Advanced Distance Integration

As Advanced Distance Integration ( ADI ) or ADI flash control in is photo technology expanding the flash control of Minolta, Konica Minolta - and Sony Alpha -Wechselobjektivkameras referred that takes into account the distance between the subject and the flash unit. Similar solutions are also available with Canon's E-TTL-2 flash control and Nikon's so-called 3D measurement.

functionality

With the ADI flash control, the distance information, which is obtained via a distance encoder in the lens or the autofocus motor in the camera, is evaluated and combined with the results of the TTL flash measurement. Using the guide number calculation, unwanted influences from the environment such as colored or highly reflective motifs can be reduced or completely eliminated.

One of the practical advantages of ADI flash control is that it enables high-precision fill -in flash without manual calculations.

See also

• Flash photography
• Hot shoe and center contact
• Flash synchronization
• High-speed synchronization (HSS)
• TTL exposure metering

Web links

• Dynax System Accessories (English)
• Comparative compatibility table ( Memento of August 5, 2002 in the Internet Archive ) (English)
• Flash FAQ by Toomas Tamm (English)