The Lens Gear SEL1018 enables using the zoom ring of the Sony SEL1018 lens when used inside housings featuring the Fantasea FML port system. 
Note: The focus ring of the SEL1018 lens cannot be accessed using this gear.

Specifications
Material: PLA 
Dimensions (diameter x height): 83 x 37 mm / 3.27 x 1.46 inch
Weight: 30 g / 1.05 oz 
Manufacturer’s warranty