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Compared to...

Below you will find a studio comparison between the Casio EX-Z750 and the Canon PowerShot SD500. We have included samples for the lowest and highest ISO settings for each camera (ISO 50 and 400).

Studio scene comparison (@ ISO 50)

  • Casio EX-Z750 : Aperture priority mode, ISO 50, Default Image Parameters,
    Manual white balance, +1.0 EV compensation
     
  • Canon PowerShot SD500: Program mode, ISO 50, Default Image Parameters,
    Manual white balance, +1.0 EV compensation
     
  • Lighting: Daylight simulation, >98% CRI
Casio EX-Z750
Canon PowerShot SD500
ISO 50, 1/40 sec, F5.6
ISO 50, 1/80 sec, F4
3,938 KB JPEG
2,719 KB JPEG
Noise, std dev: 1.5
Noise, std dev: 1.9

Compared side by side the most obvious difference between these two directly-competing cameras is that the Casio's default settings produce a much more vivid, saturated result that - as well as having slightly better edge-to-edge consistency than the Canon SD500 - has also had much more in-camera sharpening applied, and has noticeably higher contrast. In fact our main observation about the Z750's results throughout this test is that the default settings are obviously designed to produce the brightest, sharpest prints without the need for any post-processing, they are way too 'turn everything up to 10' for the more serious photographer. Fortunately contrast, saturation and sharpness can be turned down, resulting in images more similar to the SD500.

Luminance noise is lower in the Z750 image, but this is a slightly misleading result, as per-channel (chroma) noise is marginally higher, meaning the Casio's results actually look slightly noisier in the shadow areas (though there's not much in it).

Ultimately, the difference between these results - and those from pretty much all 'P&S' 7 megapixel cameras is unlikely to make a significant visible difference to the final print - you're looking here at the actual pixels, which - to put it into perspective - represents the kind of enlargement you'd get if you produced a print over 40 inches high. It comes down to personal taste (and of course the Z750's better feature set), though I would suggest the Canon result - though technically very similar - is more appealing than the Casio's until you turn down the excessive sharpness/contrast/saturation. The Canon is also squeezing very slightly more real detail out of our test scene.

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