Since I got the Canon SX230 P&S camera, I seldom to touch my Pentax DSLR. Not only because the P&S is grab & go system that is much lighter than the DSLR system, no need to carry multiple lenses, but also it doesn’t affect me to express something I like to at most of time. Composition is follow the same rule as DSLR, too.
However, in terms of the image quality, colors & contrast, shutter response time, tolerance of exposure, accuracy of white balance, maximum aperture (blur), the DSLR system is still not replaceable.
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Unfortunately the max. aperture of Canon HX230 is F3.1. And its macro shot capability is limited as well.