Introduction:
The Ultraviolet （UV） protector is an ultra clear optical glass that provide protection and at the same time,will not affect the color balance or performance of your lenses.

Features:
Low profile filter ring ensures no vignette
Thinner high index glass for maximum lens protection
Glass rims are blacken to prevent internal reflection
20% lighter in weight as compared to conventional UV filter
Inner threads for mounting lens cap or additional filter

Specifications:
Optics: High quality optical glass
Housing: Low profile aluminum ring
Mounting Diameter: 37mm
Filter Threads: Yes
Size: 9*7*1.5cm