seeking some advice regarding a purchase

Started Sep 23, 2012 | Discussions thread
awaldram
awaldram Forum Pro • Posts: 13,258
Re: High ISO, low light, and DR

You observations are at odds with the science

Contrast detect because it relies on contrast fails rapidly under low light, Phase detect will continue focusing in considerebly lower light than contrats can manage.

This is due tot eh technology so doesn't matter whose implentation your talking about.

If your finding PD failing earlier then I suspect your using cheap slow glass which pushes the ev rating up so that PD will stop in hi light level ev2+ where the CD will still operate.

If you used and appropriate lens then PD would function below ev0 at light levels that CD has not a hope in hxxl of working.

That is a case of use the right tool for the job and slow zoom is not the right tool.

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