Focus gear specially designed to fit the Sony Zeiss 50mm f/1.4 ZA SSM (different from FE version of lens) lens. If you have the FE ZA (non SSM) lens, click here for the correct lens gear. Focus gear is compatible with any standard 0.8 Module follow focus unit. Gears are low profile and full width for a streamlined look that’s highly functional. Gears can also be customized to fit your needs. Each gear comes with a lifetime of support.