Alley in Pisa, Italy

by Lars Kotthoff

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5
votes
3answers
1k views

Does a high ISO generally result in bad dynamic range and less accurate color?

I have a Pentax K-x. I've had it set on "auto ISO up to 6400" for a while now, and I'm starting to wonder if this is making my images worse. Honestly I don't trust myself to tell. Does a high ISO ...
2
votes
2answers
758 views

If I need the higher ISO anyway, is there any downside in using Fujifilm's extended DR mode?

Fujifilm has an extended dynamic range mode, which is in some way linked to ISO. The X-Pro 1 has a sensor with a base ISO of 200; if I enable "DR 200%", the minimum possible ISO increases to 400, and ...