DX code

Related to DX code: NPI

DX code

n
(Photography) photog a code on a film cassette that automatically adjusts the film-speed setting on a suitably equipped camera to the correct ISO rating
[C20: from d(aylight) (e)x(posure)]
References in periodicals archive ?
The unit also has a zoom lens, high-grade color scanner, automatic negative carrier, DX code reader and a frame number printing system.