Rapid Rectilinear
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The Rapid Rectilinear also named Aplanat is a famous photographic lens design.
The Rapid Rectilinear is a symetrical four elements in two groups lens introduced by John Henry Dallmeyer in 1866.
[edit] External links
[edit] Reference
Rudolph Kingslake, A History of the Photographic Lens, Academic Press, 1989. ISBN 0-12-408640-3. p. 59-62.