Frank Wajer <[EMAIL PROTECTED]> wrote: >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.
The distance between the filter and the optical center of the lens (which is behind the front element) does the trick. If you use an extreme wide-angle lens at small aperture you get a pretty sharp clear -> coloured transition. Question: What filter type do you (plan to) use? -- http://members.chello.nl/~j.schoone \\|// Registered Linux user #78364 - The Linux Counter - http://counter.li.org Assume nothing, expect anything. - 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 .