Congrats--very interesting lens. Some like its overall rendering so much it is
there favorite walk around 50. The bokeh for macro is overall much better
under most conditions than the 50/3.5 but can be busy at times.
The bokeh is good as best I can recall with distant backgrounds at most
apertures but with distant backgrounds
the absolute blur is a f(physical size lens aperture) and only very modesty a
function of the
lens design.
Chuck raises a significant point about hand holding for macro. Yes it IS
easier to hand hold as shorter FL macro lens with less motion blurring than a
long FL lens at the same magnification.
A bit of geometry/algebra will yield the 1/FL as minimal speed rule of thumb
should be modified by the factor (1+M)**2 ---so at 1:1 four times the speed is
required for example. So magnification does indeed matter but so does FL!!!
Yes it is true, Mike
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