Introducing the world's first HPS lens filter. Get amazing "Perfect Color" photos and video inside your grow! Precision German glass filter lens with our patent pending Rendition Perfect Color HPS technology, housed in anodized aluminum and compatible with any camera fitted with a Cokin "P" filter holder (not included). With our photo filter, photographers and videographers can shoot in the harsh yellow light spectrum found under HPS lights, capture perfect white-balanced imagery and stunning results.