Sea & Sea SS-31132 Focus Gear for Canon EF 100mm F2.8 USM Macro
DISCONTINUED
![Sea & Sea SS-31132 Focus Gear for Canon EF 100mm F2.8 USM Macro](https://d17bck4wpaw2mg.cloudfront.net/att/a/2/i/3/a2i3i5/so62.jpg)
This Sea & Sea Focus Gear is used to manually focus the Canon EF 100mm f/2.8 USM macro lens when used in a Sea & Sea housing.