I thought zone plates couldn't be made for that short of a focal length. It's been a while since I've read up on those though.
Thanks for the info. Dwight ----- Original Message ----- From: Chris Peregoy <pere...@gl.umbc.edu> To: <pinhole-discussion@p at ???????> Sent: Sunday, August 27, 2000 11:10 AM Subject: Re: [pinhole-discussion] Zero 2000 Zone Plate? > I clipped this from the zero 2000 page at http://www.zeroimage.com/ > > > *Zero 2000 Zone Plate camera is now available: > Now you can order the Zero 2000 with Zone Plate instead of pinhole. The > zone plate is 9 zones and with focal length of 25mm. The "aperture" is > f-47.6. The price is as the Zero 2000 pinhole camera. > > > > -- > - > Chris Peregoy > > > > _______________________________________________ > Pinhole-Discussion mailing list > Pinhole-Discussion@p at ??????? > unsubscribe or change your account at > http://www.p at ???????/discussion/ >
