On Wed, 3 Mar 2004 13:02:12 +0000 Janus van Helfteren wrote: >could someone explain why dirt on a ccd looks sharper >with the lens shut down than wide open
the cone of light that forms the shadow of the dirt is narrow stopped down so has sharp edges, wider open the shadow edges are softer. David Hoffman -- __________________________________________________________ David Hoffman Photo Library <http://www.hoffmanphotos.com> phone +44 (0)20 8981 5041 fax +44 (0)20 8980 2041 =============================================================== GO TO http://www.prodig.org for ~ GUIDELINES ~ un/SUBSCRIBING ~ ITEMS for SALE
