Using tungsten film in daylight will produce a bluish cast in the photograph. The 85 series will produce natural colors when shooting with tungsten film outdoors. A #85 filter will decrease the color temperature from 5500K to 3400K and produce slightly cooler results than an 85B.
This filter combines an 85B conversion filter with a Neutral Density .9 (three stops) filter.
Lee resin filters are made from lightweight, optical resin and are 4 x 4" (100 x 100mm) x 2mm thick.
Filter factor 1.8 (+2/3 stop)
85 SERIES COLOR CONVERSION CHART
An 85 decreases the color temperature from 5500-3400 degrees Kelvin
An 85A decreases the color temperature from 5500-3100 degrees Kelvin
An 85B decreases the color temperature from 5500-3200 degrees Kelvin
An 85C decreases the color temperature from 5500-3800 degrees Kelvin