Save time when focus-mapping your lens with the metric-only cmotion Pre-Marked Focus Ring cPRO Hand Unit from ARRI. The ring is pre-labeled with multiple metric marks ranging from a close focus of 1.0m to infinity.
Use this ring with the cPRO hand unit and the cPRO motor or cPRO camin. A non-permanent marker may be used to apply additional, temporary focus marks.