The cokin z pro series z005 sepia filter tints photographs with an antique brownish hue giving the appearance of an overall nostalgic turn of the century look this gives the illusion of an image taken years ago in black and white that has in fact only been shot in this present time the cokin 045 is also a sepia filter however the effect is not as strong the z pro series is recommended for focal lengths of 20mm onwards in the 35mm format the material used to make this filt