PolarPro has introduced a new creative lens filter that intentionally leaves half the glass uncovered, and that unusual design is exactly what gives the filter its cinematic effect. The new PolarPro Split 50 is a split diopter filter designed to place two subjects at different distances into focus within the same frame, creating a distinctive look long associated with classic Hollywood filmmaking. A Classic Cinema Effect Comes to Modern Creators At first glance, the PolarPro Split 50 almost looks incomplete. One side of the circular filter contains optical glass while the other half remains clear, creating a sharp divide across the image. But that asymmetrical design is what allows the filter to generate two separate focal planes simultaneously. Split diopters have been used in filmmaking for decades to create shots where foreground and background subjects remain sharp at the same time, even when shot at wide apertures.…