• 1/2.5 inch 24.7mm2
  • 7.1 megapixels
  •  
  • 1/2.3 inch 28.1mm2
  • 14.1 megapixels
  • 25.00mm - 250.00mm (35mm eq.)
  • Detailed specifications
  • Pentax Optio W30
  • Sony Cyber-shot DSC-H55
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor: Pentax W60
W30 vs W60
 
General
Model Number: W30 DSC-H55
Alternate Model Number(s):    
Camera Format:   Compact
Currently Manufactured: No No
Retail Price: $299.95 $249.00
Street Price: $234.64 $204.00
Date Available: 2007-03-31 2010-04-01
Tripod Mount: Yes Yes
Weight: 5.6 oz (160 g)
includes batteries
7.0 oz (198 g)
includes batteries
Size: 4.2 x 2.1 x 0.9 in.
(107 x 53 x 24 mm)
4.1 x 2.3 x 1.1 in.
(103 x 58 x 29 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CCD
Sensor Manufacturer:   Sony
Effective Megapixels: 7.1 14.1
Sensor Format: 1/2.5 inch 1/2.3 inch
Sensor size: 24.7104mm2 (5.76mm x 4.29mm) 28.0735mm2 (6.17mm x 4.55mm)
Approximate Pixel Pitch: 1.88 microns 1.43 microns
Focal Length Multiplier: n/a n/a
Aspect Ratio: 4:3 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: 3072 x 2304 (7.1 MP, 4:3),
2592 x 1944 (5.0 MP, 4:3),
2304 x 1728 (4.0 MP, 4:3),
2048 x 1536 (3.1 MP, 4:3),
1600 x 1200 (1.9 MP, 4:3),
1024 x 768 (0.8 MP, 4:3),
640 x 480 (0.3 MP, 4:3)
4320 x 3240 (14.0 MP, 4:3),
3648 x 2736 (10.0 MP, 4:3),
2592 x 1944 (5.0 MP, 4:3),
1920 x 1080 (2.1 MP, 16:9),
640 x 480 (0.3 MP, 4:3),
7152 x 1080 (7.7 MP, Other),
4912 x 1920 (9.4 MP, Other),
4912 x 1080 (5.3 MP, Other),
4320 x 2432 (10.5 MP, 16:9)
Image File Format: JPEG (Exif 2.2) JPEG (Exif v2.21)
Continuous-mode frames/second: n/a n/a
Video Capture
Can take movies: Yes Yes
Movie Resolution: 640x480 (30/​15)
320x240 (30/​15)
1280x720 (30)
640x480 (30)
Movie File Format: MOV (QuickTime Motion JPEG) MPEG-4
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder:
HD Video Out: Yes
HD Video Connection: Component
Lens & Optics
Lens Mount: n/a n/a
Lens: Pentax power zoom (11 elements, 9 groups, 3 asperical) Sony Lens G; 10 elements in 7 groups, including 4 aspheric
Focal Length (35mm equivalent): 38 - 114mm 25 - 250mm
Focal Length (actual): 6.3 - 18.9mm 4.3 - 42.5mm
Zoom Ratio: 3.00x 10.00x
Aperture Range: f/3.3 (wide) / f/4.0 (tele) - ??? f/3.5 or f/8.0 (wide) / f/5.5 or ?? (tele); 2 steps with ND filter
Integrated ND Filter: No No
Normal Focus Range: 40 cm to Infinity
15.7 in to Infinity
5 cm to Infinity
2.0 in to Infinity
Macro Focus Range: 1 - 60 cm
0.4 - 23.6 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 Yes
Digital Zoom: Yes Yes
Digital Zoom Values: Up to 4x 2x Precision, Up to 67x Smart Zoom
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 9-point Contrast Detection with face recognition, spot, pan, and auto tracking modes Contrast Detect: 9-point / center / spot
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): 2.5 3.0
Rear Display Resolution: 115,000 dots 230,400 dots
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 8.0x  
Top Deck Display:
Exposure
Maximum ISO (native):    
Minimum ISO (native):    
ISO Settings: Auto, 64, 100, 200, 400, 800, 1600* (Blur Reduction / Report modes only) Auto, 80, 100, 200, 400, 800, 1600, 3200
Auto ISO Mode: No Yes
White Balance Settings: Auto, Daylight, Shade, Tungsten, Fluorescent , Manual Auto, Daylight, Cloudy, Fluorescent 1/2/3, Incandescent, Flash, Custom
Shutter Speed Range: 1/2000 - 4 sec 1/1600 - 30 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 Multi-pattern, center-weighted, spot
Program Auto Exposure: Yes Yes
Aperture Priority: No No
Shutter Priority: No No
Full Manual Exposure: No Yes
Creative Exposure Modes: Auto Picture, Program, Night Scene, Landscape, Flower, Portrait, Underwater, Underwater Movie, Digital SR, Surf & Snow, Sport, Pet, Frame Composite (3MP), Synchronous Sound Record, Kids, Soft, Self-portrait, Fireworks, Food, Text, Museum, Neutral Skin Tone, Report High Sensitivity, Twilight, Twilight Portrait, Soft Snap, Landscape, Beach, Snow, Fireworks, Advanced Sports, Gourmet, Pet, Sweep Panorama, Smile Shutter
Self Timer: 2 or 10 seconds 2, 10, Portrait1/2 seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, On, Off, Red-eye reduction, Soft flash Auto, Flash On, Slow Syncro, Flash Off
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: ISO Auto: Wide:11.8 ft (3.6m); Tele: 9.8 ft (3.0m) ISO Auto: 0.25 - 4.1m / 0.82 - 13.5 ft (W), 1.0 - 2.6m / 3.28 - 8.53 ft (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 MS Duo / MS PRO Duo / SD / SDHC
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: No No
Uncompressed Format:    
Movie File Format: MOV (QuickTime Motion JPEG) MPEG-4
Included Memory: 21.9 MB 45.0 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 1.1 USB 2.0 High Speed
PictBridge Compliant: Yes Yes
DPOF Compliant: Yes Yes
Remote Control: No
Remote Control Type:    
Connections (extended): DC In Multi-terminal (AV(SD/HD Component)/USB/DCIN)
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):   3.08
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):    
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):   0.36 seconds
Shutter lag (full AF, tele):   0.36 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):   0.016 seconds
Shutter Lag (notes):    
Startup Time:   2.2 seconds
Play -> Record Time:    
Flash cycle time, full power:   7.0 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 210 shots 310 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI63 Proprietary NP-BG1
Usable Battery Types: Lithium Ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI63 Lithium Ion rechargeable 1 x Proprietary NP-BG1 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-SW63 (CD ROM) Sony CDROM (Picture Motion Browser (PC), Picture Motion Browser Portable (PC/MAC)
OS Compatibility: Windows, Mac OS Windows XP/Vista/7, Mac OSX v 10.4+
Miscellaneous
Notes & Features: Enhanced waterproof construction allows it to be submerged down to ten feet for up to two hours. Optical Image Stabilization, 720p HD Movies, Sweep Panorama, HDR, HD Component Video Output. Available in black and silver.