It says extreme depth of field... and I would think that f/256 with a 2" focal length would be pretty extreme depth of field. I remember seeing this camera once before... maybe somebody posted it to the list? I'm curious if anybody has one. It seems like a lot of money for something that can be home-made pretty easily.
John ----- Original Message ----- From: "Richard M. Koolish" <kool...@bbn.com> To: <pinhole-discussion@p at ???????> Sent: Sunday, March 11, 2001 4:58 PM Subject: Re: [pinhole-discussion] New Camera Design > > I ran into this the other day, and thought list members might find it > > interesting. > > > > <A HREF="http://www.qualitycamera.com/zone%20plate%20.htm";>Untitled Document > > </A> > > Kurt Norlin > > > Their introduction says a zone plate has infinite depth of field. > That's wrong. Unlike a pinhole, a zone plate does focus light > and has the same depth of field as a lens of similar focal length > and f number. > > _______________________________________________ > Pinhole-Discussion mailing list > Pinhole-Discussion@p at ??????? > unsubscribe or change your account at > http://www.p at ???????/discussion/ >
