• APS-C 368.2mm2
  • 14.6 megapixels
  • ISO 100 - 3200
  • 1/2.3 inch 28.1mm2
  • 12.0 megapixels
  • 28.00mm - 140.00mm (35mm eq.)
  • Detailed specifications
  • Pentax K20D
  • Olympus Tough TG-820
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 TG-820
Alternate Model Number(s):    
Camera Format: Pro SLR Compact
Currently Manufactured: No No
Retail Price: $799.95 $299.99
Street Price:   $179.00
Date Available: 2008-04-30 2012-03-15
Tripod Mount: Yes Yes
Weight: 28.3 oz (802 g)
includes batteries
7.3 oz (206 g)
includes batteries
Size: 5.6 x 4.0 x 2.8 in.
(142 x 102 x 70 mm)
4.0 x 2.6 x 1.0 in.
(101 x 65 x 26 mm)
Waterproof: No Yes
Waterproof Depth: n/a  
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:    
Effective Megapixels: 14.6 12.0
Sensor Format: APS-C 1/2.3 inch
Sensor size: 368.16mm2 (23.60mm x 15.60mm) 28.0735mm2 (6.17mm x 4.55mm)
Approximate Pixel Pitch: 5.05 microns 1.55 microns
Focal Length Multiplier: 1.5x n/a
Aspect Ratio: 3:2 4:3
Color Filter Type: RGBG  
Anti Aliasing Filter: Fixed  
Self-Cleaning: Yes No
Sensor shift image stabilization: Yes Yes
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)
3968 x 2976 (11.8 MP, 4:3),
3968 x 2976 (11.8 MP, 4:3),
3264 x 2448 (8.0 MP, 4:3),
2560 x 1920 (4.9 MP, 4:3),
2048 x 1536 (3.1 MP, 4:3),
1600 x 1200 (1.9 MP, 4:3),
1280 x 960 (1.2 MP, 4:3),
640 x 480 (0.3 MP, 4:3)
Image File Format: JPEG (EXIF 2.21), RAW (.PEF, .DNG) JPEG, .MPO
Continuous-mode frames/second: 2.8 5.0
Video Capture
Can take movies: No Yes
Movie Resolution: 1920x1080 (30p)
1280x720 (30p)
640x480 (30p)
Movie File Format:   MOV/H.264
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder: No
HD Video Out: No Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: Pentax K (KA/KAF/KAF2) n/a
Lens: n/a Olympus Lens, 11 Lenses in 8 Groups, 4/8 Aspherical Lenses
Focal Length (35mm equivalent):   28 - 140mm
Focal Length (actual):   5 - 25mm
Zoom Ratio:   5.00x
Aperture Range:   f/3.9 (wide) / f/5.9 (tele) - ???
Integrated ND Filter: No No
Normal Focus Range:   60 cm to Infinity
23.6 in to Infinity
Macro Focus Range:   3 - 60 cm
1.2 - 23.6 in
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: No Yes
Digital Zoom Values: n/a Up to 4x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 11-point TTL phase-matching (SAFOX VIII) Contrast Detection: Face Detect AF, iESP Auto, Spot AF, AF Tracking
Auto Focus Assist Light? Yes No
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 3.0
Rear Display Resolution: 230,000 dots 1,030,000 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, High, 100, 200, 400, 800, 1600, 3200, 6400
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (W, D, N), Flash, Color Temperature Auto, Sunlight, Overcast, Tungsten, Fluorescent1, Underwater, Custom
Shutter Speed Range: 1/4000 - 30 sec 1/2000 - 4 sec
Bulb Mode: Yes No
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: TTL open-aperture: 16-segment, Center-weighted, Spot Digital ESP Metering, Spot Metering
Program Auto Exposure: Yes Yes
Aperture Priority: Yes No
Shutter Priority: Yes No
Full Manual Exposure: Yes No
Creative Exposure Modes: Sensitivity Priority, Shutter and Aperture Priority Scene Modes (Portrait, Landscape, Night Scene, Night + Portrait, SPORT, Indoor, Candle, Self Portrait, Sunset, Fireworks, Cuisine, Documents, Beach & Snow, Underwater Snapshot, Underwater Wide 1, Underwater Wide 2, Underwater Macro, Pet (Cat), Pet (Dog), Snow, 3D, Backlight HDR); Magic Art Filters (Pop Art, Pin Hole, Fish Eye, Drawing, Soft Focus, Punk, Sparkle, Water Color, Reflection, Miniature, Fragmented, Dramatic); In-Camera Panorama (Card), PC Panorama (Up to 10 frames automatically stitchable with ib software)
Self Timer: 2 or 12 seconds 2, 12, Pet auto-shutter 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 Auto, Red-Eye Reduction, Fill-In, Off
Flash Guide Number (ISO 100): 13.0 m / 42.7 ft. n/a
Flash Range Description: Depends on lens ISO 800: Wide: 0.66ft (0.2m) - 11.5ft (3.5m), Tele: 1.64 ft (0.5m) - 8.2ft (2.5m)
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 / SDXC
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes No
Uncompressed Format: RAW (.PEF, .DNG)  
Movie File Format:   MOV/H.264
Included Memory: No memory included 46.8 MB
Included Memory Type:   built-in memory
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 No
Remote Control: Yes
Remote Control Type: Wired or IR  
Connections (extended): DC input, wired remote Multi-Terminal (USB Connector, Audio/Video Output), HDMI Type-D
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 5.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 38 25
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):   220 shots
Battery Life, Still (CIPA Rating OVF/EVF): 530 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI50 Proprietary LI-50B
Usable Battery Types: Lithium-ion rechargeable Lithium Ion rechargeable
Batteries Included: 1 x Proprietary D-LI50 Lithium-ion rechargeable 1 x Proprietary LI-50B 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 OLYMPUS [ib] software CD-ROM
OS Compatibility: Windows XP/Vista, MacOS 10.2 or later Windows XP/Vista/7, Mac OS X10.3-10.5
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. Waterproof to 10m, Freezeproof to -10C, Crushproof to 100kgf, Shockproof to 2m, Dustproof, Sensor-shift Image Stabilization, 1080p Movies, iHS Technology. Available in silver, black or blue.