The intrinsic beauty and creative potential of this Black & White process is endless. A large variety of papers and chemicals can be used to produce these provocative prints. To achieve a lith print, a suitable B&W photographic paper is overexposed and partially developed in highly diluted developer, by utilising this particular mode of action known as infectious development, a print with black shadows, coloured mid-tones and delicate highlights is typically the result.

Dennis uses a wide variety of papers and chemicals, including the much revered and discontinued Sterling Lith Paper, of which he still have enough stock to print a number of exhibitions. Some of his clients include John Ferraz, Ken Gerhardt, Nadav Kander, Mark Lanning, Marguerite Rossouw, Barney Edwards, Kevin Lucas, and Libbie Edwards.