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Thread: Cheap press-on filter thread adapter

  1. #1
    C. D. Keth's Avatar
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    Apr 2006
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    Salt Lake City, UT
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    Cheap press-on filter thread adapter

    I recently bought a 19Ē artar and I canít find a step-up ring that fits it. Being a process lens maybe it doesnít exist. Anyway, thatís beside the point because I made a perfectly serviceable and cheap adapter.

    I got out the calipers and measured the OD of the front of the lens barrel at 62mm.

    Off to B&H.

    I bought a plastic press-for lens cap like this: https://www.bhphotovideo.com/c/produ...sh-On_Lens_Cap

    And a step up ring from the same diameter I measured to the diameter I want to adapt to, like this: https://www.bhphotovideo.com/c/produ...m_Step-Up_Ring

    Then itís just a matter of using an exacto knife to carefully cut the disc from the end of the lenscap. The male threads will then fit perfectly into the plastic band that will slip onto your lens.

    I used a bit of epoxy to mate the two parts together and for $12.15 I have a perfectly useable, not very elegant slip-on filter adapter. I blush to think what SK Grimes asks for one.


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    -Chris

  2. #2

    Re: Cheap press-on filter thread adapter

    Great idea for older lenses. Thank you! Not elegant, but workable and cost-effective. The only potential problem is that I've found it difficult on occasion to find snuggly fitting lens caps for some older lenses.

  3. #3
    C. D. Keth's Avatar
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    Re: Cheap press-on filter thread adapter

    Quote Originally Posted by Joseph Kashi View Post
    Great idea for older lenses. Thank you! Not elegant, but workable and cost-effective. The only potential problem is that I've found it difficult on occasion to find snuggly fitting lens caps for some older lenses.
    The plastic is pretty pliable. You could probably just drop 1mm size and get it. Or go up another mm size, to about 2mm larger than measured, and put a strip of fuzzy velcro around the band.


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    -Chris

  4. #4
    (Shrek)
    Join Date
    Mar 2011
    Location
    Montreal
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    1,708

    Re: Cheap press-on filter thread adapter

    I have used step-up rings also, but I glue them onto LUC shutters.

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