ISOTTA Fokus Ring for Sigma 20 mm-F/1.4 (A) AF DG HSM
Ring to control the focus of the Sigma lens 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 ring's cogwheel is whole.
TECHNICAL DATA
- Material: darlin;
- Dual o-ring seals;
- No pulling strain on the lens ring;
- Whole cogwheel ring;
