--- Gordon J. Holtslander hol...@duke.usask.ca wrote:
I'm going to try making some zoneplates. I've read about that
zoneplates
require focussing. None of my cameras pinhole cameras can focus. Is
zoneplate focusing necessary in all cases? Is focusing needed only for
subjects that are
--- Gordon J. Holtslander hol...@duke.usask.ca wrote:
I'm going to try making some zoneplates. I've read about that zoneplates
require focussing. None of my cameras pinhole cameras can focus. Is
zoneplate focusing necessary in all cases? Is focusing needed only for
subjects that are close
I'm going to try making some zoneplates. I've read about that zoneplates
require focussing. None of my cameras pinhole cameras can focus. Is
zoneplate focusing necessary in all cases? Is focusing needed only for
subjects that are close to the camera?
Does it matter whether a positive or