Rapid Rectilinear
Encyclopedia
The Rapid Rectilinear also named Aplanat is a famous photographic lens
Photographic lens
A camera lens is an optical lens or assembly of lenses used in conjunction with a camera body and mechanism to make images of objects either on photographic film or on other media capable of storing an image chemically or electronically.While in principle a simple convex lens will suffice, in...

 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
John Henry Dallmeyer
John Henry Dallmeyer , Anglo-German optician, was born at Loxten, Westphalia, the son of a landowner.On leaving school at the age of sixteen he was apprenticed to an Osnabrück optician, and in 1851 he came to London, where he obtained work with an optician, W Hewitt, who shortly afterwards, with...

 in 1866. The symmetry of the design greatly reduces radial distortion.

External links

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK