Sigma Filter Holder with WR Protector LPT-11 Drop-In Filter

The Filter Holder with WR Protector LPT-11 Drop-In Filter from Sigma is compatible with Sigma's 500mm f/4 DG OS HSM Sports Lens. The Filter holder fits into the rear filter slot of the telephoto lens and locks into place. The included LPT-11 WR Protector filter prevents damage to the lens and has no effect on the image and has no filter factor factor to consider.