Re: Fireworks Image

[Dwight Shack <tshack@xxxxxxxxxxxxxxxx>]

Were you full open on the f/stop, effectively removing the shutter leaves?

Dwight Shack wrote:

> How would the aperture leaves have gotten out of the way?
>
> George L Smyth wrote:
>
> > Dwight Shack wrote:
> > >
> > > That is quite odd.  I still say atmospheric diffraction due to smoke particles in
> > > the air, but that's a guess.  Sort of like a rainbow.
> >
> > Perpahe, but I now have a guess.  I think that it is internal flare within the
> > lens between the elements.  The aperture is not involved because the flare is
> > circular.  Does this sound reasonable?
> >
> > george
> >
> > --
> >
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> --
> D. Shack
>
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- --
D. Shack

- ---------------------
visit the Zydeholics Anonymous webpage at
http://www.silver-bayou.com/cz

Visit the alt.culture.cajun Rogue's Gallery at:
http://www.silver-bayou.com/cz/photo.htm


*
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End of Infrared-Digest V0 #659
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