[LargeFormat] Zone Plates

[Pam Niedermayer]

Chris Patton's site on the zone plate is at:

http://members.home.net/hmpi/Pinhole/Articles/ZonePlate/Zone_Plate.htm

Richard Koolish also has a lot of information, a printable 31 ring zp
file, pdf and postscript, and links:

http://linux.bbn.com/~koolish/

Scroll down past the middle of the page.

Pam

Les Newcomer wrote:
> 
> Pinhole resource sells them for about $20 each. For that you will
> recieve a 35mm frame of Tech Pan film with a zone plate in the middle
> and a piece of brass shim stock.
> 
> Tape the film to the brass,tape the brass to an empty lensboard. done.
> The instructions that come with the plate from Pinhole Resource gives
> guidelines for subject/lightling, exposure & dev.
> 
> I couldn't find the sight that showed how to print out their target and
> photograph it yourself, it's out  there somewhere.
> 
> Les
>...
-- 
Pamela G. Niedermayer
Pinehill Softworks Inc.
600 W. 28th St., Suite 103
Austin, TX 78705
512-236-1677
http://www.pinehill.com