The Pinhole/Zone Plate optic lets you create pinhole or zone plate photos. In either mode you capture softer focus, dreamy images that are equally sharp from edge to edge. You choose how far to go into dreamland. Part of the Lensbaby Optic Swap System.Use the Optic Swap Tool to pop out your optic and drop the Pinhole / Zone plate into your Lensbaby lens. With the Pinhole / Zone plate, you can switch between Pinhole and Zone plate mode by sliding a toggle at the bottom of the optic.Compatible with the Composer, Muse, and Control Freak.