D-Type Lenses
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Designation used by Nikon Corporation to identify a Nikkor lens that supplies distance to subject information to a Nikon AF camera, most useful for ultra-precise TTL and Balanced TTL flash. AF lenses with a D chip. These Nikkor lenses were introduced in 1992. Among the first were the 35-70mm f/2.8D AF and 80-200mm f/2.8D ED AF. Nikkor G-Type lenses are D-Type lenses too.
