The Zacuto Z-Finder for Canon C400 is a 2.5x magnification optical viewfinder that enhances your cameras LCD for precise focusing. Designed for the Canon C400, it features a diopter wheel (-2.5 to 0) for adjustment, an extender frame for farsighted users, and drop-in diopters for further correction. A locking cap allows secure use with the C400’s articulating monitor mount.