Kodak 4-X Reversal Film 7277 DS8 (4XR-580)
marketed since 1967 until 1980
double super 8 mm roll (1)
panchromatic back-and-white reversal film
film speed: 400 ASA (27 DIN), 5500º K
film width: 16 mm (2)
film length: 30.5 m (100 ft)
perforation: type S
base: cellulose acetate, safety film
laboratory process: black-and-white reversal process
weight: ?
spool dimensions: 92 mm (diameter)
made in Usa by Eastman Kodak
Iso 320/26º Tungsten, 3200º K, (no filter)
Iso 400/27º Daylight, 5500º K, (no filter)
Film marketed in 1967 and discontinued in 1990.
(1) It comes on 100-ft spool.
(2) This film is 16mm-wide and it has double perforation.