Optical Glass,Extra Long Outer Screw Thread Design.Ultra light and high hardness Aluminum Rings, Seamless pressure to spin into the structure.
Reduce the non-metallic surfaces reflect light to improve picture quality. Can shot directly through the windows, and to reduce the reflective surface of the water also makes the trees and grass more good-looking. Can change the color of the sky darker in color shooting without affecting the color balance. Can be rotated to different angles to obtain different degrees of the polarizing effect.
EffectCamera: Nikon D90 Lens: Nikon 24-70mm 1: 2.8G ED