KODAK High Speed Infrared Film (HSI) Has many applications in aerial, industrial, scientific, and documentary photography. Also for abstract tone reproduction in pictorial applications. Not intended for high degrees of enlargement.
Fine grain, moderately high contrast
Infrared-sensitive to approximately 900 nm; maximum sensitivity from 750 nm to 840 nm
Filter necessary for most applications. For general photography, use a KODAK WRATTEN Gelatin Filter No. 25; for infrared photography, use a WRATTEN Filter No. 87, 87C, or 89