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  • Writer's pictureLindsey de Roos

tricolour - the technical process

As I went down a Youtube wormhole one early morning (2am), I stumbled upon tricolour photography with b&w film. On a practical side it was an answer to my colour photography prayers, as I can only do black and white developing at home during lockdown. However I also saw an opportunity utilise this process as a means of in-acting mindfulness. the idea of having to set up the camera and 4 well timed photographs in the exact same way had a slowness to it, that for me at least built this feeling of making a photograph as a-pose to taking it.

I did find that this process was near impossible to do with my diy scanner at home. As it requires be to have scanned each image in the exact same conditions which that already is impossible to achieve with a flatbed scan as each film (as in the plastic material) has its own curvature which will result in a variation in the scan.

this is a list of all the issues that would make the photograph unsuccessful.

  • a shift in subject matter (literally)

  • shift of the camera

  • incorrect camera settings

  • shift in scanning

  • shift in developing.

all of these conditions have to be precisely the same otherwise the channels will be visible in the image.

This is a scan of the colour photograph taken from three b&w images. In the first image below you can see that there was only a small area in which all the channels lined up, which was the arm of the power tower. this was an indicator that the angle in which I scanned this image was different from one another

when we got back to the studios I then scanned the images on the flat bed scanner and this was the process .

These are the four images that are seperate into the three RGB colour channels. which I then place into photoshop.

This is them unedited in photoshop.

Lined up.

colour corrected.

These are photographs I've made that have been colour corrected.

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