Greater Concord Photo Club
A Friendly Group of Photographers in Concord, NH
This image is an anthotype photogram.
An anthotype is an image made using plant pigments. In this case, I used the spice turmeric.
A photogram is an image made by placing objects directly onto the a piece of photo sensitized paper and then exposing the paper to light. (The exposures for anthotype are long… 5 or 6 hours in this case.)
Turmeric anthotypes are easy to do. Give them a try.
Google “turmeric anthotype” for more information.
The one “wrinkle” that I do differently than you will find on the web is that I use a solution of washing soda (sodium carbonate) as the “developer” in place of the commonly used borax. I like the color that results from the carbonate better than that seen with borax.
You can also find more information and many more examples in the recent posts on my blog… http://www.gorga.org/blog
Really interesting. Great image regardless of the technique.
The technique reminds of of those light sensitive photo papers that we use to make leaf prints of as kids. I’m going to try this out.
The two techniques are exactly analogous.
The papers you remember were most likely based on cyanotype chemistry. These papers are still commercially available (see https://www.sunprints.org/) and are certainly the easiest ways to make photograms.
What’s especially interesting is the afterimages of the hexagons. As I move my gaze around the photo, the afterimages move around, too, making for a very dynamic image.
The “afterimages” you write of are simply the shadows cast by the hexagons (which are simply largish nuts from the hardware store) as the sun moved in the sky during the roughly six hour exposure.
Very cool image. I headed over to your blog to take a peek at the others and I love the symmetry of those images. Thank you for providing another educational moment to this group.
I’m off to your blog, too. I miss developing my own photos and this looks quite interesting. Thanks for sharing.
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