Lensbaby The Control Freak for Olympus four thirds mount Digital SLR Cameras Flexible, selective focus lens moves by bending flexible lens tubing, has locking and fine focus capabilities. Features the Lensbaby Optic Swap System Magnetically suspended disk aperture system allows f/2.0, f/2.8, f/4, f/5.6, f/8.0, f/11, f/16, f/22 aperture settings. All aperture settings included. 37 mm threads allow you to attach Lensbaby Macro Kit lenses, wide angle and telephoto conversion lenses, and other filters and accessories Note: a Lensbaby does not communicate electronically with your camera body