The Benro Master Mounting Ring for allows you to easily modify the Benro Master 150mm Filter Holder to fit the Sigma 12-24mmf/4.5-5.6 lens. Attaches quickly and securely with an innovative compression ring. Precision-machined aluminum
The Benro Master Mounting Ring for allows you to easily modify the Benro Master 150mm Filter Holder to fit the Sigma 12-24mmf/4.5-5.6 lens. Attaches quickly and securely with an innovative compression ring. Precision-machined aluminum