Canon EF 11-24mm f/4L USM Lens Focus Gear - Compatible with RC1124 F Focus Gear for Smooth Manual Focus Control | Perfect for Videography, Filmmaking & DSLR Camera Accessories

Focus gears allow access to the mechanical zoom function of many lenses. Use of these gears may require specific port extensions and may not be available for all housings and lenses.

This focus gear is specific for the Canon EF 11-24mm f/4L USM lens.