PolarPro CineGold Filter Helix MagLock 1/2 Gold Mist Diffusion Lens FilterCineGold Filter Helix PM GLDMST 1 2 The CineGold Filter is your filter to the nostalgic warmth of film. Designed to emulate the creamy highlights, low contrast, and pastel toned palette of Kodak Portra 400, this diffusion filter adds a gentle golden glow to your images softening digital harshness while preserving natural skin tones. Fits Helix Base Plates Designed to MagLock directly onto any lens with a Helix Base Plate. Engineered to emulate Portra