Control Ring for Viltrox Mount Adaptor EF-R2

Gear to control of the Canon lens or the adaptor in use inside the housing. Built in light but resistant plastic material to protect the lens from damage and featuring dual o-ring seals to have a better grip. The gear's cogwheel is whole.

• Material: darlin;
• Dual O-Ring seals;
• No pulling strain on the lens gear;
• Whole cogwheel gear.