1080 (60p/​50p/​30p/​25p/​24p)
Movie File Format: AVI MPEG-4 AVC/H.264 (MOV)
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/KAF2/3/4)
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 SAFOX 13 TTL phase-matching - 101 point (25 cross type focus points in the center)
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, 1.05x mag., 20.5mm eyepoint, -4.0 to +1.0 diopter
Focus Peaking: No Yes
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent):   1.05x
Viewfinder Magnification (nominal/claimed):    
Display
Eye-level Viewfinder: No Yes
Rear Display: Yes Yes
Rear Display Size (inches): 2.5 3.2
Rear Display Resolution: 230,000 dots 1,620,000 dots (540,000 px)
Touchscreen: No Yes
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom:   16.0x
Top Deck Display: Yes
Exposure
Maximum ISO (native):   1600000
Minimum ISO (native):   100
ISO Settings: Auto (100 - 200), Flash (100 - 400), 100, 200, 400, 800 Auto, 100-1600000 (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), Copying the white balance setting of a captured image
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 307K-pixel RGBIr sensor, Center-weighted, Spot, Highlight-weighted
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes:   Scene Analyze Auto, Program, Sensitivity Priority, Shutter Priority, Aperture Priority, Shutter & Aperture Priority; Digital filters (capture): Extract Color, Replace Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Unicolor Bold, Tone Expansion, Bold Monochrome, Grainy Monochrome; HDR: Auto, HDR1, HDR2, HDR3, Advanced HDR, Exposure bracket value adjustable, Automatic composition correction function; Pixel Shift Resolution (On/Off)
Self Timer: 2 or 10 seconds 2 or 12 seconds
Time Lapse (intervalometer):    
High Resolution Composite: No 24.0 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-II
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)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No No
Bluetooth: No Yes
Built-In GPS: No No
Microphone Jack: No Yes
Headphone Jack: No Yes
External Connections: USB 2.0 High Speed USB 3.0 Super Speed,Bluetooth,WiFi
PictBridge Compliant: No No
DPOF Compliant: Yes Yes
Remote Control: No Yes
Remote Control Type:   Optional Wired or IR
Connections (extended): Audio out (monaural) USB 3.2 Gen1 (Type-C), Micro B,Micro (Type D) HMDI, External cable switch terminal (2.5mm), X-sync socket, 3.5mm stereo mic input, 3.5mm headphone jack
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 5.70  
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):    
Camera penalizes early shutter press? Yes
JPEG shooting speed in burst mode (fps, max resolution): 3.8 12.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 3 30
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): 1.53 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.160 seconds  
Shutter lag (full AF, with flash): 1.71 seconds  
Shutter Lag (prefocused): 0.132 seconds  
Shutter Lag (notes): "Full AF" mode used.  
Startup Time: 3.9 seconds  
Play -> Record Time: 0.2 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):   800 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 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