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Re: Pinhole and SLR (fwd)
- From: Helmut Faugel TE <htf@xxxxxxxxxx>
- Subject: Re: Pinhole and SLR (fwd)
- Date: Tue, 3 Jun 1997 09:28:11 +0200 (MET DST)
On Fri, 30 May 1997, George L Smyth wrote:
> Wayde Allen wrote:
> >
> > I've been thinking about working out the mathematics for the image circle
> > of a pinhole. Has anyone on the list already done this? Maybe some day
> > when I have the spare time???? Measuring is certainly a possibility.
>
> If I remember correctly, the light coming in from the pinhole covers a
> 120 degree cone.
No, there is no limit exept the 'thickness' of the hole. Ofcourse the
light falloff is huge.
- ------------------------------------------------------------------------
Helmut FAUGEL | Tel. : +49 / 089 / 3299 2245
Max-Planck-Institut f. Plasmaphysik | Fax : +49 / 089 / 3299 2558
Boltzmannstr. 2 | E-Mail : faugel@xxxxxxxxxx
D-85748 Garching bei Muenchen |
Germany |
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