- Fits Sigma 12-24mmf/4.5-5.6 lens. Innovative compression ring for quick, secure mounting.
- Can be used with a circular polarizer and two 170mm drop-in filters – or three 170 drop-in filters.
- Precision machined from aluminum alloy with scratch-resistant rubber-coatings. Foam light baffles prevent stray light from entering open areas between filters.
- Patented design enables easy rotation of polarizer without loosening or removing other filters or components. Scales provided for precise filter rotation and positioning.