That was my impression too, after examining my wife's camera lens, but it
only worked for the first few frames.

-Dave

"rsibbald" <rsi### [at] julianuwoca> wrote in message
news:39730F01.7F831C1F@julian.uwo.ca...
> I've taken apart many a diaphragm from different microscopes (damn things
> break too often!) which work on the same principle.  To me, it looks like
> you've got the overlapping just fine.  For a pivot point, if you're
looking at
> each
> piece as a triangle with it's upper tip at the centre of the circle, you
> should use
> the bottom left corner as the pivot point and let all the pieces fall to
the
> right.
>
> hope this helps,
>
> Ph_Rob
>
>
> Dave Blandston wrote:
>
> > Has anyone ever animated a camera lens aperture? I've got part of it
done,
> > but I can't seem to figure out what the correct pivot point should be
for
> > the blades. And I can't figure out how to get the correct overlapping
> > pattern, or a good 3D effect. How do those darned things work, anyway?
> >
> > -Dave
> >
> >                Name: Test.mpg
> >    Test.mpg    Type: MPEG Video (video/mpeg)
> >            Encoding: x-uuencode
>

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