An essential accessory for sports and wildlife photographers. This specially designed WR Protection Filter and Front Cap can be used on the SIGMA 500mm F4 DG OS HSM | Sports to protect the front element of the lens from dirt and damage. Its special weather resistant coating repels water and provides resistance to fingerprints. The specially designed front cap can attach to the filter, providing extra protection when the lens is being transported or stored.

SKU: AC3900