January 2018
Intermediate to advanced
480 pages
12h 59m
German
Content preview from Die Neue Fotoschule
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3.6WIE AUTOFOKUS-SYSTEME ARBEITEN
Abb. 19 | Der Phasen-Autofokus in den klassischen DSLRs verwendet zwei Randstrahlen, teilt diese auf zwei Linsen auf und vergleicht dann auf einer optischen Sensorzeile im Boden der Kamera den Abstand der Signale.
Beim Umgang mit lichtstarken Objektiven und geringer Schärfentiefe ist der perfekte Fokus auf dem Motiv besonders wichtig. Zwar unterstützen die modernen Kameras uns Fotografen mit leistungsfähigen Autofokus-Systemen, aber ohne das Verständnis der Technik und ohne ein bisschen Übung kommt man dennoch nicht aus.
Phasen- und kontrastbasierter Autofokus
SLRs mit Phasen-Autofokus-System funktionieren ähnlich ...
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