Commercial Success of the Anastigmatic Lens

The Protar f.7.5 anastigmatic lens were commercially successful in 1889. Manufactured by Carl Zeiss Works located in Jena, Germany and designed by German physicist Paul Rudolph. The anastigmatic lens provides a clear image edge-to-edge, compared to earlier lens types that provided a sharper focus for light entering through the centre of the lens.

Date:
      1889
Name(s):
      Carl Zeiss Works
Occupation:
      Manufacturer
Location:
      Jena, Germany


Additional Information:

  • Pioneer folder – Camera-wiki.org – The free camera …
    Nov 8, 2017 – The lens is a Golder Anastigmat 7.5cm f/3.2, advertised as hard coated, … The camera was certainly not a commercial success, and it is rarely …
  • History of photographic lens design – Wikipedia
    Paul Rudolph’s Protar was the first successful anastigmat (highly corrected [for the era] for all aberrations, including properly for astigmatism) lens. It was scalable from f/4.5 portrait to f/18 super wide angle.
  • Anastigmat – Wikipedia
    An anastigmat or anastigmatic lens is a photographic lens completely corrected for spherical aberration, coma, and astigmatism. Early lenses often included the …
  • The unique history of the Otus lens family | ZEISS
    May 28, 2018 – Rudolph himself modified the Protar towards the famous Tessar lens in 1902. The Tessar, advertised as the “eagle-eye” of the camera, was an immediate commercial success due to its compact size and high performance at a high speed of about f/4, which was later improved to f/2.8.
  • Kodak Ektars – bnphoto.org
    Kodak Anastigmat lenses began appearing about 1915. … Some designs are inherently more successful than others. … were retired and the Eastman Ektars became the Commercial Ektar line of f /6.3 lenses in 8 1/2-inch, 10-inch, 12-inch and …

Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.