The Hoya Cross Screen filter helps create more drama in your image by turning strong point-light sources into four-pointed stars. The Hoya Cross Screen filter is helpful when: The specular highlights in your image need more drama Cars, signs, and street lamps with strong specular highlights Filter Properties At A Glance Filter Factor: Zero Glass Type Hoya Clear Number of Multi-Coatings: 0 Hardened Top Layer: No Anti-Static: No Frame Construction: Standard Profile / Aluminum Front Filter Threads: Yes