[pure-silver] Re: Ideas On How To Get Ortho-Like Skies
- From: "BOB KISS" <bobkiss@xxxxxxxxxxxxx>
- To: <pure-silver@xxxxxxxxxxxxx>
- Date: Sun, 13 Feb 2011 19:21:19 -0400
Ag markets a "Rollei" IR film and Efke also sells an IR film. Throw on a
VERY deep red filter (or even an IR filter that transmits no visible
light...AFTER you have composed your shot!) and you have black skies...but
watch out for those VERY white clouds!
-----Original Message-----
From: pure-silver-bounce@xxxxxxxxxxxxx
[mailto:pure-silver-bounce@xxxxxxxxxxxxx] On Behalf Of Richard Knoppow
Sent: Sunday, February 13, 2011 2:03 AM
To: pure-silver@xxxxxxxxxxxxx
Subject: [pure-silver] Re: Ideas On How To Get Ortho-Like Skies
----- 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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