Definitions for "Tungsten Film"
Colour film balanced for non-daylight sources (usually studio-type tungsten lamps) of 3200 or 3400K. (see Colour balance)
Color film that has been balanced to produce colors that look natural when exposed in tungsten light, specifically light of 3200 K color temperature. Type A tungsten film has a slightly different balance for use with photoflood bulbs of 3400 K color temperature.
Often called Type B. Film that is balanced to record colour correctly under tungsten lighting.