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This Benro Lens Adapter is designed to enable the use of a Benro FH150 Master 150mm Filter Holder on a Sigma 20mm f/1.4 DG HSM Art lens. It features an integrated compression ring with dual locking knobs and an aluminum-alloy construction for durability while remaining lightweight.
With its locking knobs in their open position and facing toward the Sigma 20mm f/1.4 DG HSM Art lens, installation of the lens adapter is easily accomplished by sliding it onto the lens's built-in hood. Four detents along the inner rim of the lens adapter ensure optimal positioning of the lens and that the lens hood does not conflict with any filters placed within a Benro FH150 Master 150mm Filter Holder. Both locking knobs can then be turned to their closed position as clearly labeled along the rear of the lens adapter for a secure fit.