The Formatt 138mm Haze 2B Schott-Desag B270 Crown Optical Glass Filter has a slight yellow tint to provide a warming effect. It provides stronger UV protection than either a Skylight 1A or a standard UV filter.

Formatt, a company with three generations of professional filter-making experience produces every filter to the highest technical standards. The finest materials, together with state of-the-art production technology have resulted in a standard of optical excellence unmatched anywhere else.