Yellow #12 is commonly used for a noticeable increase in contrast with black and white films.
Especially useful for clear contrast between blue sky with clouds and foreground
Recommended as a basic filter for use with Kodak Aero Ektachrome Infrared film.
Contrast control, enhanced skin tones, tonal corrections and more dramatic landscapes; "Minus blue" cuts haze in aerial work.
Suitable for landscapes and nature scenes; Reduces excess blue of full moon in astrophotography.
Filter factor: 2 (+1 stop)