RE: Re: IR receivers - plasma filters?

[Paul Gale <groups2@xxxxxxxxxxxxxxxx>]

Ah I see - or not (if it's dark)!  ;)

Paul.



> -----Original Message-----
> From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On Behalf
> Of Marcus Warrington
> Sent: 14 January 2009 08:54
> To: ukha_d@xxxxxxx
> Subject: RE: [ukha_d] Re: IR receivers - plasma filters?
>
> Paul,
>
> > Why would it need to be in a dark room?
>
> Jim was being humorous. The original quote simply said "unexposed
film"
> (nothing mentioned about development), so as soon as it sees any light
> it will become exposed film.
>
> > must have been 20 years or so since I last took real film!
>
> I still use "real" film (slide film) in a 1950's stereo
camera and a
> Russian Medium format camera (Sputnik) :)
>
> Marcus
>
> > -----Original Message-----
> > From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On
> Behalf Of
> > Paul Gale
> > Sent: 14 January 2009 08:44
> > To: 'ukha_d@xxxxxxx'
> > Subject: RE: [ukha_d] Re: IR receivers - plasma filters?
> >
> > Why would it need to be in a dark room? It is developed but never
> exposed
> > in the camera (so the film is black I guess).
> >
> > Sounds like a good idea - and yes, I was thinking about the bits
at
> the
> > end of some old negatives - not sure I have any around, must have
> been 20
> > years or so since I last took real film!
> >
> > Paul.
> >
> > > -----Original Message-----
> > > From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On
> Behalf
> > > Of Jim Noble
> > > Sent: 13 January 2009 23:45
> > > To: ukha_d@xxxxxxx
> > > Subject: Re: [ukha_d] Re: IR receivers - plasma filters?
> > >
> > >
> > > On 13 Jan 2009, at 21:33, Keith Doxey wrote:
> > >
> > > > Unexposed Photographic film negatives are also supposed
to be
> quite
> > > > good as
> > > > IR filters.
> > >
> > >
> > > That's going to be tricky unless you have your telly in a
darkroom
> :-)
> > >
> > > The link talks about unexposed, developed /slide/ film
(which will
> > > remain opaque to visible light).
> > >
> > > It's probably easier to use fully exposed, developed
negative film
> > > though (there's usually some on the end of the roll when you
get a
> > > 35mm film back form being developed!)
> > >
> > > Jim
> > >
> > > ------------------------------------
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> > >
> > >
> > >
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> ------------------------------------
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>
>
>
>
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__________ Information from ESET NOD32 Antivirus, version of virus
signature database 3763 (20090113) __________

The message was checked by ESET NOD32 Antivirus.

http://www.eset.com


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