Rapid Rectilinear

Rapid Rectilinear

Infobox lens design
scheme = Rapid rectilinear.svg
elements = 4
groups = 2
author = John Henry Dallmeyer
year = 1866
aperture = f/|6 (original) f/|3.5 (portrait Aplanat)
The Rapid Rectilinear also named Aplanat is a famous photographic lens design.

The Rapid Rectilinear is a lens that is symmetrical about its aperture stop with four elements in two groups. It was introduced by John Henry Dallmeyer in 1866. The symmetry of the design greatly reduces radial distortion.

ee also

*Rectilinear lens

References

* cite book
first = Rudolph
last = Kingslake
title = A History of the Photographic Lens
publisher = Academic Press
year = 1989
isbn = 0-12-408640-3
pages = p. 59–62

External links

* [http://www.engr.udayton.edu/faculty/jloomis/eop601/notes/history/rapid/rapid.html Rapid Rectilinear article]


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