• APS-C 368.2mm2
  • 14.6 megapixels
  • ISO 100 - 3200
  • 1/2.3 inch 28.1mm2
  • 14.0 megapixels
  • 28.00mm - 280.00mm (35mm eq.)
  • Detailed specifications
  • Pentax K20D
  • Pentax Optio RZ10
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 RZ10
Alternate Model Number(s):    
Camera Format: Pro SLR Compact
Currently Manufactured: No No
Retail Price: $799.95 $219.95
Street Price:   $177.33
Date Available: 2008-04-30 2010-10-15
Tripod Mount: Yes Yes
Weight: 28.3 oz (802 g)
includes batteries
6.3 oz (179 g)
includes batteries
Size: 5.6 x 4.0 x 2.8 in.
(142 x 102 x 70 mm)
3.8 x 2.4 x 1.3 in.
(97 x 61 x 33 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CCD
Sensor Manufacturer:    
Effective Megapixels: 14.6 14.0
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 1.44 microns
Focal Length Multiplier: 1.5x n/a
Aspect Ratio: 3:2 4:3, 16:9
Color Filter Type: RGBG 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)
4288 x 3216 (13.8 MP, 4:3),
3216 x 3216 (10.3 MP, 1:1),
4224 x 2376 (10.0 MP, 16:9),
3072 x 2304 (7.1 MP, 4:3),
1920 x 1080 (2.1 MP, 16:9),
640 x 480 (0.3 MP, 4:3)
Image File Format: JPEG (EXIF 2.21), RAW (.PEF, .DNG) JPEG (EXIF 2.3)
Continuous-mode frames/second: 2.8 3.7
Video Capture
Can take movies: No Yes
Movie Resolution: 1280x720 (30/​15)
640x480 (30/​15)
320x240 (30/​15)
Movie File Format:   AVI (Motion JPEG)
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 Pentax Lens; 9 elements in 6 groups (5 aspherical)
Focal Length (35mm equivalent):   28 - 280mm
Focal Length (actual):   5 - 50mm
Zoom Ratio:   10.00x
Aperture Range:   f/3.2 (W) to f/5.9 (T)
Integrated ND Filter: No No
Normal Focus Range:   40 cm to Infinity
15.7 in to Infinity
Macro Focus Range:   1 - 30 cm
0.4 - 11.8 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 6.7x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 11-point TTL phase-matching (SAFOX VIII) Contrast Detection; 9-point AF, Spot AF, Auto tracking AF
Auto Focus Assist Light? Yes No
Manual Focus: Yes Yes
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 2.7
Rear Display Resolution: 230,000 dots 230,000 dots
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
Exposure
Maximum ISO (native): 3200  
Minimum ISO (native): 100  
ISO Settings: Auto, 100, 200, 400, 800, 1600, 3200, 6400 (expanded) Auto: 80-800, Digital SR 80-6400 (ISO 3200-6400 at 5M) Manual: 80-6400 (ISO 3200-6400 at 5M)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (W, D, N), Flash, Color Temperature Auto, Daylight, Shade, Tungsten, Fluorescent, Manual
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 TTL Multi-segment, Center-weighted, Spot
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 Portrait, Night Scene Portrait, Night Scene, Movie, Landscape, Blue Sky, Sunset, Flower, Sport, Pet, Digital SR (ISO 3200-6400 5M), Natural Skin Tone, Kids, Fireworks, Frame Composite (3M), Party, Food, Candlelight, Text, Surf & Snow, Digital Wide (5M), Digital Panorama (2M per frame)
Self Timer: 2 or 12 seconds 2 or 10 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, Flash Off, Flash On, Auto + Redeye, On + Redeye, Soft
Flash Guide Number (ISO 100): 13.0 m / 42.7 ft. n/a
Flash Range Description: Depends on lens Auto ISO: 17ft (wide), 9.2ft (tele)
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 No
Uncompressed Format: RAW (.PEF, .DNG)  
Movie File Format:   AVI (Motion JPEG)
Included Memory: No memory included 82.7 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 High Speed
PictBridge Compliant: Yes No
DPOF Compliant: Yes Yes
Remote Control: Yes
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 3.7
Buffer size for JPEG shooting in burst mode (frames, max resolution): 38 14
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):   260 shots
Battery Life, Still (CIPA Rating OVF/EVF): 530 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI50 Proprietary D-LI92
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI50 Lithium-ion rechargeable 1 x Proprietary D-LI92 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 Software CD-ROM with MediaImpression 2.0 for PENTAX
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. Sensor-shift Shake Reduction, High-speed Burst Mode (up to 9.1 fps for 40 images), D-Range. Available in classic black, pure white, lime and violet.