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Thread: 14x17 build, with filmholders and tripod

  1. #1

    Join Date
    Jan 2011
    Posts
    75

    14x17 build, with filmholders and tripod

    Hello,

    I wanted to share my latest build, which is a foldable 14x17 camera, with a 11x14 reducing back.
    Along with it, I also made 4 filmholders per format, and a tripod.

    All wood is walnut and the shiny bits are aluminium. The bellows are made out of the Thorlabs BK5 fabric with paper stiffeners, phosphor bronze for the leaf springs and light trap in the filmholders, and there is a carbon fiber rod in the bellows support.
    Linear bearings and a lead screw move the front standard for fine focusing and semi-hidden linear bearings allow rough focusing with the rear standard.
    Plenty of neodymium magnets hold various (re)movable parts in place.
    The dark slides and septums are Garolite.

    Total bellows draw is ~42" and it can focus a 355mm lens down to infinity without the bed appearing in the picture.

    The camera weights about 19 lbs. and the tripod 10 lbs. Both seem sturdy. At this size, it's amazing to see the laws of mechanical leverage in action ;-)
    The film holders weight 3 lbs 6 oz and 2 lbs 7 oz respectively.


    It took me way too many hours to build it, many things didn't work out as planned (especially the folding mechanism and the sagging bellows) but all in all, I'm happy with it.

    I still have to make bags for all of it and of course, take a picture with it.


    Let me know what you think.


    Thanks

    JP

    (pardon the too many pictures in too many replies)








  2. #2

    Join Date
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    Re: 14x17 build, with filmholders and tripod








  3. #3

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    Re: 14x17 build, with filmholders and tripod








  4. #4

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    Re: 14x17 build, with filmholders and tripod








  5. #5

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    Re: 14x17 build, with filmholders and tripod








  6. #6

    Join Date
    Feb 2007
    Location
    Grand Junction,CO
    Posts
    913

    Re: 14x17 build, with filmholders and tripod

    I'm very impressed, it looks fantastic!

  7. #7
    bob carnie's Avatar
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    Jan 2004
    Location
    Toronto, Ontario,
    Posts
    3,944

    Re: 14x17 build, with filmholders and tripod

    Absolutely Stunning- I wish that I had your talent in making things , now you need to make pictures with the camera.

  8. #8

    Join Date
    Jan 2009
    Location
    Denmark
    Posts
    5,225

    Re: 14x17 build, with filmholders and tripod

    A little bit too much detailing for my taste, but the workmanship is impressive.

    What would be more fun in this section is information/photos about the production of metal parts, woodwork and fasteners.
    What kind of walnut?

  9. #9

    Join Date
    Dec 2010
    Location
    Santa Barbara
    Posts
    1,220

    Re: 14x17 build, with filmholders and tripod

    *jaw on ground*

  10. #10
    joseph
    Join Date
    Jan 2007
    Location
    New York
    Posts
    1,400

    Re: 14x17 build, with filmholders and tripod

    Beautifully done...

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