 He designed Ekta Space PS5, J.Holmes (also known as Ekta Space or Joe RGB) to cover the whole gamut of Ektachrome films as a large-gamut alternative to Adobe RGB; it can be usedwith any E6 film.He has also invented and patented the small gamut way of monochrome image printing.It ensures no colors are "clipped", when converted from the input color space, and that the characteristics of film stocks keep their fidelity.