Re: IR & Water: a robust debate continues...

["Charles Andrew" <candrewpsu@xxxxxxxxxxxxx>]

Kodak bought a spectrometer from me because it had "calcite" optics back in
the 60's.
----- Original Message -----
From: Ben Kreunen <ben@xxxxxxxxxxxxxxxxxxxxxxx>
To: <infrared@xxxxx>
Sent: Sunday, March 26, 2000 10:17 PM
Subject: Re: IR & Water: a robust debate continues...


>
> >Saying things like: You can't use AF lenses
> >for IR photography, you can't cut down 70mm IR film
> >into 220 rolls, You can't take UV pictures unless you
> >have an expensive quartz lens. Despite what theory
> >says, all of the above are possible to a certain
> >extent.
>
> Exactly.. and while numbers and theory are all very well in understanding
> what's happening, the only thing that matters in the end is what's on
film.
> Go out and photograph water in different situations, see what happens and
> add it to the stockpile of photographic experience.
>
> Some of this debate seems to have been a little irrelevant when you
> consider that your average shot of the sea/lakes from land doesn't look
> through water, but rather at the reflection of the sky so absorption has
> very little to do with it.
>
> Long exposure times will blur reflections making water appear more
> transparent but this works for any type of film.  There are more things to
> consider than just the absorption spectra of water that effect it's
appearance.
>
> Cheers
>
> Ben
>
> =======================================================
> Gallery and Photography Tips (including IR)
> http://www.bigbenpublishing.com.au/gallery/photography/
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