Mike,
Although I don't often record the aperture settings when using manual
lenses, I think these were shot wide open at f/4. The background was
approximately twice as far away from the lens as was the subject, and
consisted mostly of green foliage and trees. I had made similar shots of
the bird on the same tree a week earlier, with less sunlight, and the
background was much darker and less defined. I think the amount of visible
swirl is dependent on the amount of light falling on the background area.
Thanks for looking.
Jim Nichols
Tullahoma, TN USA
----- Original Message -----
From: <usher99@xxxxxxx>
To: <olympus@xxxxxxxxxxxxxxxxx>
Sent: Friday, June 08, 2012 1:00 PM
Subject: [OM] IMG: Redhead Again
> Great shots, thanks for posting. One really does seem to have a bit of
> "swirl bokeh" which is rather tame and pleasant to me. I didn't know any
> Leica's could do that. Is that a substantial crop?
>
> I think vintage LF lenses were noted to do that in
> some cases and paradoxically very small format lenses such as the
> possible swirl bokeh KING Helios 44-2 58 F2. It is a near copy of a Zeiss
> Biotar and till they became more popular could be had for 10 bucks. I
> put in a couple snipes for a M42 mount but no luck as was out-sniped by a
> dollar or two.(things too hectic of late to do much) I think they are
> more popular now and command a higher price but still cheap. QA is lousy
> but a good copy renders some macro shots very nicely. I think the swirl
> bokeh is pronounced stopped down a bit
> with a distant background. I had a sec to search and found one quick
> example:
>
>
>
>
>
> http://deadwolfbones.smugmug.com/Photography/Helios-10-7-09/IMGP0949/682490268_L94WK-XL.jpg
>
> Not sure of the optical properties mediating that OOF rendering. Not sure
> even Moose could simulate
> good swirl bokeh in post. ;-)
>
> Bonkers Bokeh Booster, Mike
>
>
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