At 06:47 PM 2/17/98 +0000, you wrote: >The graduated neutral density filters work great IF (and that is a big >"IF") there is no subject matter extending up into the sky area that will >be darkened by the use of these filters in the upper part of the photo. >I use these filters all of the time to darken the overcast sky and have >had great success with them, but it all depends on your composition and >where your subject matter extends into the sky area that has been >darkened by these filters. With, say, a diesel nose extending into the >sky, I will form an inverted "V" by placing two filters at angles to each >other in order to darken the sky at either side of the diesel, but not >darken the diesel itself. > >It is easier to blend the tones from these filters with the actual light >by shooting at wider apertures and with normal to longer lenses in order >to reduce apparent depth of field and keep the filters more out of focus. > If you shoot a wide angle lens stopped down with the graduated n.d. >filter, the graduated area becomes more harsh with the greater d.o.f., >and a more drastic line will appear in your photos. > >John B. Corns > > Now this is the kind of information I have been trying to stimulate. I also have used graduated neutral density filters for years, but have never thought of or considered putting two together to frame the nose of a locomotive of other unusual shape.
Does the overlapping area of the two filters then become a shape in its own right that must be dealt with? Charlie Charlie Dischinger -> SPORRS: Serious Photographers of Railroad Related Subjects -> Web Site: http://www.anet-stl.com/acphotog/sporrs -> Message © SPORRS® 1998 - All Rights Reserved
