If you’re shooting under artificial light consider using cycled R G B LED lights instead of filters. Less light loss and less heat to melt the ice. 

Jeff Kreines
Kinetta
kinetta.com

Sent from iPhone. 

On Mar 15, 2023, at 1:11 PM, Eric Theise <[email protected]> wrote:


Hi John,

Since Andre mentioned the Cantrills, I will say that their Waterfall is perhaps my favorite color separation film. But more recently, there was Ben River's sloth film, Now, At Last!, and I believe Tomonari Nishikawa has made more than one. I doubt he's on Frameworks but I've always found him to be a friendly problem solver so you might want to reach out to him:


Eric


On Wed, Mar 15, 2023 at 11:59 AM <[email protected]> wrote:
The films of The Cantrills in a desert of Australia.Time,colour, separations.


----- Mail d’origine -----
De: John Davis <[email protected]>
À: Experimental Film Discussion List <[email protected]>
Cc: Renée Delores <[email protected]>
Envoyé: Wed, 15 Mar 2023 18:05:44 +0100 (CET)
Objet: [Frameworks] Color separation experiment

Hello Frameworkers,

I am collaborating with, and writing on behalf of a friend who wants to
make a film using Ektachrome that will attempt to create a motion/color
separation effect. Here are her words:

"I am seeking advice for shooting a three color separation in 16mm with
Ektachrome color reversal film.


The film will document three fixed-position nearly identical ice blocks
with embedded plant materials. I plan to shoot on the same film reels doing
three consecutive passes, each pass documenting the three ice blocks as
they disintegrate. Using an Intervalometer for time-lapse, I am thinking I
would need to use three different filters/gels to isolate the colors for
each pass as the ice melts and the trapped matter/water fall out of
alignment. Any advice/experience with a process like this would be much
appreciated.


Some questions are:


1. What RGB gels/filters would be recommended to filter out corresponding
colors and produce the positive RGB color separation effect?

2. As Ektachrome is a reversal film, would I use the complementary filters
for red (cyan), green (magenta) and blue (yellow)? Or should I be doing the
opposite?


With the understanding there will need to be light tests, etc, any
additional advice on aperture compensation relative to a triple exposure
(with gels) would be much appreciated."


Sincerely,


John Davis


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