FocusShifter is a uniquely simple follow focus system. It securely attaches to any DSLR or mirrorless camera lens with no additional equipment required. Seamlessly shift between hard or soft stops using the included compact marker board. Perfect for indie filmmakers, run-and-gun videographers, photojournalists, students, or anyone wanting to upgrade their capabilities. FocusShifter is an affordable tool for enhancing your technical finesse behind the lens while adding new dimension to your creative work.