[Frameworks] Color separation experiment

[Thomas Bartels]

In 1980 Bernd Upnmoor shot DOM in Hamburg, Germany. Three rolls of b/w film exposed with colour filters as Scott suggested. A merry-go-round illuminated at nighttime. In the begining and end of the film the three different shots meet, in the middle part the colours run out of sync. Beautiful!
Best,
Thomas.
Thomas Bartels
www.thomasbartels.eu http://www.thomasbartels.eu

> Albert Alcoz <albertalcoz at gmail.com> hat am 15.03.2023 23:08 CET geschrieben:
>  
>  
> Hello John,
>  
> Some other films that could be interesting for the color separation experiment are Colour Separation by Chris Welsby https://lightcone.org/en/film-1532-colour-separation and, as Eric Theise suggested, Tomonari Nishikawa's 45 7 Broadway https://vimeo.com/117525190.
>  
> In 2015 I did an Ektachrome reversal super 8 film playing with different colour filters. It was a freestyle procedure though and here are some frames of the outcome: Color Spectrum http://www.albertalcoz.com/2015/05/espectro-cromatico.html. 
>  
> Best,
> Albert 
> 
> On Wed, Mar 15, 2023 at 8:24 PM Jeff Kreines <jeff at kinetta.com mailto:jeff at kinetta.com> wrote:
> 
> > 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
> > jeff at kinetta.com mailto:jeff at kinetta.comhttp://kinetta.com
> >  
> > Sent from iPhone. 
> > 
> > 
> > > On Mar 15, 2023, at 1:11 PM, Eric Theise <erictheise at gmail.com mailto:erictheise at gmail.com> 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! https://vimeo.com/320467431, 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:
> > >  
> > > https://www.tomonarinishikawa.com/contact.html
> > >  
> > > Eric
> > >  
> > > 
> > > On Wed, Mar 15, 2023 at 11:59 AM <andre.colinet at telenet.be mailto:andre.colinet at telenet.be> wrote:
> > > 
> > > > The films of The Cantrills in a desert of Australia.Time,colour, separations.
> > > > 
> > > > 
> > > > ----- Mail d’origine -----
> > > > De: John Davis <0johndavis0 at gmail.com mailto:0johndavis0 at gmail.com>
> > > > À: Experimental Film Discussion List <frameworks at film-gallery.org mailto:frameworks at film-gallery.org>
> > > > Cc: Renée Delores <reneedelores at hotmail.com mailto:reneedelores at hotmail.com>
> > > > 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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> > > > 
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> 
>  
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