Formatt Hitech 43mm Orange 23A Filter

Helping to increase contrast when working in black and white, this 43mm Orange 23A Filter from Formatt-Hitech is used to noticeably darken cool and blue tones in order to emphasized both shadows and clouds. Offering greater tonal separation than regular yellow and orange contrast filters, the light-red/orange 23A is especially well-suited to producing dramatic outdoor and landscape imagery. There is an approximate 4x filter factor with this filter, requiring an increase of 2 stops for normal exposure.