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Thread: Tamron TV lens 16mm f1.8

  1. #1
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    Tamron TV lens 16mm f1.8

    Hi,
    I received my c-mount adapters today. Two versions - one flat version and another with a lip. Both does not allow the Tamron TV lens to focus to infinity with my Panny G1 to my disappointment. Also the sensor coverage is not great - but I had expected this anyway. I noticed there is lip (inner circle) on the lens mount (it is not flat). I wonder if it was filed away will it bring the lens closer to inifity focus? I don't really want to destroy the lens.

    Lens is very well constructed, with smooth focusing helicoid. I don't know which version it is, but according to Tamron website:
    http://www.tamron-usa.com/about/history.asp

    It is suppose to be the 16mm F/1.8 for 1 Vidicon are the first CCTV lenses made by Tamron. If I am correct.

    Any thoughts or info on this lens?

    Thx

  2. #2
    Member sangio's Avatar
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    Re: Tamron TV lens 16mm f1.8

    Quite a few (most?) c-mount lenses will not focus to infinity unless modified.
    Here's a link to an earlier thread in this forum on this topic.
    http://forum.getdpi.com/forum/showth...light=cosmicar

    And here's a blog entry that shows this modification in more detail...
    http://cjeastwd.blogspot.com/2009/06...fit-mount.html

    regards
    Santo

  3. #3
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    Re: Tamron TV lens 16mm f1.8

    Thanks Santo!

    Here's a photo of the lens:


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