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Thread: Lens caps? Bought or made?

  1. #11
    Tin Can's Avatar
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    Re: Lens caps? Bought or made?

    True

    Quote Originally Posted by B.S.Kumar View Post
    Delrin / Acetal / POM will not outgas. I wanted to get them made, but no takers, sadly.
    https://www.largeformatphotography.i...etal-Lens-Caps

    Kumar

  2. #12

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    Re: Lens caps? Bought or made?

    I think the rubber cap I made conforms and fits a little too well. Sliding it on and off causes a little bit of suction and is causing the radial drive on the lens to move..... back to the drawing boards.

  3. #13
    multi format
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    Re: Lens caps? Bought or made?

    Quote Originally Posted by angusparker View Post
    +1
    +2 absolutely beautiful stuff made upstream in Wooon -SOCK-ette
    enjoy your coffee

  4. #14

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    Re: Lens caps? Bought or made?

    Quote Originally Posted by tmcsweeney View Post
    I think the rubber cap I made conforms and fits a little too well. Sliding it on and off causes a little bit of suction and is causing the radial drive on the lens to move..... back to the drawing boards.
    As `the whole thing is plastic/rubber, can you drill a small hole then fix a flap to the inside of the cap covering the hole in a springy manner. Pushing the cap on will keep it sealed, while pulling the cap off will allow the flexible flap to 'fart' some air in to the cap, therebye reducing the negative pressure.

  5. #15
    Jac@stafford.net's Avatar
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    Re: Lens caps? Bought or made?

    Google 'elastic bowl covers' or visit a big-box store or a local grocery and be happy.
    Why make simple so difficult?

  6. #16

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    Re: Lens caps? Bought or made?

    Quote Originally Posted by Jac@stafford.net View Post
    Google 'elastic bowl covers' or visit a big-box store or a local grocery and be happy.
    Why make simple so difficult?
    Because they might outgas and then it would be an expensive choice.

  7. #17

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    Re: Lens caps? Bought or made?

    Reach out to Anton Orlov. He has a fellow in the Ukraine who makes beautiful, custom caps for a reasonable price. I have them for the front and back of each of my best lenses.

    Cameron Cornell
    Washington State
    www.analogportraiture.com

  8. #18

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    Re: Lens caps? Bought or made?

    I actually wound up drilling a hole at a right angle in the round knob and then one down the center into the hand. It turns out that the 3D print utilizes a honeycomb paternities inside the larger portions top save weight and material. That is acting like a natural light baffle and I don't have any suction issues. Pretty cool. I definitely think the leather one I made for my voigtalnder looks better, but this 3D printed rubber lens cap works just as well without the headache of stretching leather, laminating cardboard, etc..

  9. #19
    Jac@stafford.net's Avatar
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    Re: Lens caps? Bought or made?

    Quote Originally Posted by Bob Salomon View Post
    Because they might outgas and then it would be an expensive choice.
    "Might"? Bullshit. Food-grade materials do not out-gas and if they did, then due diligence to occasionally swap out a 25-cent item is simple. Peddle panic elsewhere.

  10. #20

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    Re: Lens caps? Bought or made?

    Quote Originally Posted by Jac@stafford.net View Post
    "Might"? Bullshit. Food-grade materials do not out-gas and if they did, then due diligence to occasionally swap out a 25-cent item is simple. Peddle panic elsewhere.
    What are they made of?

    Why take the chance? Lens caps arenít all that expensive unless you have them custom made.

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