View Poll Results: What lens cap sizes do you want?

Voters
11. You may not vote on this poll
  • 32mm

    1 9.09%
  • 35mm

    0 0%
  • 40.5mm

    0 0%
  • 42mm

    0 0%
  • 46mm

    1 9.09%
  • 48mm

    0 0%
  • 50mm

    0 0%
  • 52mm

    3 27.27%
  • 58mm

    3 27.27%
  • 62mm

    3 27.27%
  • 67mm

    5 45.45%
  • 70mm

    5 45.45%
  • 80mm

    3 27.27%
  • 95mm

    0 0%
  • 105mm

    1 9.09%
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Thread: Acetal Lens Caps

  1. #11

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    West Linn, south of Portland, Oregon
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    Re: Acetal Lens Caps

    I've standardized on 67mm and 82mm filters, with step up rings attached where needed. 52mm and 58mm are also of interest (native sizes).

  2. #12

    Join Date
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    Re: Acetal Lens Caps

    Quote Originally Posted by B.S.Kumar View Post
    ... If you do not see a specific size please reply either on the forum...
    Kumar... I would definitely be in for the following 'additional' Larger Sizes:

    93mm, 110mm, 112mm, 115mm & 122mm (*70mm and 80mm were already voted on... In the Poll).
    --
    I sincerely hope... That you are able to proceed with this very, worthwhile Project.
    BTW, those 3D 'Renderings' are looking really good!
    --
    Thank-you. Best Regards, -Tim.

  3. #13
    Kirk Gittings's Avatar
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    Mar 2004
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    Albuquerque, Nuevo Mexico
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    9,714

    Re: Acetal Lens Caps

    Every lens I have is either 77mm or adapted to 77mm.
    Thanks,
    Kirk

    at age 67
    "The woods are lovely, dark and deep,
    But I have promises to keep,
    And miles to go before I sleep,
    And miles to go before I sleep"

  4. #14
    Peter De Smidt's Avatar
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    Jan 2001
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    Fond du Lac, WI, USA
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    5,359

    Re: Acetal Lens Caps

    These are slip on caps, right? So the size should be a little bigger than the filter threads?
    "Why can't we all just get along?" President Dale, Mars Attacks

  5. #15
    Jac@stafford.net's Avatar
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    Dec 2012
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    Winona, Minnesota
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    4,079

    Acetal Lens Caps

    Quote Originally Posted by Peter De Smidt View Post
    These are slip on caps, right? So the size should be a little bigger than the filter threads?
    Yes, slip on. Break out the calipers. I have been surprised by a reasonable assumption.

  6. #16

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    Jul 2010
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    Ontario, Canada
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    657

    Re: Acetal Lens Caps

    Correct. I previously e-mailed Kumar and asked him this very same question.
    --
    His exact response was:

    "LF lens caps are generally slip-on types, so yes, we are speaking of the external diameter of the front of the lens."

  7. #17
    Vaughn's Avatar
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    Jan 2007
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    Humboldt County, CA
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    6,382

    Re: Acetal Lens Caps

    Whatever the diameter is of the rear of a Fuji W 300/5.6.
    "Landscapes exist in the material world yet soar in the realms of the spirit..." Tsung Ping, 5th Century China

  8. #18

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    Feb 2001
    Location
    Shodoshima, Japan
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    828

    Re: Acetal Lens Caps

    Thank you all for the encouragement.

    Tim, I have noted the sizes you want, and will get them made.

    Kirk, I have noted down the 77mm size. That is also the size needed for the Mamiya RB/RZ lenses, so ithis size ought to be a good seller.

    Peter, measure the front diameter of the barrels of your lenses and put down your requirements. For those not owning calipers, an easy and accurate way to measure is to lay the lens barrel face down on a sheet of graph paper. Align at least two graph lines with the barrel's circumference, and draw a circle with a fine pencil. Measure the diameter of the circle.

    Vaughn, Fujinon lens caps have the size embossed on the inner surface. If you don't have the measurements, I've sold this lens earlier, and I will ask the buyer to tell me the size.

    Kumar

  9. #19
    Vaughn's Avatar
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    Re: Acetal Lens Caps

    I'll measure it -- hard to believe I have been using it as my main lens for 20 years without a rear cap! It helps that I use a homemade case for it that provides extra protection for the rear element.
    "Landscapes exist in the material world yet soar in the realms of the spirit..." Tsung Ping, 5th Century China

  10. #20

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    Jul 2010
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    Ontario, Canada
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    Re: Acetal Lens Caps

    Quote Originally Posted by Vaughn View Post
    Whatever the diameter is of the rear of a Fuji W 300/5.6.
    Vaughn, I believe that you would be looking for a 70mm Rear Lens Cap.
    (*But, please 'double-check' this information with Kumar).

    Thank-you! -Tim.

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