We need to be more specific about the 'problem'. From what I saw, it
occurs with OOF highlights that are commonly seen in outdoor portraits
of people and flowers. There are examples posted to the Web, but I
can't seem to google them right now.
ScottGee1
On 3/15/06, Winsor Crosby <wincros@xxxxxxxxxxx> wrote:
>
> I took a quick look over at the PBase for pictures made with the lens
> and it did not seem that horrible.
>
> http://www.pbase.com/cameras/canon/ef_70-300_45-56_do_is_usm
>
>
>
> Winsor
> Long Beach, California, USA
>
>
>
>
> On Mar 15, 2006, at 12:44 PM, Chuck Norcutt wrote:
>
> > Until today I didn't know the 400 DO even existed although it
> > apparently
> > preceded the 70-300. The bad bokeh images I saw were from the 70-300.
> > They were much worse than mirror donuts and were so ugly I made a
> > mental
> > note never to buy a lens with DO in the list of acronyms. Not much
> > worry about that anyhow given the price.
> >
> > Chuck Norcutt
> >
> > Moose wrote:
> >
> >> Chuck Norcutt wrote:
> >>
> >>
> >>> They also have a 70-300 DO lens. I saw some shots from that and
> >>> considered it the world's worst bokeh. There were concentric
> >>> circles
> >>> visible in the bokeh from the diffraction grating.
> >>>
> >>>
> >>
> >> I saw that is some samples from the 400mm DO. So I was surprised
> >> to see
> >> Michael Reichmann's review of the 70-300 DO
> >> <http://luminous-landscape.com/reviews/lenses/Canon-70-300mm.shtml>.
> >>
> >> Although it doesn't say so in that review, he liked it so much
> >> that he
> >> bought one and seems to use it a lot. I first became aware of his
> >> review
> >> when reading another piece on his site illustrated with shots with
> >> his
> >> own 70-300. I believe he said he is happily using it in his pro work.
> >>
> >> Moose
> >>
> >>
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