> "Ray Amos" <[EMAIL PROTECTED]> wrote:
> You're right about not being impossible. But I was speaking of every
> shot out of 1,000 shots a weekend many weekends a year. Not just one
> set up shot. In your example, any 400mm lens focused 6" from the front
> of the lens will have good background blur. Also, as I'm sure you know,
> Bokeh is not just background blur. It's a special kind of background
> blur.
Hi Ray,
I think we are both saying the same things: that bad bokeh is one of
the weaknesses of the 100-400, so if I shoot with that lens, there are
certain things to avoid. On the other hand, you make a point that
choosing a more expensive lens with better bokeh would also solve the
problem.
The bokeh comparison that most interests me are these three:
EF 400 f/5.6 L USM
EF 100-400 f/4.5-5.6 L IS USM
EF 400 f/4 DO IS USM
The "bright-ring" bokeh of the 100-400 can even be seen in the viewfinder
by defocussing an image of a distance point source of light (e.g. lamp).
Has anyone looked in the DO lens to see what happens in the same situation?
Cheers
Julian Loke
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