Go, find a retro photo album. Open it, take your smartphone and take a photo of any picture that you find in that album. Congratulations! You have just ‘scanned’ your first photo. Of course, the quality is not perfect, and it’s a photo of a photo, but technically it’s also a scan. There’s of course more ambitious, more professional scanners available.
You can do same with the film roll that you might find somewhere close to the album. Only, ‘negatives’ (that’s what most film roll is called) is negative – the colors are inverted. Due to the fact that the chemicals that make the negative are on a ‘film’ that often has it’s own, mostly orange or orangy color, everything looks weird again. But a smartphone wouldn’t be a smartphone if there weren’t apps for that. Hold the ‘negative’ against a bright but hazy light source (cloudy sky) and take a picture with your smartphone camera. Choose the right app in the film and voila, the negative becomes a positive and looks normal.
But, what happens if you take a photo of a ‘negative’ onto another ‘negative’? Will it become positive, too?
Here’s what this guy found out:
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