• APS-C 368.2mm2
  • 14.6 megapixels
  • ISO 100 - 3200
  • 1/2.5 inch 24.7mm2
  • 8.1 megapixels
  • 35.00mm - 105.00mm (35mm eq.)
  • Detailed specifications
  • Pentax K20D
  • Nikon Coolpix S520
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 S520
Alternate Model Number(s):    
Camera Format: Pro SLR Ultra Compact
Currently Manufactured: No No
Retail Price: $799.95 $229.95
Street Price:   $162.44
Date Available: 2008-04-30 2008-03-15
Tripod Mount: Yes Yes
Weight: 28.3 oz (802 g)
includes batteries 		4.1 oz (115 g)
Size: 5.6 x 4.0 x 2.8 in.
(142 x 102 x 70 mm) 		3.7 x 2.1 x 0.9 in.
(94 x 53 x 23 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CCD
Sensor Manufacturer:    
Effective Megapixels: 14.6 8.1
Sensor Format: APS-C 1/2.5 inch
Sensor size: 368.16mm2 (23.60mm x 15.60mm) 24.7104mm2 (5.76mm x 4.29mm)
Approximate Pixel Pitch: 5.05 microns 1.77 microns
Focal Length Multiplier: 1.5x n/a
Aspect Ratio: 3:2 4:3, 16:9
Color Filter Type: RGBG  
Anti Aliasing Filter: Fixed  
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) 		3246 x 2448 (7.9 MP, 4:3),
3200 x 1800 (5.8 MP, 16:9),
2592 x 1944 (5.0 MP, 4:3),
2048 x 1536 (3.1 MP, 4:3),
1024 x 768 (0.8 MP, 4:3),
640 x 480 (0.3 MP, 4:3)
Image File Format: JPEG (EXIF 2.21), RAW (.PEF, .DNG)
Continuous-mode frames/second: 2.8 n/a
Video Capture
Can take movies: No No
Movie Resolution:
Movie File Format:    
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder: No
HD Video Out: No
HD Video Connection:
Lens & Optics
Lens Mount: Pentax K (KA/KAF/KAF2) n/a
Lens: n/a Nikkor lens, 5 elements in 5 groups
Focal Length (35mm equivalent):   35 - 105mm
Focal Length (actual):   5.7 - 17.1mm
Zoom Ratio:   3.00x
Aperture Range:   f/2.8 (wide) / f/4.7 (tele) - ???
Integrated ND Filter: No No
Normal Focus Range:   50 cm to Infinity
19.7 in to Infinity
Macro Focus Range:   15 cm to Infinity
5.9 in to Infinity
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: No Yes
Digital Zoom Values: n/a Up to 4x
Auto Focus
Auto Focus: Yes No
Auto Focus Type: 11-point TTL phase-matching (SAFOX VIII) Contrast Detect with Face Priority AF
Auto Focus Assist Light? Yes n/a
Manual Focus: Yes No
Viewfinder
Viewfinder: Optical / LCD LCD
Viewfinder Type: SLR type; eye-level pentaprism, coverage: 95%, magnification: 0.95x, diopter: -2.5 to 1.5  
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 2.5
Rear Display Resolution: 230,000 dots 154,000 dots
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 32.0x  
Top Deck Display: Yes
Exposure
Maximum ISO (native): 3200  
Minimum ISO (native): 100  
ISO Settings: Auto, 100, 200, 400, 800, 1600, 3200, 6400 (expanded) Auto (64 - 1600), 64, 100, 200, 400, 800, 1600, 2000
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (W, D, N), Flash, Color Temperature  
Shutter Speed Range: 1/4000 - 30 sec  
Bulb Mode: Yes No
Exposure Compensation: +/- 3.0EV in 0.3EV steps  
Metering Modes: TTL open-aperture: 16-segment, Center-weighted, Spot  
Program Auto Exposure: Yes No
Aperture Priority: Yes No
Shutter Priority: Yes No
Full Manual Exposure: Yes No
Creative Exposure Modes: Sensitivity Priority, Shutter and Aperture Priority  
Self Timer: 2 or 12 seconds  
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: On, Redeye, Slow Sync, Slow Sync + Redeye, Trailing Curtain Sync, Wireless n/a
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  
External Flash Connection: Hot Shoe, PC-Sync Socket n/a
Built-In Wireless Flash Control: Full TTL exposure  
Image Storage
Usable Memory Types: SD / SDHC SD / SDHC
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes
Uncompressed Format: RAW (.PEF, .DNG)  
Movie File Format:    
Included Memory: No memory included 23.0 MB
Included Memory Type:   Internal
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 Full (LOW) Speed
PictBridge Compliant: Yes No
DPOF Compliant: Yes No
Remote Control: Yes No
Remote Control Type: Wired or IR  
Connections (extended): DC input, wired remote  
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  
Buffer size for JPEG shooting in burst mode (frames, max resolution): 38  
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): 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):   180 shots
Battery Life, Still (CIPA Rating OVF/EVF): 530 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI50 Proprietary EN-EL10
Usable Battery Types: Lithium-ion rechargeable Lithium Ion rechargeable
Batteries Included: 1 x Proprietary D-LI50 Lithium-ion rechargeable 1 x Proprietary EN-EL10 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: CD-ROM S-SW74/75  
OS Compatibility: Windows XP/Vista, MacOS 10.2 or later  
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.