Multi coated for maximum flare protection, this Hoya 62mm Yellow K2 Multi Coated Glass Filter is useful for clear contrast between blue sky with clouds and foreground. The Yellow K2 provides a natural tonal rendition and is often used for subjects at intermediate distances which is especially beneficial when it comes to sky, foliage and architecture photography. It's natural tone reproduction in landscapes, cityscapes and portraits make it very useful for all daylight exposures.