Length 254mm (10″) of film, twenty-three frames with USAF 1951 target (see T-20) in the center and spaced apart every 6.47mm. Resolution at 1:1 from 4 to over 100 cycles per mm.
Ideal for splicing into reels of film for testing the quality of projection or microfilm systems.
Available in 16mm or 35mm format and imaged on Film.
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