Zone plate photography uses a diffraction instead of a lens to focus light.
21
votes
2answers
2k views
What is a zone plate?
I was looking into alternative methods of photography and I happened upon something called a 'zone plate.'
Three questions:
What is a zone plate?
How does it work?
What can I do with it?
5
votes
1answer
269 views
What can go wrong with extreme long term exposure?
Ok, maybe I'm crazy, but I'm curious what will happen when I combine a ND400 filter (9 stops) with a zone plate or zone sieve "lens."
If I'm shooting a sunset, it I might get a 30 second exposure ...
4
votes
1answer
187 views
How can I shoot wide angle zone plate photography?
I like the look that is possible with zone plate photography. I've google around a bit and it seems that pinhole and zone plate photography on a DSLR, especially a crop body DSLR, results in medium ...
