Hi, can anyone explain to me how a graduated filter works. I think that all light from all points in the scene go through the entire filter/lens so how can a graduated filter darken the sky relative to the (fore)ground.
Frank - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .
