Canon PowerShot A640

General

• Product Type Digital camera
• Width 4.3 in
• Depth 1.9 in
• Height 2.6 in
• Weight 8.6 oz

Main Features

• Resolution 10 megapixels
• Color Support Color
• Optical Sensor Type CCD
• Total Pixels 10,400,000 pixels
• Effective Sensor Resolution 10,000,000 pixels
• Light Sensitivity ISO 80 , ISO 100 , ISO 200 , ISO 400 , ISO 800 , ISO auto
• Digital Zoom 4 x
• Shooting Modes Frame movie mode
• Shooting Programs Snow , Beach , Indoor , Foliage , Fireworks , Landscape , Color swap , Underwater , Kids & pets , Night scene , Color accent , Portrait mode , Stitch assist , Night snapshot
• Special Effects Sepia , Vivid , Neutral , Positive , Black & White , Custom Effect , Darker Skin Tone , Lighter Skin Tone
• Max Shutter Speed 1/2500 sec
• Min Shutter Speed 15 sec
• Exposure Metering Spot , Evaluative , Center-weighted
• Exposure Modes Manual ,  Program ,  Automatic ,  Shutter-priority ,  Aperture-priority
• Exposure Compensation ±2 EV range, in 1/3 EV steps
• AE/AF Control FlexiZone
• White Balance Custom , Presets , Automatic
• White Balance Presets Cloudy , Daylight , Underwater , Fluorescent , Tungsten light
• Digital Video Format AVI
• Still Image Format JPEG
• TV Tuner None
• Video Capture AVI - 640 x 480 , AVI - 640 x 480 , AVI - 320 x 240 , AVI - 320 x 240 , AVI - 160 x 120

Memory / Storage

• Flash Memory 32 MB Flash - MultiMediaCard
• Supported Flash Memory MultiMediaCard ,  SD Memory Card
• Floppy Drive None
• Image Storage Super-fine JPEG 3648 x 2736 , Fine JPEG 3648 x 2736 , Normal JPEG 3648 x 2736 , Super-fine JPEG 2816 x 2112 , Fine JPEG 2816 x 2112 , Normal JPEG 2816 x 2112 , Super-fine JPEG 2272 x 1704 , Fine JPEG 2272 x 1704 , Normal JPEG 2272 x 1704 , Super-fine JPEG 1600 x 1200 , Fine JPEG 1600 x 1200 , Normal JPEG 1600 x 1200 , Super-fine JPEG 640 x 480 , Fine JPEG 640 x 480 , Normal JPEG 640 x 480 , Super-fine JPEG 3648 x 2048 , Fine JPEG 3648 x 2048 , Normal JPEG 3648 x 2048

Camera Flash

• Camera Flash Built-in flash
• Flash Modes Auto mode ,  Fill-in mode ,  Slow synchro ,  Flash OFF mode ,  Rear curtain sync ,  Red-eye reduction
• Red Eye Reduction Yes
• Effective Flash Range 1.5 ft - 14 ft
• Features AF illuminator , Flash +/- compensation

Lens System

• Type Zoom lens - 7.3 mm - 29.2 mm - F/2.8-4.1
• Focal Length 7.3 mm - 29.2 mm
• Focal Length Equivalent to 35mm Camera 35 - 140 mm
• Focus Adjustment Manual ,  Automatic
• Auto Focus TTL contrast detection
• Auto Focus Points (Zones) 9
• Min Focus Range 17.7 in
• Macro Focus Range 1cm
• Lens Aperture F/2.8-4.1
• Optical Zoom 4 x
• Zoom Adjustment Motorized drive
• Lens Construction 7 group(s) / 8 element(s)
• Features Aspherical lens , Built-in lens shield

Additional Features

• Self Timer Yes
• Self Timer Delay 2 sec , 10 sec
• Additional Features AE lock , AF lock , FE lock , Safety zoom , Blur warning , DPOF support , Direct print , Audio recording , Auto power save , Built-in speaker , Histogram display , PictBridge support , USB 2.0 compatibility , Digital image rotation , Digital tele-converter , Digital noise reduction , RGB primary color filter , Display brightness control , Camera orientation detection

Viewfinder

• Viewfinder Type Optical - Real-image zoom

Display

• Type LCD display - TFT active matrix - 2.5 in - Color
• Display Form Factor Rotating
• Display Format 115,000 pixels

Digital Player (Recorder)

• Type None

Microphone

• Type Microphone - Built-in

Connections

• Connector Type 1 x USB , 1 x Composite video/audio output , 1 x DC power input
• Expansion Slot(s) 1 x SD Memory Card

Software

• Software Canon PhotoStitch , Canon ImageBrowser , Drivers & Utilities , Canon Remote Capture , Canon ZoomBrowser EX

System Requirements for PC Connection

• Operating System Support MS Windows ME , MS Windows XP , MS Windows 2000 , MS Windows 98 SE , Apple Mac OS X 10.2 - 10.4
• Peripheral Devices USB port , CD-ROM drive , SVGA monitor

Miscellaneous

• Carrying Case None
• Included Accessories Wrist strap
• Cables Included A/V cable , USB cable

Power

• Power Device None

Battery

• Supported Battery AA
• Supported Battery 4 x AA Alkaline battery ( Included )

Environmental Parameters

• Min Operating Temperature 32 °F
• Max Operating Temperature 104 °F

CNET Labs' Benchmarks

• Labs information All values are expressed in seconds. Please visit our labs information page for information on how digital cameras are tested.
• CNET Labs Flash shot to shot time 2.4
• CNET Labs Shot to shot time typical 1.7
• CNET Labs Shutter lag bright 0.5
• CNET Labs Shutter lag dim 1.0
• CNET Labs Typical burst speed 1.3
• CNET Labs Wake up time 1.5

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