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Re: [OM] 21mm F2 "glow" wide open

Subject: Re: [OM] 21mm F2 "glow" wide open
From: Moose <olymoose@xxxxxxxxx>
Date: Fri, 27 May 2011 00:23:59 -0700
On 5/26/2011 7:17 AM, Dawid Loubser wrote:
> . . .
> The 21/2 has quite frightful coma towards the corners at f/2.0 (it's
> optically excellent by f/4.0 for 12x16in prints, BTW) so I am shooting
> it more and more wide open, trying to create layered, dreamy
> compositions. Here are two recently processed ones, from a (very
> muddy!) walk in the Knysna Forest.
>
> http://fc09.deviantart.net/fs70/f/2011/146/2/2/fern_valley_detail_01_by_philosomatographer-d3h8zge.jpg
> http://fc08.deviantart.net/fs70/f/2011/146/e/4/fern_valley_detail_02_by_philosomatographer-d3h8zhf.jpg
> (Both with OM-3Ti, Kodak TMY2-400, developed in D76 diluted 1+1)
>
> Does it work for you as a kind of "soft focus, but still quite sharp" 
> aesthetic?
> (well, I know Moose hates shallow DOF...)

Little time, as we are getting ready for a three day weekend retreat. There is 
Wi-Fi of a sort, but I'll probably be 
largely too involved/busy to bother to do more than check for emergencies.

Still, how can I ignore the challenge? :-)

You've oversimplified my aesthetic feelings about shallow DOF. I don't hate it 
as a matter of principle, and have even 
been known to quite like a few examples. My problem with it is that it is very 
difficult to get right and way too many 
examples that are 'off' a little or a lot are put out into the world.

As I said before, your dreamy image of the little flower girl is quite 
wonderful in all respects - except that the plane 
of focus is in the wrong place. I posted an alternate version with the plane 
relocated to show what I was talking about. 
Good, worth seeing, yes. First rate? To my perhaps overly exacting standards, 
not as shot and presented.

As to these images, I agree with a couple of others, the first doesn't much 
appeal to me and the second comes very close.

Before going into other specifics, I have to say that the deep background bokeh 
is just awful in both to my eye. To me, 
getting that soft, dreamy look requires the image so get softer and smoother as 
it goes OOF. Here, instead, it gets 
hard, edgy and busy, destroying what I imagine the intent to be. OOF 
highlights, instead of being relatively bright in 
the middle, tapering off smoothly toward the edges, are dark in the centers, 
brightening towards a sharp, bright edge. 
Contrasty edges get doubled, rather than mooshing softly off.

The Pictorialists got the soft, dreamy look, sometimes too much for me, but 
they had very different lenses than so many 
modern designs. Clearly at these relative subject and background distances, the 
21/2 wide open is not the tool "to 
create layered, dreamy compositions", at least to my taste.

One may digitally blur the background, and make things much better, but I have 
yet to find a really satisfactory way to 
correct, rather than somewhat masking, an inherent lens flaw. This is one 
reason I was trying to adapt an old Tessar 
50/2.8 to one of my Canon digitals. I was hoping that an older asymmetric 
design with very round aperture might have 
better bokeh for dreamy images. Hmmmm, maybe it'll work on the 60D - 80 mm eq. 
portrait lens?

As to the rest of these two images, I find it hard to tell whether the way the 
tree fades into OOF just doesn't work for 
me or whether it is, at least in part, the way the bokeh makes the bark look 
wrong as it goes OOF. The composition is 
OK, but doesn't excite me.

The second is, to my taste, a lovely composition, and well chosen for the 
intended purpose, but for the bokeh. 'Twere 
mine, I'd also be asking myself if another with the plane of focus back a bit 
might be as good or better. As it is, I'd 
crop off the top and blur and darken the bright shiny disks.

Shallow Moose
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