• 1/2.3 inch 28.1mm2
  • 12.1 megapixels
  • 28.00mm - 110.00mm (35mm eq.)
  • 1/2.3 inch 28.1mm2
  • 16.1 megapixels
  • 25.00mm - 125.00mm (35mm eq.)
  • Detailed specifications
  • Pentax Optio P80
  • Samsung ST66
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: P80 ST66
Alternate Model Number(s):    
Camera Format: Ultra Compact Compact
Currently Manufactured: No No
Retail Price: $199.95 $119.00
Street Price:   $229.95
Date Available: 2009-09-15 2012-03-15
Tripod Mount: Yes Yes
Weight: 4.2 oz (119 g)
includes batteries 		3.6 oz (101 g)
Size: 3.8 x 2.1 x 0.8 in.
(97 x 53 x 20 mm) 		3.5 x 2.1 x 0.7 in.
(90 x 53 x 17 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CCD
Sensor Manufacturer:    
Effective Megapixels: 12.1 16.1
Sensor Format: 1/2.3 inch 1/2.3 inch
Sensor size: 28.0735mm2 (6.17mm x 4.55mm) 28.0735mm2 (6.17mm x 4.55mm)
Approximate Pixel Pitch: 1.54 microns 1.34 microns
Focal Length Multiplier: n/a n/a
Aspect Ratio: 4:3, 16:9 4:3
Color Filter Type: RGBG  
Anti Aliasing Filter:    
Self-Cleaning: No No
Sensor shift image stabilization: No No
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: 4000 x 3000 (12.0 MP, 4:3),
3072 x 2304 (7.1 MP, 4:3),
2592 x 1944 (5.0 MP, 4:3),
2048 x 1536 (3.1 MP, 4:3),
1920 x 1080 (2.1 MP, 16:9),
1024 x 768 (0.8 MP, 4:3),
640 x 480 (0.3 MP, 4:3) 		4608 x 3456 (15.9 MP, 4:3),
4608 x 3072 (14.2 MP, 3:2),
4608 x 2592 (11.9 MP, 16:9),
3648 x 2736 (10.0 MP, 4:3),
2592 x 1944 (5.0 MP, 4:3),
1984 x 1488 (3.0 MP, 4:3),
1920 x 1080 (2.1 MP, 16:9),
1024 x 768 (0.8 MP, 4:3)
Image File Format: JPEG (EXIF 2.2) JPEG
Continuous-mode frames/second: 0.9 n/a
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (30/​15)
640x480 (30/​15)
320x240 (30/​15) 		1280x720 (30p/​15p)
640x480 (30p/​15p)
320x240 (30p/​15p)
Movie File Format: AVI (Motion JPEG) AVI (Motion JPEG) with monaural sound
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder:
HD Video Out: No
HD Video Connection:
Lens & Optics
Lens Mount: n/a n/a
Lens: Pentax Zoom; 7 elements, 6 groups, 3 aspheric Samsung Zoom
Focal Length (35mm equivalent): 28 - 110mm 25 - 125mm
Focal Length (actual): 4.9 - 19.6mm 4.5 - 22.5mm
Zoom Ratio: 4.00x 5.00x
Aperture Range: f/2.6 (W) to f/5.8 (T) f/2.5 (wide) / f/6.3 (tele) - ???
Integrated ND Filter: No No
Normal Focus Range: 40 cm to Infinity
15.7 in to Infinity 		80 cm to Infinity
31.5 in to Infinity
Macro Focus Range: 10 - 50 cm
3.9 - 19.7 in 		5 cm to Infinity
2.0 in to Infinity
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes Yes
Digital Zoom Values: Up to approx. 6.3X Up to 5x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detection; 9 point AF, Spot AF, Auto Tracking AF Contrast Detection: Multi AF, Centre AF, Face Detection AF, Object Tracking AF, Smart Face Recognition AF
Auto Focus Assist Light? No Yes
Manual Focus: Yes No
Viewfinder
Viewfinder: LCD LCD
Viewfinder Type:    
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent):    
Viewfinder Magnification (nominal/claimed):    
Display
Eye-level Viewfinder: No 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: 10.0x  
Top Deck Display:
Exposure
Maximum ISO (native):    
Minimum ISO (native):    
ISO Settings: Auto (64 - 800), Digital SR (64 - 6400), 64, 100, 200, 400, 800, 1600, 3200*, 6400*; *5MP Auto, 80, 100, 200, 400, 800, 1600, 3200
Auto ISO Mode: Yes No
White Balance Settings: Auto, Daylight, Shade, Tungsten, Fluorescent, Manual Auto, Daylight, Cloudy, Fluorescent_H, Fluorescent_L, Tungsten, Custom
Shutter Speed Range: 1/1000 - 4 sec 1/2000 - 8 sec
Bulb Mode: No No
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: TTL Multi-segment, Center-weighted, Spot Multi, Spot, Center Weighted, Face Detection AE
Program Auto Exposure: Yes Yes
Aperture Priority: No No
Shutter Priority: No No
Full Manual Exposure: No No
Creative Exposure Modes: Auto Picture (Standard, Landscape, Portrait, Night Scene Portrait, Night Scene, Sport, Flower, Candlelight), Night Scene, Night Scene Portrait, Half-Length Portrait (3M), Landscape, Flower, Portrait, Surf & Snow, Sport, Kids, Pet, Food, Fireworks, Frame Composite, Party, Natural Skin Tone... Picture-in-Picture, Live Panorama Smart Auto : Portrait, Night Portrait, Backlight Portrait, Night, Backlight, Landscape, White, NaturalGreen, BlueSky, Sunset, Macro, Macro Text, Macro Color, Tripod, Action, Fireworks Scene : Funny Face, Intelligent Portrait, Magic Frame, Beauty-Shot, Night, Landscape, Text, Sunset, Dawn, Backlight, Beach&Snow
Self Timer: 2 or 10 seconds 2, 10, Double seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Flash Off, Flash On, Auto + Redeye, On + Redeye, Soft Auto, Auto & Red-eye reduction, Fill-in flash, Slow sync, Flash Off, Red-eye fix
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: : Approx 15’ (wide, auto ISO), 6.9’ (tele, auto ISO) Wide : 0.3m - 4.2m Tele : 0.5m - 1.6m (ISO AUTO)
Max Flash Sync:    
Flash Exposure Compensation:    
External Flash Connection: n/a n/a
Built-In Wireless Flash Control:    
Image Storage
Usable Memory Types: SD / SDHC microSD / microSDHC
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: No No
Uncompressed Format:    
Movie File Format: AVI (Motion JPEG) AVI (Motion JPEG) with monaural sound
Included Memory: 33.6 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: No No
DPOF Compliant: Yes No
Remote Control:
Remote Control Type:    
Connections (extended): DC-Input  
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):    
Cycle time for RAW shooting in single shot mode (seconds per frame):    
Buffer size for RAW shooting in single shot mode (frames):    
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):    
Camera penalizes early shutter press?
JPEG shooting speed in burst mode (fps, max resolution): 0.9  
Buffer size for JPEG shooting in burst mode (frames, max resolution): 3  
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):    
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus):    
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused):    
Shutter Lag (notes):    
Startup Time:    
Play -> Record Time:    
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 200 shots  
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI88 Proprietary
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI88 Lithium-ion rechargeable 1 x Proprietary Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included:
Internal Charging Supported:
Software
Included Software: Software CD-ROM S-SW87  
OS Compatibility: Windows 2000/XP/Vista; MacOS-X 10.1.2-10.5  
Miscellaneous
Notes & Features: PENTAX Shake Reduction (SR) technology features Pixel Track SR, Digital SR, and Movie SR to stabilize images and video. Smile Capture automatically captures pictures when your subject smiles, and Blink Detection alerts you if your subject's eyes are closed during the exposure. Available in Mint, Pearl and Black. 720p Video, Live Panorama, Smart Auto 2.0, Magic Frame, Picture-in-Picture, Funny Face. Available in a range of vibrant and trendy colors.