First published in 1985. Exactly 20 years have passed since the first edition of this text appeared, in 1965. During this period, the author has gathered feedback from professional film-making circles. This fourth revision introduces new information in nearly all chapters. 130 new illustrations have been added, many of them illustrating feature films which are currently in release. The bibliography has also been enlarged considerably. The contributions of the visual-effects cinematographer have always been valued highly within the theatrical motion-picture industry. Because of their work, film producers have been able to endow their pictures with considerable 'production value' which the budget could not otherwise sustain.