Meco Filters Are Manufactured Using Hard Surface Coating Technology. The Hard Surface Coating Technology Provides Three Times The Surface Hardness. The Light Transmission Rate Is Increased By 10%. The Result Is An Average Light Transmission Of Over 99% Providing Sharp Contrast And Well- Balanced Color. The Double-Sided, 14 Layer Professional Coating Technology Protects Your Valuable Lens From Dust, Moisture, Scratches And Breakage, Which Can Lead To Costly Repairs. The Meco Uv Filter Is Absolutely Colorless And Highly Transparent With Extremely Low Reflectivity. Reduces Haziness Or Fogginess Created By Ultraviolet Light. Lens Protector, Water Repellent, Scratch Resistance And Reflection Reduction. Features Compatible With: Nikon, Sony, Canon, Samsung,Minolta, Olympus, Pentax, Panasonic,Tamron,Sigma And Other Brand Cameras A Good Protector For Camera Lens The Uv Filters Are Suitable For Both Black And Color Films Under Bright Sunshine, Which Could Be Used To Limit Uv Light