Canon PowerShot A640

Announced Aug 24, 2006 •
10 megapixels | 2.5 screen | 35 – 140 mm (4×)
Price
Body type
Body type Compact
Sensor
Max resolution 3648 x 2736
Other resolutions 2816 x 2112, 2272 x 1704, 1600 x 1200, 640 x 480
Image ratio w:h 4:3, 3:2
Effective pixels 10 megapixels
Sensor photo detectors 10 megapixels
Sensor size 1/1.8" (7.144 x 5.358 mm)
Sensor type CCD
Image
ISO Auto, 80 ,100, 200, 400, 800
White balance presets 6
Custom white balance Yes
Image stabilization No
Uncompressed format No
JPEG quality levels Super-Fine, Fine, Normal
Optics & Focus
Focal length (equiv.) 35–140 mm
Optical zoom 4×
Maximum aperture F2.8
Autofocus
  • Contrast Detect (sensor)
  • Multi-area
  • Single
  • Live View
Digital zoom Yes (4 x)
Manual focus Yes
Macro focus range 1 cm (0.39)
Number of focus points 9
Screen / viewfinder
Screen size 2.5
Screen dots 115,000
Touch screen No
Live view Yes
Viewfinder type Optical (tunnel)
Photography features
Minimum shutter speed 15 sec
Maximum shutter speed 1/2500 sec
Aperture priority Yes
Shutter priority Yes
Built-in flash Yes
Flash range 4.20 m
External flash Yes (Canon High Power Flash (slave))
Flash modes Auto, On, Off, Manual (Red Eye On/Off)
Continuous drive 1.5 fps
Self-timer Yes (2 or 10 sec)
Exposure compensation ±2 (at 1/3 EV steps)
Videography features
Resolutions 640 x 480, 30/15fps, 320 x 240, 60/30/15 fps, 160 x 120 15 fps, audio
Microphone Mono
Storage
Storage types SD/MMC card
Storage included 32 MB SD card
Connectivity
USB USB 2.0 (480 Mbit/sec)
HDMI No
Remote control No
Physical
Environmentally sealed No
Battery AA
Battery description AA (4) batteries (NiMH recommended)
Weight (inc. batteries) 315 g (0.69 lb / 11.11 oz)
Dimensions 109 x 66 x 49 mm (4.29 x 2.6 x 1.93)
Other features
Orientation sensor Yes
Timelapse recording No
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