SA = SIGMA Bajonett
CA = Canon EF-Bajonett
MF = Manueller Fokus (Manual Focus)
AFS = Einzelautofokus (Autofocus Single)
AFC = Kontinuierlicher Autofokus (Autofocus Continuous)
AFA = Autofokus-Automatik (Autofocus Automatic)
DMF = Direkte manuelle Fokussierung (Direct Manual Focus)
