It's amazing how tastes change. I remember, about 30 years ago, trying to
get just such a background image of the aperture. It was quite commonly
seen, if not desired.
Gregg
Olaf responded:
> Hi,
>
> >I'm not sure I'd call the background in Ranjal's spiderweb photo "bad"
> >bokeh because in the context of that image it echoed the geometric
patterns
> >of the spiderweb itself.
>
> Well, I wasn't saying it doesn't go well in the picture (although I
> personally would have preferred to not see it, as it immediately drew my
> attention away from the spider web). What I was saying was that this type
of
> bokeh falls into the category of what is considered bad bokeh (i.e. very
> unsmooth with the diaphragm shape (clearly) visible, yielding a highly
> distracting section in the picture).
>
> >So, to my tastes, it was an acceptable and even desirable manifestation
of
> >that optical characteristic.
>
> This, of course, is a matter of taste. Personally I could live without it,
> but I do see what you mean when writing about the similarities in the
> geometrical shapes. However, as the things one normally photographs do not
> tend to have a hexagonal shape, it is still (in my eyes) an undesirable
lens
> characteristic; be it one that perhaps adds to this particular picture's
> composition...
>
> >And, as you said, there's more to bokeh, good or otherwise, than the
> >element of iris-shaped flare or highlight patterns. So much depends on
the
> >background itself.
>
> Yes. Unfortunately these topics are not covered at all in the document I
> provided the link to. But indeed, the "bokeh-killer-test" is a about as
> difficult a situation as one can bestow on a lens...
>
> >BTW, the emu may have been drunk. It was feasting on rotting fruit in
our
> >orchard, which often smells like a brewery in late summer.
>
> :)))
> Well, the "facial expression" certainly attests to that! ;)
>
> Cheerio!
> Olafo
>
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