• 1/2.3 inch 28.1mm2
  • 12.1 megapixels
  • 28.00mm - 140.00mm (35mm eq.)
  • 1/3.2 inch 15.5mm2
  • 8.0 megapixels
  • 30.00mm (35mm eq.)
  • Detailed specifications
  • Pentax Optio W90
  • Samsung Galaxy S II
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax W80
W80 vs W90
 
Successor:    
General
Model Number: W90 Galaxy S II
Alternate Model Number(s):    
Camera Format: Compact Other
Currently Manufactured: No No
Retail Price: $329.95 $499.99
Street Price:   $199.99
Date Available: 2010-04-30 2011-09-01
Tripod Mount: Yes No
Weight: 5.7 oz (161 g)
includes batteries
4.7 oz (132 g)
includes batteries
Size: 4.2 x 2.3 x 1.0 in.
(107 x 59 x 25 mm)
2.8 x 5.1 x 0.4 in.
(70 x 130 x 10 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CMOS
Sensor Manufacturer:    
Effective Megapixels: 12.1 8.0
Sensor Format: 1/2.3 inch 1/3.2 inch
Sensor size: 28.0735mm2 (6.17mm x 4.55mm) 15.5268mm2 (4.54mm x 3.42mm)
Approximate Pixel Pitch: 1.54 microns 1.39 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),
4000 x 2256 (9.0 MP, Other),
3072 x 2304 (7.1 MP, 4:3),
3072 x 1728 (5.3 MP, 16:9),
2592 x 1944 (5.0 MP, 4:3),
2592 x 1464 (3.8 MP, Other),
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)
3264 x 2448 (8.0 MP, 4:3),
3264 x 1968 (6.4 MP, Other),
2048 x 1536 (3.1 MP, 4:3),
2048 x 1232 (2.5 MP, Other),
800 x 480 (0.4 MP, Other),
640 x 480 (0.3 MP, 4:3)
Image File Format: JPEG (Exif 2.2) JPEG
Continuous-mode frames/second: 1.0 n/a
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (30/​15)
640x480 (30/​15)
320x240 (30/​15)
1920x1080 (30)
1280x720 (30)
720x480 (30)
640x480 (30)
320x240 (30)
176x144 (30)
Movie File Format: AVI (Motion JPEG) MPEG4, H.264, H.263
Composite Video Out: Yes
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: n/a
HD Video Out: Yes
HD Video Connection:
Lens & Optics
Lens Mount: n/a n/a
Lens: Pentax zoom lens, 11 elements in 9 groups, 5 aspherical elements Fixed focal length and aperture
Focal Length (35mm equivalent): 28 - 140mm 30mm
Focal Length (actual): 5 - 25mm 4mm
Zoom Ratio: 5.00x 1.00x
Aperture Range: f/3.5 (wide) / f/5.5 (tele) - ??? f/2.65 (fixed)
Integrated ND Filter: No No
Normal Focus Range: 50 cm to Infinity
19.7 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: Yes Yes
Digital Zoom Values: Up to 6.25x; Intelligent Zoom up to 31.3x at VGA 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: Auto, Macro, Face Detection
Auto Focus Assist Light? Yes 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 4.5
Rear Display Resolution: 230,000 dots 1,152,000 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 (80-1600), Digital SR (80-6400), Manual (80, 100, 200, 400, 800, 1600, 3200, 6400), ISO 3200-6400 5MP or 3.8MP Auto (40-800?), 100, 200, 400, 800
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Tungsten, Fluorescent , Manual Auto, Daylight, Cloudy, Incandescent, Fluorescent
Shutter Speed Range: 1/1500 - 4 sec 1/16000 - 1/15 sec
Bulb Mode: No No
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 2.0EV in 1.0EV steps
Metering Modes: Multi-segment, Center-weighted, Spot Matrix, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: No No
Shutter Priority: No No
Full Manual Exposure: No No
Creative Exposure Modes: Night Scene, Underwater, Landscape, Flower, Portrait, Digital Microscope (2.1M), Digital Wide (5M), Surf & Snow, Digital SR (ISO 3200-6400 5M or 3.8M), Kids, Pet, Sport, Fireworks, Candlelight, Night Scene Portrait, Text, Food, Digital Panorama (2M per frame), Frame Composite (3M or 2.1M), Report Smile shot, Beauty, Panorama, Action shot, Cartoon; Scene mode: Portrait, Landscape, Night, Sports, Party/Indoor, Beach/Snow, Sunset, Dawan, Fall colour, Firework, Text, Candlelight, Backlight
Self Timer: 2 or 10 seconds 2, 5, 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 LED; On, Off, Auto
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: 13 ft (wide, auto ISO), 8.2 ft (tele, auto ISO) None provided
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
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: No No
Uncompressed Format:    
Movie File Format: AVI (Motion JPEG) MPEG4, H.264, H.263
Included Memory: 26.7 MB  
Included Memory Type: Internal  
Connectivity
Built-In Wi-Fi: No Yes
NFC: No
Bluetooth: No Yes
Built-In GPS: No No
Microphone Jack: No No
Headphone Jack: No Yes
External Connections: USB 2.0 High Speed USB 2.0 High Speed,Bluetooth,WiFi
PictBridge Compliant: No No
DPOF Compliant: Yes No
Remote Control: Yes
Remote Control Type: Optional IR  
Connections (extended): HDMI Out (type D) MicroUSB, 3.5mm Ear Jack
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 1.85  
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): 1.0  
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): 0.26 seconds  
Shutter lag (full AF, tele): 0.27 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): 0.004 seconds  
Shutter Lag (notes):    
Startup Time: 2.1 seconds  
Play -> Record Time:    
Flash cycle time, full power: 5.8 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 205 shots  
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI88 Proprietary
Usable Battery Types: Lithium-ion rechargeable 1800mAh Lithium-ion Rechargeable
Batteries Included: 1 x Proprietary D-LI88 Lithium-ion rechargeable Proprietary 1800mAh 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 S-SW102 (CD ROM)  
OS Compatibility: Windows XP/Vista/7, Mac OS X 10.3.9+  
Miscellaneous
Notes & Features: Waterproof to 20 feet, Shockproof to 4 feet, Coldproof to sub-freezing temperatures, Dustproof. 720p HD Movies, HDMI Output, Advanced Pixel-Track Shake Reduction, Optional Infrared Remote. Available in Black and Pistachio Green. 3G/4G, Android 2.3, 1.2 GHz Dual core Exynos processor, 4.52" Super AMOLED Touchscreen, 8-megapixel main camera with LED flash, tap to focus, face detection, Geo-tagging, up to 1080p movies, 2-megapixel front-facing camera, 16GB. Available in black. Other variants are available in black or white with 4.3" screen.