Haida 150x170mm PROII Reverse Graduated Neutral Density Multi-Coated MC ND Rectangular GND 0.9 8X Filter Haida 150mm x 170mm rectangular reverse neutral density filter Reduces exposures in selective areas Constructed of scratch resistant multi-coated optical glass, reduces glare Provides different stop reduction in light entering the lens, no color shift. Compatible with Haida 100 square filter holder and Lee Filter's SW150 Filter Holder, Includes protective pouch