• APS-C 368.2mm2
  • 14.6 megapixels
  • ISO 100 - 3200
  • APS-C 369.0mm2
  • 14.8 megapixels
  • 45.00mm (35mm eq.)
  • Detailed specifications
  • Pentax K20D
  • Sigma DP2 Merrill
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax K10D
K10D vs K20D 		 
Successor: Pentax K-7
K20D vs K-7 		 
General
Model Number: K20D DP2 Merrill
Alternate Model Number(s):    
Camera Format: Pro SLR Mid-Sized
Currently Manufactured: No No
Retail Price: $799.95 $999.99
Street Price:   $3,194.26
Date Available: 2008-04-30 2013-03-12
Tripod Mount: Yes Yes
Weight: 28.3 oz (802 g)
includes batteries 		12.5 oz (355 g)
Size: 5.6 x 4.0 x 2.8 in.
(142 x 102 x 70 mm) 		4.8 x 2.6 x 2.3 in.
(122 x 66 x 58 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:   Foveon X3
Effective Megapixels: 14.6 14.8
Sensor Format: APS-C APS-C
Sensor size: 368.16mm2 (23.60mm x 15.60mm) 368.95mm2 (23.50mm x 15.70mm)
Approximate Pixel Pitch: 5.05 microns 5.00 microns
Focal Length Multiplier: 1.5x n/a
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG Full Color
Anti Aliasing Filter: Fixed Not needed
Self-Cleaning: Yes No
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 65  
DxO Color Depth Score (bits): 22.9  
DxO Dynamic Range Score (evs): 11.1  
DxO Maximum Effective ISO Score (iso): 639  
Image Capture
Image Resolution: 4672 x 3104 (14.5 MP, Other),
3872 x 2592 (10.0 MP, Other),
3008 x 2000 (6.0 MP, 3:2),
1824 x 1216 (2.2 MP, 3:2) 		4704 x 3136 (14.8 MP, 3:2),
3264 x 2176 (7.1 MP, 3:2),
2336 x 1568 (3.7 MP, Other)
Image File Format: JPEG (EXIF 2.21), RAW (.PEF, .DNG) JPEG, 12-bit RAW (.X3F), RAW+JPEG
Continuous-mode frames/second: 2.8 4.0
Video Capture
Can take movies: No Yes
Movie Resolution: 640x480 (30)
Movie File Format:   AVI (Motion JPEG) with monaural sound
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder: No
HD Video Out: No No
HD Video Connection:
Lens & Optics
Lens Mount: Pentax K (KA/KAF/KAF2) n/a
Lens: n/a Sigma Lens; 8 elements in 6 groups
Focal Length (35mm equivalent):   45mm
Focal Length (actual):   30mm
Zoom Ratio:   Non-Zoom
Aperture Range:   f/2.8 - f/16, with 9-bladed diaphragm
Integrated ND Filter: No No
Normal Focus Range:   100 cm to Infinity
39.4 in to Infinity
Macro Focus Range:   28 cm to Infinity
11.0 in to Infinity
Filter Thread: n/a 49.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: No No
Digital Zoom Values: n/a n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 11-point TTL phase-matching (SAFOX VIII) Contrast Detection; 9 points select mode, Free move mode (It is possible to change the size of Focus Frame to Spot, Regular and Large.)
Auto Focus Assist Light? Yes No
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD No / LCD
Viewfinder Type: SLR type; eye-level pentaprism, coverage: 95%, magnification: 0.95x, diopter: -2.5 to 1.5 Optional add-on optical type VF-21.
Focus Peaking: No No
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): 2.7 3.0
Rear Display Resolution: 230,000 dots 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: 32.0x 10.0x
Top Deck Display: Yes No
Exposure
Maximum ISO (native): 3200 6400
Minimum ISO (native): 100 100
ISO Settings: Auto, 100, 200, 400, 800, 1600, 3200, 6400 (expanded) Auto (with programmable low and high limits), 100-6400 in 1 or 1/3 EV steps
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (W, D, N), Flash, Color Temperature Auto, Sunlight, Shade, Overcast, Incandescent, Fluorescent, Flash, Custom
Shutter Speed Range: 1/4000 - 30 sec 1/2000 - 30 sec
Bulb Mode: Yes No
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 3.0EV in 0.3EV steps
Metering Modes: TTL open-aperture: 16-segment, 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 and Aperture Priority No scene modes or effects. Note that maximum shutter speed varies with aperture. Top shutter speeds are 1/2000s at f/5.6-f/16, 1/1600s at f/4.0-f/16 and 1/1250s at f/2.8-f/16.
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: On, Redeye, Slow Sync, Slow Sync + Redeye, Trailing Curtain Sync, Wireless Normal, Redeye, Slow Sync., Redeye + Slow Sync (with compatible external flash unit)
Flash Guide Number (ISO 100): 13.0 m / 42.7 ft. n/a
Flash Range Description: Depends on lens n/a
Max Flash Sync: 1/180  
Flash Exposure Compensation: -2 to +1 EV in 0.3EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe, PC-Sync Socket Hot Shoe
Built-In Wireless Flash Control: Full TTL exposure  
Image Storage
Usable Memory Types: SD / SDHC SD / SDHC / SDXC
UHS Support:   No UHS support
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW (.PEF, .DNG) 12-bit RAW (.X3F), RAW+JPEG
Movie File Format:   AVI (Motion JPEG) with monaural sound
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: Yes No
DPOF Compliant: Yes Yes
Remote Control: Yes No
Remote Control Type: Wired or IR  
Connections (extended): DC input, wired remote Combined USB/AV
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.39  
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.36  
Buffer size for RAW shooting in single shot mode (frames): 11  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):    
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 2.8 4.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 38 7
RAW shooting speed in burst mode (fps):   4.0
Buffer size for RAW shooting in burst mode (frames):   7
RAW+JPEG shooting speed in burst mode (fps):   4.0
Buffer Size for RAW+JPEG shooting in burst mode (frames):   7
Shutter lag (full AF, wide/mid): 0.17 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.090 seconds  
Shutter lag (full AF, with flash): 0.24 seconds  
Shutter Lag (prefocused): 0.089 seconds  
Shutter Lag (notes): Live View: Full AF = n/a Prefocused = 0.659s Prefocused with flash = 2.395s  
Startup Time: 0.4 seconds  
Play -> Record Time: 0.5 seconds  
Flash cycle time, full power: 3.1 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   97 shots
Battery Life, Still (CIPA Rating OVF/EVF): 530 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI50 Proprietary BP-41
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI50 Lithium-ion rechargeable 2 x Proprietary BP-41 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes Yes
Internal Charging Supported: No No
Software
Included Software: CD-ROM S-SW74/75 SIGMA Photo Pro
OS Compatibility: Windows XP/Vista, MacOS 10.2 or later Windows, Mac OS
Miscellaneous
Notes & Features: PENTAX-developed Shake Reduction (SR) system; Weather and dust resistant body; Live View mode that allows users to see the full image area to confirm composition, focus status and lighting on the large 2.7 inch LCD monitor; Expanded Dynamic Range function; Improved Dust Reduction system that features the new Dust Alert function to pinpoint the exact location of dust particles for the photographer to remove. Update of DP2x with same 14.8MP x 3 Foveon X3 Full Color sensor used in the SD1, 3-inch 921K-dot LCD, and dual TRUE II processors.