Canon PowerShot A640 Full Specification
General
| Form factor |
Compact |
| Size (W x H x D) |
109 x 66 x 48 mm |
| Weight |
340 g |
| Battery type |
AA |
| Included cables |
AV cable, USB cable |
| Included accessories |
Wrist strap |
Main Features
| Sensor resolution |
10 megapixels |
| Optical sensor type |
CCD |
| Effective sensor resolution |
10,000,000 pixels |
| Gross sensor resolution |
10,400,000 pixels |
| Optical sensor size |
1/1.8 in. |
| Light sensitivity |
ISO 100, 200, 400, 800 |
| Digital zoom |
4 x |
| Shooting programs |
Snow, Beach, Indoor, Foliage, Fireworks, Landscape, Underwater, Kids & pets, Night scene, Portrait mode, Stitch assist, Night snapshot |
| Special effects |
Sepia, Vivid, Neutral, Positive, Black & White |
| Max shutter speed |
1/2500 s |
| Min shutter speed |
15 s |
| Continuous shooting speed |
1.5 fps |
| 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 |
| White balance |
Custom, Presets, Automatic |
| White balance presets |
Cloudy, Daylight, Underwater, Fluorescent, Tungsten light |
| Still image format |
JPEG |
| Digital video format |
AVI |
Lens Systems
| Auto focus |
TTL contrast detection |
| Lens type |
Zoom |
| Focal length |
7.3-29.2 mm |
| Equivalent 35mm focal length |
35-140 mm |
| Interchangeable lens |
No |
| Focus adjustment |
Automatic, Manual |
| Focus zones |
9 |
| Min focus range |
450 mm |
| Lens aperture |
F/2.8-4.1 |
| Optical zoom |
4 x |
| Zoom adjustment |
Motorised |
Camera Flash
| Flash type |
Built-in |
| 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 |
0.5-4.3 m |
| Other features |
AF illuminator, Flash +/- compensation |
Viewfinder / Display
| Viewfinder type |
Optical |
| Display type |
LCD display -- TFT active matrix |
| Display mounting |
Tilt and swivel |
| Display size |
64 mm |
| Display resolution |
115,000 pixels |
Memory / Storage
| Expansion slots |
1x SD Memory Card |
Connections
| Type |
1x USB, 1x Composite video/audio output, 1x DC power input |
System Requirements for PC Connection
| Operating system |
MS Windows ME, MS Windows XP, MS Windows 2000, MS Windows 98 SE |
Additional Features
| Self timer |
Yes |
| Self timer delay |
2 sec, 10 sec |
| Remote control |
No |
| Microphone |
Yes |
