Takes into account diffraction on an aperture for all colors in viewable range of wavelegths.

Contains predefined profiles for over four hundreds digital cameras and backs and over a thousand lenses manufactured by Canon, Epson, Fujifilm, Hartblei, Hasselblad, Kodak, Konika Minolta, Leaf, Leica, Mamiya, Minolta, Nikon, Olympus, Panasonic, Pentax, Phase One, Ricoh, Rokinon, Samsung, Samyang, Schneider, Sigma, Sinar, Sony, Tamron, Tokina, Voigtländer.