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Tinker on the fly: A color filter made from spoiled film

Probably each one of you has been annoyed with failed film. This is particularly annoying when you get the developed film back from the lab, but you get blanks because the film was not exposed. It's either the film transport didn't work, or you have not taken the lens cap off, etc. Read on and I'll show you an alternative to just throwing away the film: Simply use it as a color filter for your camera, with the La Sardina for example.

The construction of the La Sardina challenges us to modify this little camera. In just a few steps you can stick in an unexposed film you got back from the lab as a color filter.

The reddish-brown base film of a color negative film gets completely transparent in the development process when it is not exposed, but retains its colour and gives photos a yellowish to reddish effect when you use it as color filter. The effect is not as strong as with a redscale film, but it has a nice retro charm.

In the following video I’ll show you how to use this spoiled film as a filter in the La Sardina:

The results are dependent on the speed of the film used:

Just give it a try and the the results with us. I can hardly wait to see your pictures!

written by dopa and translated by dopa


  1. priyotrilaksono


    nice results :) it's like a redscaled

    8 months ago · report as spam
  2. aguillem


    I tried it this summer, with a piece of processed Lomo X-Pro 200. It was light purple with a gradient (the center darker than the sides) . Also I put the piece of film at 90°, so the sprocket holes are on the sides.

    8 months ago · report as spam
  3. mikaelagreenwald

    Great idea! Can't wait to try this
    8 months ago · report as spam

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The original version of this article is written in: Deutsch. It is also available in: Türkçe & Français.