• 1/2.3 inch 28.1mm2
  • 10.0 megapixels
  • 36.00mm - 180.00mm (35mm eq.)
  • 1/2.3 inch 28.1mm2
  • 12.1 megapixels
  • 28.00mm - 140.00mm (35mm eq.)
  • Detailed specifications
  • Nikon Coolpix S550
  • Pentax Optio W90
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Pentax W80
W80 vs W90
Successor:    
General
Model Number: S550 W90
Alternate Model Number(s):    
Camera Format: Ultra Compact Compact
Currently Manufactured: No No
Retail Price: $229.95 $329.95
Street Price: $194.99  
Date Available: 2008-03-15 2010-04-30
Tripod Mount: Yes Yes
Weight: 4.2 oz (120 g) 5.7 oz (161 g)
includes batteries
Size: 3.5 x 2.1 x 0.9 in.
(90 x 54 x 22 mm)
4.2 x 2.3 x 1.0 in.
(107 x 59 x 25 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
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),
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 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)
Image File Format: JPEG (Exif 2.2)
Continuous-mode frames/second: n/a 1.0
Video Capture
Can take movies: Yes 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:
HD Video Out: Yes
HD Video Connection:
Lens & Optics
Lens Mount: n/a n/a
Lens: Nikkor lens, 8 elements in 6 groups Pentax zoom lens, 11 elements in 9 groups, 5 aspherical elements
Focal Length (35mm equivalent): 36 - 180mm 28 - 140mm
Focal Length (actual): 6.3 - 31.5mm 5 - 25mm
Zoom Ratio: 5.00x 5.00x
Aperture Range: f/3.5 (wide) / f/5.6 (tele) - ??? f/3.5 (wide) / f/5.5 (tele) - ???
Integrated ND Filter: No No
Normal Focus Range: 35 cm to Infinity
13.8 in to Infinity
50 cm to Infinity
19.7 in to Infinity
Macro Focus Range: 10 cm to Infinity
3.9 in to Infinity
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 4x Up to 6.25x; Intelligent Zoom up to 31.3x at VGA
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detect: Auto (9-area automatic selection), Manual (99-area manual selection) 9-point Contrast Detection with face recognition, spot, pan, and auto tracking modes
Auto Focus Assist Light? Yes Yes
Manual Focus: No Yes
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): 2.5 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), 100, 200, 400, 800, 1600, 2000; (high sensitivity mode: 64-1600) Auto (80-1600), Digital SR (80-6400), Manual (80, 100, 200, 400, 800, 1600, 3200, 6400), ISO 3200-6400 5MP or 3.8MP
Auto ISO Mode: Yes Yes
White Balance Settings: Daylight, Cloudy, Fluorescent, Incandescent, Flash, White Balance Preset 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 +/- 2.0EV in 0.3EV steps
Metering Modes:   Multi-segment, Center-weighted, Spot
Program Auto Exposure: No Yes
Aperture Priority: No No
Shutter Priority: No No
Full Manual Exposure: No No
Creative Exposure Modes: Face-Priority AF, Portrait, Landscape, Sports, Night Portrait, Party/Indoor, Beach/Snow, Sunset, Dusk/Dawn, Night Landscape, Close Up, Museum, Fireworks Show, Copy, Back Light, Panorama Assist, Smile 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
Self Timer: 10 or 2 seconds 2 or 10 seconds
Time Lapse (intervalometer):   Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Auto with red-eye reduction, Anytime flash, Flash cancel, Slow sync. Auto, Flash Off, Flash On, Auto + Redeye, On + Redeye, Soft
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: n/a 13 ft (wide, auto ISO), 8.2 ft (tele, auto ISO)
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: 52.0 MB 26.7 MB
Included Memory Type: Internal 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 Full (LOW) Speed USB 2.0 High Speed
PictBridge Compliant: Yes No
DPOF Compliant: Yes Yes
Remote Control: No Yes
Remote Control Type:   Optional IR
Connections (extended):   HDMI Out (type D)
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): 200 shots 205 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary EN-EL11 Proprietary D-LI88
Usable Battery Types: Lithium Ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary EN-EL11 Lithium Ion rechargeable 1 x Proprietary D-LI88 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 Suite CD-ROM 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.