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Thread: Strange glass seperation / dirt inside lens element / Need help to identify

  1. #11

    Join Date
    Jan 2009
    Location
    Denmark
    Posts
    6,020

    Re: Strange glass seperation / dirt inside lens element / Need help to identify

    I was just guessing it was the same Kranz I bid on - there are very few this big around!

    Yes this is not a difficult service of the achromat - it will as good as new.The photos on the other threads show it has normal aged balsam and it will take about 3 weeks to dissolved the old balsam. Most 19th Century Petzvals have been rebalsamed at least once.

  2. #12

    Join Date
    Mar 2019
    Posts
    60

    Re: Strange glass seperation / dirt inside lens element / Need help to identify

    Quote Originally Posted by Steven Tribe View Post
    I was just guessing it was the same Kranz I bid on - there are very few this big around!

    I donīt find any other Kranz lenses, where do you look to find other ones?

    Yes this is not a difficult service of the achromat - it will as good as new.The photos on the other threads show it has normal aged balsam and it will take about 3 weeks to dissolved the old balsam. Most 19th Century Petzvals have been rebalsamed at least once.
    What do you mean by "it will take about 3 weeks to dissolved the old balsam" ?

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