• 1/2.3 inch 28.1mm2
  • 10.0 megapixels
  • 35.00mm - 175.00mm (35mm eq.)
  • 1/2.3 inch 28.1mm2
  • 12.1 megapixels
  • 35.00mm - 140.00mm (35mm eq.)
  • Detailed specifications
  • Pentax Optio WS80
  • Canon PowerShot A3100 IS
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: WS80 A3100 IS
Alternate Model Number(s):    
Camera Format: Ultra Compact Compact
Currently Manufactured: No No
Retail Price: $249.95 $179.99
Street Price: $249.00 $84.95
Date Available: 2009-09-15 2010-02-28
Tripod Mount: Yes Yes
Weight: 4.4 oz (125 g)
includes batteries
5.4 oz (154 g)
includes batteries
Size: 3.6 x 2.3 x 0.9 in.
(92 x 59 x 23 mm)
3.8 x 2.3 x 1.1 in.
(97 x 58 x 28 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CCD
Sensor Manufacturer:    
Effective Megapixels: 10.0 12.1
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: 1.69 microns 1.54 microns
Focal Length Multiplier: n/a n/a
Aspect Ratio: 4:3, 16:9 4:3, 16:9
Color Filter Type: RGBG 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),
4000 x 2248 (9.0 MP, 16:9),
3264 x 2448 (8.0 MP, 4:3),
2592 x 1944 (5.0 MP, 4:3),
1600 x 1200 (1.9 MP, 4:3),
640 x 480 (0.3 MP, 4:3)
Image File Format: JPEG (Exif 2.2) JPEG (EXIF 2.2)
Continuous-mode frames/second: 1.1 0.8
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (30/​15)
640x480 (30/​15)
320x240 (30/​15)
640x480 (30/​30 LP)
320x240 (30)
Movie File Format: AVI (Motion JPEG) AVI (Motion JPEG)
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder:
HD Video Out: No No
HD Video Connection:
Lens & Optics
Lens Mount: n/a n/a
Lens: Pentax zoom; 10 elements in 8 groups, 4 aspherical elements Canon Zoom Lens
Focal Length (35mm equivalent): 35 - 175mm 35 - 140mm
Focal Length (actual): 6.2 - 31mm 6.2 - 24.8mm
Zoom Ratio: 5.00x 4.00x
Aperture Range: f/3.8 (wide) / f/4.7 (tele) - ??? f/2.7 (W) to f/5.6 (T)
Integrated ND Filter: No No
Normal Focus Range: 40 cm to Infinity
15.7 in to Infinity
3 cm to Infinity
1.2 in to Infinity
Macro Focus Range: 10 - 50 cm
3.9 - 19.7 in
3 - 60 cm
1.2 - 23.6 in
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 Detect AF with Face Detection
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 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, 80, 100, 200, 400, 800, 1600
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Tungsten, Fluorescent , Manual Auto, Daylight, Cloudy, Tungsten, Fluorescent, Fluorescent H, Custom
Shutter Speed Range: 1/1500 - 4 sec 1/1600 - 15 sec
Bulb Mode: No No
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: Multi-segment, Center-weighted, Spot Evaluative, Center-weighted average, Spot, Face Detect 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, Movie, Underwater, Landscape, Flower, Portrait, Digital Wide (5M), Surf&Snow, Kids, Pet, Half-length Portrait (3M), Sport, Fireworks, Candlelight... Auto*, Easy, Portrait, Landscape, Night Snapshot, Kids & Pets, Indoor, SCN**; *Automatically detects shooting scene; **Face Detection Self-Timer, Low Light, Super Vivid, Poster Effect, Beach, Foliage, Snow, Fireworks, Long Shutter
Self Timer: 2 or 10 seconds 2, 10, custom 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 Auto, Red-eye Reduction, Auto Red-eye Correction, Flash On, Flash Off; FE lock, Slow Synchro, Smart Flash
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: 11’ (wide, auto ISO), 9.2’ (tele, auto ISO) Auto ISO: 1-13 ft./30cm-4.0m (W), 1-6.6 ft./30cm-2.0m (T)
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 / SDXC
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)
Included Memory: 33.6 MB No memory included
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 Yes
DPOF Compliant: Yes Yes
Remote Control: No
Remote Control Type:    
Connections (extended):    
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):   2.32
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? No
JPEG shooting speed in burst mode (fps, max resolution): 1.1 0.8
Buffer size for JPEG shooting in burst mode (frames, max resolution):   Unlimited
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):   0.48 seconds
Shutter lag (full AF, tele):   0.52 seconds
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):   0.078 seconds
Shutter Lag (notes):    
Startup Time:   2.1 seconds
Play -> Record Time:    
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 200 shots 240 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI88 Proprietary NB-8L
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI88 Lithium-ion rechargeable 1 x Proprietary NB-8L 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 Canon Software Suite CD-ROM
OS Compatibility: Windows 2000/XP/Vista; MacOS-X 10.1.2-10.5 Windows, Mac OS
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 Image Stabilization, i-Contrast, Smart Auto, Face Detection self-timer. Available in Silver, Red and Blue.