Nauticam SE1635 F Focus Gear for Sony Vario Tessar T* FE 16-35mm F4 ZA OSS Lens - Underwater Photography Accessory for Diving & Marine Exploration

Product shows some signs of use.

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 Sony SEL1635Z Vario-Tessar T* FE 16-35mm F4 ZA OSS lens.