■”Floating frame system" that uses a special elastic buffer to reduce the load on the filter glass to as close to zero as possible and bring out the full descriptive power of the lens
■ZR Coating that achieves ultra-low reflection of less than 0.3%.
■Water and oil repellent coatings for superior durability
■V-type anti-reflection edge
■High transmittance optical glass used
■Glass perimeter ink coating process
■Lubrication process for smooth attachment and removal
■Knurling for easy attachment and removal
■Thin frame design prevents vignetting when an ultra-wide angle lens is attached.
■UV absorbing filter case