Re: Some basics Please (Part II)

["Thomas \"Hank\" Hogan" <flzhgn@xxxxxxxxxxxxx>]

Gary --

I started out with a #87 filter gel!  It's opaque to visible light so
you can
not see through it!  I put it into a Cokin filter holder and attached
that on
to the front of my lens after focussing on a Greek Orthodox church.  You
can see
the result at http://www.pic.net/~flzhgn/ir.html

Then a kind soul named Andy sent me a copy of an article he had written
on 
Action Infrared Photography - where he gives directions on mounting the
#87 filter
behind the mirror (in front of the film)in a 35mm camera.  Works great!
The information is available on a web site at the RIT (Rochester
Institute of Technology)

I usually start my exposures at f8, 1/500th second and bracket the
exposures in
fifty percent increments and note them in a little Cokin filter
notebook.

The #25 RED filter can be used to get combined visible red and invisible
infrared
effects.  I notice that my images have more detail but this might
because I have not
achieved the correct exposure.

Best of Luck

Hank Hogan <flzhgn@xxxxxxxxxxxxx>
> 
> So would it be better to start off with a #25 red filter and then move on to
> the #87? Also I can not set the ASA speed on my camera and for canister's of
> film with no DX code it will default to ASA 100 so after looking at the
> settings that you suggested (f/11 @ 1/60) I think that I'm going to have go a
> bit slower maybe f/11 @ 1/30 or 1/15. Well I guess I will just have to try them
> all and see which ones come out the best.
> 
> Thanks for your reply
> Gary

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