Photographic lens design
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The design of photographic lenses for use in still or cine cameras is intended to produce a lens that yields the most acceptable rendition of the subject being photographed within a range of constrain
Elements of an inexpensive 28mm lens
Photographic lens cut for demonstration
Diagram of Petzval's 1841 portrait lens - crown glass shaded pink, flint glass shaded blue
Tessar
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The Tessar is a photographic lens design conceived by the German physicist Dr. Paul Rudolph in 1902 while he worked at the Zeiss optical company and patented by Zeiss in Germany; the lens type is usua
Photographic lens design
…may be constructed from as few as four separate lens elements, often as pairs on either side of the aperture diaphragm. Good examples include the Zeiss Tessar or the Leitz Elmar. To be useful in photography any lens must be able to fit the camera for which it is intended and this will physically limit the…
Nokia N900 with Tessar 2.8/5.2
2 historical lenses Carl Zeiss, Jena, Nr. 145077 and Nr. 145078, Tessar 1:4,5 F=5,5cm DRP 142294 (produced before 1910)
Carl Zeiss Tessar 50/2.8 lens on Zeiss Ikon Contessa camera.
Tessar 40/3.5 lens made by Rollei.