Arriflex 35BL I • released in 1972 • up to 100 fps • Arri bayonet lens mount • external blimps for certain lenses, like the Zeiss Super Speed Primes
Arriflex 35BL II • released in 1975, alongside the
Arriflex 16SR • only up to 50 fps, new motor with higher torque, overall more silent
Arriflex 35BL III '' • released in 1980 • uses the new acoustic isolated PL Mount, which made lens blimps obsolete • new 180° half moon shutter replaced the bowtie shutter, Shutter can be manually adjusted • similar eyepiece to the one used in the Arri 35 III is installed
Arriflex 35BL 4 • released in 1986 • new viewfinder system, brighter image in the eyepiece, Arriglow is introduced, which illuminates the frame lines, to make framing of dark scenes easier. • only up to 40 fps, but sound level reduction to 22 dBA.
Arriflex 35BL 4S • released in 1988 • new film movement block, even quieter operating noise • discontinued in 1990 with the release of the Arriflex 535 ==References==