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Zone plate photography uses a diffraction instead of a lens to focus light.

learn more… | top users | synonyms

22
votes
2answers
4k 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?
6
votes
1answer
329 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 ...
5
votes
1answer
319 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
2answers
352 views

How do I calculate equivalent focal length from field of view?

I'm working with zone sieve and zone plate photography. Zone sieve/plate is similar to pinhole photography but it can give a softer, dreamier, look. This is a zone sieve photo I've taken: Zone ...