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Thread: Want to clean an Heliar

  1. #11

    Join Date
    Mar 2015
    Location
    Italy
    Posts
    44

    Re: Want to clean an Heliar

    @mdarnton: Thank you. I was not planning to disassemble the front assembly completely, as the fog is in the internal surfaces. However, the assembly is not designed in a way that invites opening: difficult to find a grip.

  2. #12

    Join Date
    Aug 2013
    Location
    Chicago
    Posts
    1,406

    Re: Want to clean an Heliar

    I must not be like mine or the one in the photo, then, because on ours there's quite a bit to hold onto, though it's not provided with tread. You might find wrapping a couple of rubber bands around the back gives you a better grip, if something is frozen?

  3. #13

    Join Date
    Mar 2015
    Location
    Italy
    Posts
    44

    Re: Want to clean an Heliar

    As we all know, a picture is worth a thousand words


    this is the front assembly from the rear

    Click image for larger version. 

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    This is the lens

    Attachment 150076
    Attached Thumbnails Attached Thumbnails heliar1.jpg  

  4. #14

    Join Date
    Nov 2006
    Posts
    211

    Re: Want to clean an Heliar

    The middle element Will screw off, the giveaway Is the knurling on the edges in your top foto. There are different techniques to grip the knurled edge and if its stuck. Some may wince, but i find slip-jaw pliers with rubber in the jaws work well to get a good grip, while the rubber prevents damaging the brass.

    Second the comment about avoiding too much solution. I use diluted windex in water, then water, but always spray fluid onto fresh lint free tissue before applying to the lens. Dont squirt fluid on the lens directly

  5. #15

    Join Date
    Mar 2015
    Location
    Italy
    Posts
    44

    Re: Want to clean an Heliar

    I will try. Thanks a lot.

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