that one looks like the bokeh has field curvature
problems but it doesnt have this ugly double image
effect seen in my 85mm M2.0 lens sample photo. Neither
one looks good.
jco


-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
Digital Image Studio
Sent: Saturday, April 28, 2007 12:31 AM
To: Pentax-Discuss Mail List
Subject: Re: M85mm f2.0 bokeh


On 28/04/07, J. C. O'Connell <[EMAIL PROTECTED]> wrote:
> The photo I posted in the beginning of the
> thread shows a weird almost double image
> type bokeh that I called bad:
>
> http://www.jchriso.com/temp/85MM01.jpg
>
> That does not look "good" to me
> by any standards. If this is subjective,
> what example would you provide
> as "bad"? ( I already excluded mirror
> lenses from the thread, we all know
> those are a special unusual case ).

My old Nikkor 50/1.4 had "bad" bokeh wide open particularly when
subjects were backlit due to it's hard edge rendering of OOF elements:

http://i7.photobucket.com/albums/y259/BigVdub/bw0503.jpg

-- 
Rob Studdert
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Pentax user since 1986, PDMLer since 1998

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