DX Encoding
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DX Encoding on a FujiColor Cartridge
DX Encoding (Digital indeX), or DX Coding is a marking standard for 35mm and APS film cartridges for cameras to electronically determine the speed, number of frames and exposure tolerance of the loaded film through Camera Auto Sensing (CAS).
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History
DX Encoding on 35mm film was introduced in the 1980's, APS adopted the technology when released in 1996.
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Sources and external links
Shows how to read the codes manually
Categories: Stub | 35mm film | APS | Film formats
