Lines of a fingerprint.

Posted on 27/04/201828/04/2018 by David M

The Daily Post Weekly Photo Challenge is Lines.

The photo shows two overlapping fingerprints in sodium thiosulfate which has crystallized. The crystals were photographed through a microscope using polarized light.

Sodium thiosulfate is used as a photographic fixer in the darkroom as silver halide dissolves in it. Commonly known as Hypo in the days of the black and white darkroom.

A fingerprint in sodium thiosulfate.

14 thoughts on “Lines of a fingerprint.”

Graham 27/04/20185:29 pm Reply

Very cool image.

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1. davidmsphotoblog 27/04/20188:35 pm Reply
  
  Thanks Graham.
  
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Garfield Hug 27/04/201810:56 pm Reply

Really awesome way of treating finger prints. I love the electrifying neon colors – psychedelic colors👍😃

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1. davidmsphotoblog 28/04/20183:57 am Reply
  
  Thanks
  
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Between the Lines – What's (in) the picture? 28/04/20183:50 am Reply

[…] Lines of a fingerprint. – David M’s photo blog. […]

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Bob and weave – Valley of Stars 30/04/20185:03 am Reply

[…] Lines of a fingerprint by David M’s photo blog All lined up and everywhere to go – Fotoeins Fotografie WPC: Lines… by Stanley and Bear In the Zen Garden by Travel Words Weekly photo challenge: Lines by Streets of Nuremberg […]

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dunelight 30/04/201810:50 pm Reply

Beautiful…is there a quick explanation of your set up for shooting this?

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1. davidmsphotoblog 01/05/20186:28 am Reply
  
  Maybe I should write a future post about polarized light microscopy.
  
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  1. dunelight 01/05/20186:46 am
    
    I’m curious. Was this part of your job? Where you researching something or reporting on it or just curious?
    
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  2. davidmsphotoblog 01/05/20186:50 am
    
    At the time I was running the photo department at a scientific research establishment but these were taken in my spare time. I was interested in the technique as it wasn’t a process I used in the job.
    
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  3. dunelight 01/05/20186:53 am
    
    Ah…OK..I thought it might be something like this. I remember back in school when all these amazing, otherworldly microscopic shots started coming out in different press sources. You were part of that wave?
    
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  4. davidmsphotoblog 01/05/20186:54 am
    
    I may have been, these were taken in the early 1980s.
    
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  5. dunelight 01/05/20188:10 am
    
    Aaaand if you post about it, you will likely have to post a link somewhere in one of my comment sections because I do not get around to the blog as much as I’d like to and I am curious. I assume you are an engineer and jerry-rigged something.
    
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  6. davidmsphotoblog 12/05/20189:11 am
    
    I finally got around to finishing it,
    
    https://davidmsphotoblog.com/2018/05/12/polarized-light-photomicroscopy/
    
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14 thoughts on “Lines of a fingerprint.”

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