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| Price | $899.99 | $744.95 | $199.00 to $255.00 | $399.00 | $391.80 to $399.99 |
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| Release date | September 15, 2006 | August 19, 2009 | September 15, 2006 | ||
| The Bottom Line | It's not great in low light, but the A640 has plenty of features photographers will love. | Performance issues aside, the Canon PowerShot A650 IS combines large, good-looking photos and a generous feature set into a fine midrange shooter. | Canon's SX120 IS pocket megazoom falls behind the competition in every aspect except photo quality. | Though it's not a great choice for low-light shooting, the Canon PowerShot A630 is a solid, feature-rich digital camera. | As long as you're not expecting dSLR speed in a tiny body, the Canon PowerShot S90 is an excellent compact camera for advanced amateurs. |
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| Features | |||||
| Lens aperture | F/2.8-4.1 | F/2.8-4.8 | F/2.8-4.3 | F/2.8-4.1 | F/2.0-4.9 |
| Equivalent 35mm focal length | 35 - 140 mm | 35 - 210 mm | 36 - 360 mm | 35 - 140 mm | 28 - 105 mm |
| Optical zoom | 4 x | 6 x | 10 x | 4 x | 3.8 x |
| Light sensitivity | ISO 80 ISO 100 ISO 200 ISO 400 ISO 800 ISO auto | ISO 80 ISO 100 ISO 200 ISO 400 ISO 800 ISO 1600 ISO 3200 | ISO 80 ISO 100 ISO 200 ISO 400 ISO 800 ISO 1600 ISO auto ISO 3200 (2Mpix) | ISO 80 ISO 100 ISO 200 ISO 400 ISO 800 ISO auto | ISO 80 ISO 100 ISO 125 ISO 160 ISO 200 ISO 250 ISO 320 ISO 400 ISO 500 ISO 640 ISO 800 ISO 1000 ISO 1250 ISO 1600 ISO 2000 ISO 2500 ISO 3200 ISO auto |
| Display (projector) technology | TFT active matrix | Low Temperature Poly-Silicon (LTPS) | TFT active matrix | TFT active matrix | TFT active matrix |
| Memory storage capacity | 32 MB | 32 MB | 128 KB | 16 MB | Info unavailable |
| Video input type | Digital camera | Digital camera | Digital camera | Digital camera | Digital camera |
| Flash memory form factor | MultiMediaCard | SD Memory Card | SD Memory Card | SD Memory Card | Info unavailable |
| Digital zoom | 4 x | 4 x | 4 x | 4 x | 4 x |
| Weight | 8.6 oz | 10.6 oz | 8.6 oz | 8.6 oz | 6.2 oz |
| Effective sensor resolution | 10,000,000 pixels | 12,100,000 pixels | 10,000,000 pixels | 8,000,000 pixels | 10,000,000 pixels |
| Still image format | JPEG | JPEG | JPEG | JPEG | RAW JPEG RAW + JPEG |
| Display (projector) diagonal size | 2.5 in | 2.5 in | 3 in | 2.5 in | 3 in |
| Manual focus | Manual Automatic | Manual Automatic | Manual Automatic | Manual Automatic | Manual Automatic |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
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