Zeiss Vario-Sonnar
From Infogalactic: the planetary knowledge core
The Vario-Sonnar is a Carl Zeiss photographic lens design named in relation to the Zeiss Sonnar. This lens type has an infinitely variable focal length which can replace a whole series of lenses for a certain picture format.
See also
External links
<templatestyles src="Asbox/styles.css"></templatestyles>