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Compared to...

Below you will find a studio comparison between the Canon PowerShot SD300 and the similarly specified Casio QV-R40 at the highest ISO setting for each camera (ISO 400 for the SD300, ISO 320 for the QV-R40).

Studio scene comparison (Canon SD300 @ ISO 400, Casio QV-R40 @ ISO 320)

  • Canon PowerShot SD300: Program mode, ISO 400, Default Image Parameters,
    Manual white balance, +0.33 EV compensation
     
  • Casio QV-R40: Program mode, ISO 320, Default Image Parameters,
    Manual white balance, +0.33 EV compensation
     
  • Lighting: Two 800W studio lamps with dichroic daylight filters bounced off the ceiling
Canon PowerShot SD300
Casio QV-R40
ISO 400,1/25 sec, F4.5
ISO 320,1/20 sec, F4.1
2,061 KB JPEG
1,830 KB JPEG
Noise, std dev: 5.1
Noise, std dev: 5.8

At ISO 400 the SD300's noise levels have inevitably risen, but not so much that you'd never want to use it. Of course the noise is much more noticeable in shadow areas, whereas lighter tones and highlights don't look that bad at all. The noise reduction is set just about right - enough to reduce the graininess a touch but not enough to mask too much fine detail.

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