Aerial fireworks displays - Keep camera shutter open on BULB for several bursts. These suggested exposures apply to daylight and tungsten color films. When you take color pictures under tungsten illumination, they look more natural when you use tungsten film.
Daylight film produces pictures more orange, or warmth, in color.
To use the EI 1600 film speed, merely decrease suggested exposure in this column by one stop , at EI 3200 decrease exposure by two stops .