Re: Maco IR films

["Joseph O'Neil" <joneil@xxxxxxxxxxxxxx>]

At 17:02 15/05/00 -0600, you wrote:

-snip-
>But I'm afraid you will be disappointed at using a red 25. Using a red 25
>seems to me like a normal black and white with a red filter. No real IR
>effect. I got a filter from Clive at CoCam that's about a 89b and that
>worked fairly well, but I had to expose it much longer (it's a much darker
>red). This may make it difficult for portraits.  Maco asserts that their 820
>film is compatible with Kodak, but I believe that is a little misleading. At
>least it's apparent that their film sensitivity curves don't match. Kodak is
>much more responsive with a red 25 than Maco.

         Thanks.  I have cheked out the Maco and other web sites, but I 
only see developign times for Xtol.  Maybe I'll be the first to experiment 
with Rodinal.  :)
         As for beign liek HSI/HIE, as long asit behaves like Konica 750, 
I'll be happy.  Actually, even though it is nto as IR sensitive as HIE, I 
always liked Konica 750 in 120 format, and was dissapointed that no 4x5 
existed, so I think i will be happy.
         i have a B+W  filter - forget the number, but it is totally opaque 
to all but IR, and I even have an old aerial camera IR filter that is about 
40 years old, so I'll experiment and see how they work out.
         Still woudl love to hear about any other times other than Xtol/D76 
- grain be damned,full speed ahead.
:)
joe


http://www.oneilphoto.on.ca
http://www.multiboard.com/~joneil

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