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Canon PowerShot A550 specifications

Sensor • 1/2.5" Type CCD• 7.1 million effective pixels
 
Image sizes • 3072x2304• 3072x1728 • 2592x1944 • 2048x1536 • 1600x1200 • 640x480 
Movie clips • 640x480, 30/15 fps (L) • 320x240 ,60/30/15 fps (M)• 160x120, 15 fps (S) 
File formats • Still: JPEG compression (Exif 2.2 [Exif Print] compliant) / Design rule for Camera File system• Movie: AVI [Motion JPEG compression]• Sound: WAVE (monaural)
 
Lens • 5.8-23.2mm (35-140 35 mm equiv) 4.0x optical zoom• F2.6-5.5
Image stabilization No
Conversion lenses No
Digital zoom  Up to 4x (1.5/1.9x with digital Tele-Converter)
Focus • TTL• AF lock 
AF area modes  • 9-point AiAF• 1-point AF (fixed centre)
AF assist lamp  Yes

Focus distance • 5cm-∞
Metering • Evaluative• Centre-weighted average• Spot (centre)
ISO sensitivity • ISO 80 • ISO 100• ISO 200• ISO 400• ISO 800• Auto• High-ISO auto 
Exposure compensation • +/- 2EV • 1/3EV increments
Exposure bracketing  No
Shutter speed 15-1/2000 sec 
Modes • Auto• Manual

Scene modes  • Portrait • Landscape• Night snapshot • Indoor• Kids & Pets • Movie• Foliage• Snow• Beach• Fireworks• Night scene 
White balance • Auto• Daylight• Cloudy• Tungsten• Fluorescent• Fluorescent H• Custom 
White balance fine tune  No
Self timer 2 or 10 sec, custom 
Continuous shooting Approx. 1.4fps until memory card is full
Image parameters • Vivid• Neutral• Sepia• Black & White• Custom Colour 
Flash • Auto• Forced on/off• Slow sync • Red-eye reduction• Flash exposure lock • 45cm-3.5m (wide) / 45cm-2.2m (tele) (auto ISO) 

Viewfinder Real-image zoom optical viewfinder
LCD monitor • 2.0" P-Si TFT LCD • 86,000 pixels• 100% coverage 
Connectivity • USB 2.0 Hi-Speed• A/V output (PAL/NTSC switchable)
Print compliance  • Exif print • DCRF• DPOF 1.1• Pictbridge 
Storage • SD/SDHC/MMC card• 16 MB card supplied
Power • 2 x AA batteries (Alkaline or NiMH compatible, Alkalines supplied • NiMH charger optional
Weight (no batt)  160g (5.6 oz) 
Dimensions 91.2 x 64.0 x 43.1mm (3.6 x 2.5 x 1.7 in)