- The HOYA DUTO filter produces a softening of the image while maintaining a sharp focus in the center of the image.
- Fine concentric lines are etched on the surface of the filter to produce this effect.
The Hoya DUTO filter has fine concentric lines etched in the surface of the glass. The center of the picture is usually sharp and nearly unaffected while the diffraction pattern of the DUTO increases softness towards the outer edges of the image.
Filter Factor: N/A Glass Type: Hoya Optical Number of Multi-Coatings: 0 Hardened Top Layer: No Anti-Static: No Frame Construction: Standard Profile / Aluminum Front Filter Threads: Yes