Multi-coating features: 

Anti-glare

Antifouling (repel oil, water, etc.)

Scratch

These coatings means: 

Easy to clean

Reduce reflection, helps to prevent flare and ghosting

Fantastic durability

The filter ring with anodized black matte, reflective coating greatly reduced

Ultra-thin filter frame with double-threaded, which means it is perfectly compatible with a wide-angle lens

Introduction:

Framework: Slim

Double thread: Yes

Multi-coated: Yes (3 paint)

Optical materials: high quality optical glass SCHOTT

Frame Material: Aluminum

Digital water proof and scratch resistant multi-coating offers both protection to the glass and helps to improve light transmission and image quality.

High quality aluminum filter ring helps to prevent jamming and provides additional strength.

Constructed from high quality glass for optical clarity.

The slim filters are specifically designed for use with wide angle lenses.

Portable plastic box with soft foam.