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  1. #21

    Join Date
    Sep 2004
    Location
    New Jersey (again)
    Shooter
    35mm RF
    Posts
    1,975
    Some of my favorite cameras are front-cell focusing cameras, usually with the Tessar.

    Regarding the Isolette III, the Solinar is a sharper lens than the Apotar.

    But a Tessar can be really sharp and have excellent resolving power.

    Ikonta 520/2

    See the Zoomify examples at the bottom.

  2. #22

    Join Date
    Mar 2004
    Location
    Southern California
    Shooter
    Multi Format
    Posts
    3,879
    Images
    11
    The Tessar was designed by Zeiss physicist Paul Rudolph in 1902. A Tessar contains four elements in three groups, one positive crown glass element on the front, one negative flint glass element at the centre and a negative plano-concave flint glass element cemented with a positive convex crown glass element at the rear.

    Many different companies have sold lenses that were based on Paul Rudolf's Tessar design. The Agfa Solinar is Agfa's version of the Tessar. The Voigtlander Skopar is also a Tessar design.
    Tom Hoskinson
    ______________________________

    Everything is analog - even digital :D

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