----- Original Message ----- From: "Tim Daneliuk" <tundra@xxxxxxxxxxxxxx>
To: <pure-silver@xxxxxxxxxxxxx>
Sent: Saturday, February 12, 2011 12:52 PM
Subject: [pure-silver] Ideas On How To Get Ortho-Like Skies
I would love to duplicate the dark black skies one sees in images shot
on the old ortho films. I have tried many filters (orange, red, tri-red),
many films (TX, PX, TMX,BPF, FP4) and developers (D-76, HC-110, PMK, T-Max),
and I never quite manage to get what I want.
I even tried using Ilford's ortho film, but unless I'm doing something
wrong in development (possible, since I only glanced at the data sheets),
the stuff is so grainy as to be unusable.
Ideas anyone? I shoot a great deal of winter snow and summer landscape
stuff and would really love to have that black sky behind it all.
The black skys were not shot on orthochromatic film, which tends
to show skys too light. Black skys are usually the result of using
IR film with an IR or very dark red filter. Pan film can come close
by using a dark red filter, perhaps in combination with a
polarizer. Sometimes you can tell if IR film was used from
folliage; evergreen type trees will photograph dark while deciduous
trees photograph almost white. In fact, this effect is used in
aerial mapping to see what kind of trees are growing in an area.
I don't know if any true IR film is made now. There have been
pan films with extended red spectral sensitivity but, again, I
don't know if any are currently made. Technical Pan was such a
film. Unless used with a red-cutting filter, like a green filter,
it could result in oddly blank skin tones.
--
Richard Knoppow
Los Angeles, CA, USA
dickburk@xxxxxxxxxxxxx
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