Is there a list anywhere which lists
- how far behind the filter threads the front nodal point is
- how deep hoods are
- how wide hoods are
Then it would be easy to determine which hoods will work with which lenses.
Does filter thickness, or number of filters, affect this ?
tOM
On Sunday, May 18, 2003 at 1:32
Moose <olympus@xxxxxxxxxxxxxxx> wrote:
> It's simply geomerty and complex optics. If the front focal node of the
> lens has a different physical relationship to the filter threads, the
> angle of view will require either a narrower or wider hood.
>
> Moose
>
> Titoy wrote:
>
> >In fact that happened to me, why? both lenses are 28 mm focal length anyway.
> >
> >----- Original Message -----
> >From: "Matt BenDaniel" <matt@xxxxxxxxxxxx>
> >
> >
> >>The 28/2.8 hood vignettes the corners of a 28/2.
> >>
> >>At 23:29 17-05-03 -0400, Stephen Rosenblum wrote:
> >>
> >>
> >>>I just bought a 28/2 lens. I already have the hood for the 28/2.8. Any
> >>>reason why I shouldn't use the hood on the 28/2?
---------
2003 Jun 28-30 in Ottawa:
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tOM Trottier, ICQ:57647974 http://abacurial.com
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