The hama uv filter ar coated 720 mm absorbs the ultra violet uv rays which can often make outdoor photographs appear hazy and indistinct this filter will help eliminate the lack of sharpness caused by uv radiation and can be permanently left on the lens to protect it a uv haze filter can be a wise investment as they can help protect your lens from dust moisture and scratches which could lead to costly repairs ideal lens protection puts contrasts in the picture removes haze