is not dead; it is a legacy classic. It is the "Vi" editor of the lighting world—powerful, efficient, and intimidating to new users. By searching for "Dialux 43," you have signaled that you want precision over polish.
: Older Leitz Dialux models (such as the "Dialux II" or gray/black models) typically used a 43mm dovetail size for mounting heads (binocular, trinocular). dialux 43
Use (latest version: 13 or 14). It is still free, supports modern luminaires, BIM, and produces legally valid calculations for permits. DIAL GmbH provides free training videos and a community forum. is not dead; it is a legacy classic
If you actually meant (a newer version — but note: evo version numbers are different; the latest is evo 12+), please clarify. Otherwise, the above applies to classic DIALux 4.3. : Older Leitz Dialux models (such as the