Yep! :)
Ciao!
Fabio
On 7/14/06, Moose <olymoose@xxxxxxxxx> wrote:
>
> Fabio Fiorellato wrote:
> > ...and what a diaphragm, indeed! :)
> >
> > The strange thing is that the donut shapes doesn't seem to change (while
> > they were supposed to) and their resolution seems to improve by reducing
> the
> > aperture...
> >
> > Anyhow I'm still of the opinion that there still is a (rather
> unperceptible,
> > I do admit) impact on the DOF by stopping down the lens, judging by the
> test
> > images. Maybe the 300mm focal length and the mirror design don't help at
> > getting a more pronounced effect, who knows.
> >
> The DOF effect of such a change in aperture on a conventional design
> 300mm lens is MUCH more pronounced.
> > At least it seems that someone has found a way to build variable
> aperture
> > mirror lenses (and we all have seen with what results! :)
> >
> Not much, as I'm sure your smiley face is meant to indicate.
>
> Moose
>
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