Equipped with newest Polaroid, edge of lens is all painted with Japanese polishing paint for anti-reflection, weakens greatly impact of spots and ill-defined rays on imaging
Can eliminate completely useless light reflection from non-metallic surfaces
Lens assures CPL filters smooth surface
Frame is made of ultra thin aluminum (thickness 7.05mm), additionally, superfine dull polishing and elaborate knurling make sure that frame will not blanch because of repeated rotation
Helps avoid vignetting on super wide angle lenses
All materials used in filter meets with requirements of European Union’s standards of environment protection
Non hazardous
Screw thread in front of frame makes easy to fix lens cap and other accessories