35mm movie lens equivalent, or 35mm still camera lens equivalent?
For 35mm still camera equiv's, multiply the DVX focal length by 7.2 (so the wide-angle 4.5mm becomes about 32.5, and the telephoto 45mm becomes about 325mm).
For 35mm movie camera equivalents, multiply the DVX focal length by 4.2, so wide-angle equiv is 18.9mm.