Haida Rear Clear Night Filter for Canon EF 11-24mm Sigma 12-24 14-24mm EF Mount
Haida Rear Clear-Night Filter. Sigma 12-24mm f4 DG HSM Art Lens Canon EF Mount (Need to cooperate with rear adapter ring). Sigma 14-24mm f2.8 DG HSM Art Lens Canon EF Mount (Need to cooperate with rear adapter ring).