Superior Optical Technology
It employs a high transmittance optical glass, which can effectively block UV rays below 300mm. The edge of the lens has undergone matte processing in order to prevent harmful glare.
DMC Water & Oil Repellent Multi-coating
The DMC coating has a 8-layer Water & Oil Repellent, Scratch & Stain Resistant Coating on Each Side. The coating meets the standard requirements of the optical coating, which has been put through rigorous Salt Water Immersion Tests.
Super Slim Frame
The thickness of the frame is merely 3.5mm making it perfectly suitable for wide angle lenses, which can eliminates vignetting. The frame has been through the EU ROSH standard, and is in line with environmental requirements.