on 2014-04-06 6:40 Collin Brendemuehl wrote
I took two framings this morning.
interesting study > [regarding bokeh]
The one extra stop with the K lens accounts for this. Still even if one adds one stop with the F50/1.7 to create an equivalent result, the K performed quite nicely.
f/8 to f/9 is more like a third of a stop, but the difference in bokeh seems subjectively like at least a couple of stops, so i suspect (as it seems you do) that one of the lenses' apertures is not functioning to spec
When it comes to rendering the soft edges with the K are much smoother. The F50/1.7's edges are much softer, almost having that double-image appearance. I think the K wins in this regard.
that was hard for me to see on your shots, and i wonder if it is down to the uncertain aperture
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