Filters create stunning effects in photography. Here are some superb uses of photo filters.
Digital Graduated ND Filter
© Lewis KemperCurtain of Life
© Mark R. Stanfordred_inten_2.tif
© Tony SweetGreenbriar_1.tif
© Tony Sweetdiffusor_Hyatt_2.tif
© Tony SweetOld Los Angeles 2 - with Polarizer!
© Kerry Drager