• 1/2.3 inch 28.1mm2
  • 10.0 megapixels
  • 35.00mm - 175.00mm (35mm eq.)
  • 1/2.33 inch 28.2mm2
  • 12.0 megapixels
  • 28.00mm - 140.00mm (35mm eq.)
  • Detailed specifications
  • Pentax Optio WS80
  • Nikon Coolpix S640
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: WS80 S640
Alternate Model Number(s):    
Camera Format: Ultra Compact Ultra Compact
Currently Manufactured: No No
Retail Price: $249.95 $249.95
Street Price: $249.00  
Date Available: 2009-09-15 2009-09-15
Tripod Mount: Yes Yes
Weight: 4.4 oz (125 g)
includes batteries 		3.9 oz (110 g)
Size: 3.6 x 2.3 x 0.9 in.
(92 x 59 x 23 mm) 		3.6 x 2.2 x 0.8 in.
(91 x 55 x 21 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CCD
Sensor Manufacturer:    
Effective Megapixels: 10.0 12.0
Sensor Format: 1/2.3 inch 1/2.33 inch
Sensor size: 28.0735mm2 (6.17mm x 4.55mm) 28.198mm2 (6.13mm x 4.6mm)
Approximate Pixel Pitch: 1.69 microns 1.53 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: 3648 x 2736 (10.0 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) 		4000 x 3000 (12.0 MP, 4:3),
3968 x 2232 (8.9 MP, 16:9),
3264 x 2448 (8.0 MP, 4:3),
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 2.2) JPEG
Continuous-mode frames/second: 1.1 n/a
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (30/​15)
640x480 (30/​15)
320x240 (30/​15) 		640x480 (30)
Movie File Format: AVI (Motion JPEG)  
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; 10 elements in 8 groups, 4 aspherical elements Nikkor lens
Focal Length (35mm equivalent): 35 - 175mm 28 - 140mm
Focal Length (actual): 6.2 - 31mm 5 - 25mm
Zoom Ratio: 5.00x 5.00x
Aperture Range: f/3.8 (wide) / f/4.7 (tele) - ??? f/2.7 (wide) / f/6.6 (tele) - ???
Integrated ND Filter: No No
Normal Focus Range: 40 cm to Infinity
15.7 in to Infinity 		45 cm to Infinity
17.7 in to Infinity
Macro Focus Range: 10 - 50 cm
3.9 - 19.7 in 		2 cm to Infinity
0.8 in to Infinity
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: Yes Yes
Digital Zoom Values: Up to 5.7x Up to 4x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 9-point Contrast Detection with face recognition, spot, pan, and auto tracking modes Contrast Detection with Face-Priority AF
Auto Focus Assist Light? No No
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), Manual (64-6400), ISO 3200/6400 limited to 5mpix Auto (100 - 1600) 100, 200, 400, 800, 1600, 3200, 6400
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Tungsten, Fluorescent , Manual  
Shutter Speed Range: 1/1500 - 4 sec  
Bulb Mode: No No
Exposure Compensation: +/- 2.0EV in 0.3EV steps  
Metering Modes: Multi-segment, Center-weighted, Spot  
Program Auto Exposure: Yes No
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, Movie, Underwater, Landscape, Flower, Portrait, Digital Wide (5M), Surf&Snow, Kids, Pet, Half-length Portrait (3M), Sport, Fireworks, Candlelight... 16 Scene Modes
Self Timer: 2 or 10 seconds  
Time Lapse (intervalometer): Yes  
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Flash Off, Flash On, Auto + Redeye, On + Redeye, Soft n/a
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: 11’ (wide, auto ISO), 9.2’ (tele, auto ISO) n/a
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 SD / SDHC
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: No No
Uncompressed Format:    
Movie File Format: AVI (Motion JPEG)  
Included Memory: 33.6 MB 45.0 MB
Included Memory Type: Internal built-in memory
Connectivity
Built-In Wi-Fi: No No
NFC: 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: No
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): 1.1  
Buffer size for JPEG shooting in burst mode (frames, max resolution):    
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 270 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI88 Proprietary EN-EL12
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI88 Lithium-ion rechargeable 1 x Proprietary EN-EL12 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 Nikon Software Suite CD-ROM
OS Compatibility: Windows 2000/XP/Vista; MacOS-X 10.1.2-10.5  
Miscellaneous
Notes & Features: Waterproof and dustproof design allows underwater photography up to five feet for up two hours (JIS Class 8 standard). Smile Capture automatically releases the shutter when a subject smiles and Blink Detection alerts the photographer if the subject's eyes are closed during the exposure. Available in two bold, his-and-her's designs: black with orange, and white with purple. Optical VR Image Stabilization, Motion Detection, Best Shot Selector (BSS), Smart Portrait System. Available in Calm Black, Velour Red, Precious Pink, and Pearl White.