B+W KR 3 (81C) Slim - filter - warming - 58 mm

This filter is strongly recommended for daylight photographs, especially in spring and summer with cloudless skies and clear air. It helps eliminate the strong blue tone and haziness which is produced by this level of ultraviolet light. Furthermore, it will reduce the unwanted blue tone in shadow areas with an overcast sky. Filter factor is approx. 1.2.