Revision as of 02:07, 3 December 2021 edit Bubba73 (talk \| contribs) Autopatrolled, Extended confirmed users, Pending changes reviewers, Rollbackers 94,431 edits m →History ← Previous edit		Revision as of 02:53, 3 December 2021 edit undo Bubba73 (talk \| contribs) Autopatrolled, Extended confirmed users, Pending changes reviewers, Rollbackers 94,431 edits →History Next edit →
Line 4: == History == [[File:Kodak 400 color film DX code.jpg\|right\|thumb\|Codes on Kodak ISO 400 color negative film]] In order to simplify the handling of 35 mm film in 135 format Kodak introduced the DX encoding method on 3 January 1983.<ref name="Kodak_1983_Press1"/><ref name="Kodak_1983_Press2"/> In contrast to former solutions like [[Fuji (company)\|Fuji]]'s [[film speed]] encoding method in 1977,<ref name="Fuji_Patent_4024557"/> which was already using electrical contacts for film speed detection on 135 format cartridges,<ref name="AP_1977_Fuji"/> Kodak's later DX code system immediately met success in the marketplace.

DX encoding: Difference between revisions