Love it, what a versatile lens. Shot I took this morning in ambient light - looking for curves and texture here, I love doing portraits of flowers indoors on weekend mornings
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ISO 400 f/4, hand held.
I particularly like how the K7 renders Jpegs, all the way up to ISO 2500. I've found a combination of base settings that seem to keep the grain a bit tighter and more uniform in shadow areas too.
I don't even think twice about shooting up to ISO 800 in the K7, that gives me a lot of room to work with in terms of sensitivity. Can't say I didn't think twice using other cameras!