Sony Cyber-shot DSC-W55 vs Sony Cyber-shot DSC-W70

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Cyber-shot DSC-W55 compared with Cyber-shot DSC-W70

	SonyCyber-shot DSC-W55	SonyCyber-shot DSC-W70
Overview
Released
Released	February 2007	April 2006
Image and sensor
Camera type
Camera type	Compact	Compact
Sensor type
Sensor type	Super HAD CCD	Super HAD CCD
Effective resolution
Effective resolution	7.2 MP	7.2 MP
Largest image
Largest image	3072 × 2304	3072 × 2304
RAW recording
RAW recording	No	No
Standard ISO range
Standard ISO range	100–1000	100–1000
Sensor detail
Sensor detail	1/2.5-type primary-colour CCD, approximately 7.201 million effective and 7.41 million total photosites; optical format is not physical sensor dimensions	1/2.5-type primary-colour CCD; manual specifies approximately 7,201,000 effective and 7,410,000 total pixels
Image formats
Image formats	JPEG Fine/Standard, 3072 × 2304 maximum; 3072 × 2048 in 3:2 or 1920 × 1080 in 16:9	Fine or Standard JPEG; native 3072 × 2304, 3072 × 2048 in 3:2 or 1920 × 1080 in 16:9
Image processor
Image processor	Real Imaging Processor with Clear RAW NR; this processes JPEG photographs and does not provide RAW recording	Real Imaging Processor with Clear RAW NR processing; JPEG recording rather than RAW files
Lens and shooting
Built-in lens
Built-in lens	38–114 mm equivalent	38–114 mm equivalent
Maximum aperture
Maximum aperture	f/2.8–5.2	f/2.8–5.2
Optical zoom
Optical zoom	3×	3×
Stabilisation
Stabilisation	None	–
Lens detail
Lens detail	Carl Zeiss Vario-Tessar, actual 6.3–18.9 mm; manual specifies 38–114 mm equivalent, whereas Hong Kong launch table misprints the wide end as 35 mm	Carl Zeiss Vario-Tessar, actual 6.3–18.9 mm; optional VAD-WB adaptor for conversion lenses or 30 mm filters
Autofocus
Autofocus	Five-area Multipoint or centre AF, Single or Monitoring operation and AF illuminator; focus presets. Normal focus from approximately 50 cm, macro 2 cm wide or 30 cm telephoto	Multi-point or centre AF with illuminator and focus presets; UK support gives macro from 0.02 m wide or 0.5 m telephoto, while original manual gives 0.3 m telephoto
Shutter
Shutter	–	UK support lists Auto 1–1/2000 second
Burst detail
Burst detail	Photo Review measured approximately 0.9-second intervals in a short full-resolution burst; its specification table lists four frames. Reduced Multi Burst records sixteen frames combined into one 1M photograph with selectable 1/30, 1/15 or 1/7.5-second intervals	Four native 7 MP Fine frames with approximately 0.9-second intervals; 100 VGA Standard frames with approximately 0.8-second intervals are a separate reduced-resolution sequence; no headline fps inferred
Flash
Flash	Built-in flash, Auto/forced/off/slow-sync and red-eye reduction; manual recommends ISO Auto range approximately 0.2–3.9 m wide or 0.3–2.0 m telephoto	Auto, forced, off or slow sync; current UK support and original manual ISO Auto range 0.2–3.7 m wide or 0.3–2.1 m telephoto; UK ISO 1000 reach 6.5 m wide or 3.7 m telephoto
Exposure controls
Exposure controls	Auto, Program and seven scene modes: High Sensitivity, Twilight, Twilight Portrait, Landscape, Soft Snap, Snow and Beach; multi-pattern, centre-weighted or spot metering	Auto, Program or seven scenes; ±2 EV in 1/3 EV steps; UK support ISO 100–1000, while original Hong Kong launch table also lists ISO 80; no manual aperture or shutter selection
Video
Highest video resolution
Highest video resolution	640 × 480 at 30 fps	640 × 480 at 30 fps
Video detail
Video detail	MPEG Movie VX Fine, 640 × 480 at approximately 30 fps, requires Memory Stick PRO Duo; Standard approximately 17 fps, a smaller video-mail mode. Maximum movie file approximately 2 GB	MPEG-1 with mono sound; VGA Fine approximately 30 fps requires Memory Stick PRO Duo; Standard VGA approximately 17 fps or video-mail 160 × 112 approximately 8 fps
Audio
Audio	MPEG1 mono movie sound; built-in mono microphone and speaker	–
Screen and viewfinder
Viewfinder
Viewfinder	Optical	Optical
Screen size
Screen size	2.5″	2.5″
Screen dots
Screen dots	115,200	115,000
Touchscreen
Touchscreen	No	–
Tilting screen
Tilting screen	No	–
Display detail
Display detail	Fixed 2.5-type TFT LCD; manual specifies 115200 dots, launch sheet rounds to 115K. Histogram, adjustable backlight and optical real-image viewfinder	TFT LCD with optical real-image finder; original manual gives 115,200 dots, rounded to 115,000 in maker support; histogram and adjustable brightness
Connections and design
Bluetooth
Bluetooth	–	No
Battery life (maker's claim)
Battery life (maker's claim)	380 photographs	360 photographs
Body weight
Body weight	116 g (better)	127 g
Release detail
Release detail	Sony US 17 January 2007 announcement reproduced by DPReview specifies February store availability; Hong Kong maker announcement specifies beginning of March. February month precision retained, exact international first-sale day unconfirmed	Original US maker release dated 25 February 2006 states April availability; Hong Kong maker launch states early May 2006
Recording media
Recording media	Approximately 56 MB internal memory; Memory Stick Duo or Memory Stick PRO Duo, not an SD card slot	58 MB internal memory; Memory Stick Duo or Memory Stick PRO Duo
Ports
Ports	Multi-use connector for USB 2.0 Hi-Speed and mono AV output; PictBridge direct printing. W55 uses the multi-connector cable, rather than the separate USB/AV sockets of W35	Multi-use connector for USB 2.0 Hi-Speed and mono AV output; PictBridge printing
Battery life detail
Battery life detail	NP-BG1, 3.4 Wh/960 mAh; manual CIPA claim approximately 380 photographs/190 minutes with LCD on or 490/245 minutes off at 25°C, Fine JPEG, Single AF, alternating zoom ends, one shot every 30 seconds, flash every second shot and power cycle every ten	NP-BG1 lithium-ion battery; original manual CIPA claim approximately 360 shots with LCD on or 470 off
Charging
Charging	External BC-CSG/BC-CSGB/BC-CSGC battery charger; practical charge approximately 270 minutes or full charge 330 minutes at 25°C. Optional AC adapter does not charge the battery inside camera	BC-CSG external battery charger
Dimensions
Dimensions	88.9 × 57.1 × 22.9 mm (width × height × depth), excluding protrusions	Current UK support gives 88.9 × 57.1 × 22.9 mm (width × height × depth); original Hong Kong launch gives 89.8 × 58.9 × 22.9 mm
Weight detail
Weight detail	116 g excluding battery and media in Sony Hong Kong specification table; manual loaded weight approximately 147 g including NP-BG1, wrist strap and other accessories	Current UK support approximately 127 g body or 157 g with accessories; original Hong Kong launch table lists 120 g net weight
Materials
Materials	Sony Hong Kong describes full-metal aluminium construction; Photo Review describes aluminium cladding over a plastic body	–
Colours
Colours	Black, silver, blue or pink; colour finishes share this entry	Silver or black; colour editions share this entry
In the box
In the box	NP-BG1, external battery charger, power cord where applicable, multi-use USB/AV cable, wrist strap, software CD-ROM and instructions; memory card not supplied	NP-BG1 battery, BC-CSG charger, power cord, multi-connecting cable, wrist strap and Cyber-shot Viewer software