Sigma Drop-In WR CPL Filter for 300-600mm f/4 DG OS L-Mount

Sigma Drop-In CPL Filter

Designed for the Sigma 300-600mm f/4 DG OS Sports Lens, this drop-in circular polarising filter helps reduce reflections and glare from surfaces such as water and glass. A rotating adjustment knob provides precise control while enhancing contrast for clearer, more vivid images.