on 3/3/04 1:02 pm, Janus van Helfteren wrote: > could someone explain why dirt on a ccd looks sharper > with the lens shut down than wide open ?
Depth of focus. Put v simply, same as depth of field but relates to the light/image path behind the lens (ie., from lens to recording material) -- Nick Dunmur�Photographer =============================================================== GO TO http://www.prodig.org for ~ GUIDELINES ~ un/SUBSCRIBING ~ ITEMS for SALE
