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Thread: Baltic or Finnish Baltic Birch for lens boards?

  1. #1

    Join Date
    Sep 2007
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    Charlotte, NC
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    164

    Baltic or Finnish Baltic Birch for lens boards?

    I'm looking for some feedback on using, in particular, Woodcraft Birch plywoods, made into lens boards.

    My Speed Graphic Ani., needs new boards for typical Press lenses and, perhaps, a large heavy Ektar lens.

    The convenience of the thicknesses being ready to cut into two piece boards, I'd rather no use hardwoods, at this time.

    I'll use Titebond III, for it's waterproof properties.

    If you've an opinion on this wood or related topic, please, I'd be happy to read them.

    Cheers,

    Eli

  2. #2

    Join Date
    Dec 2005
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    Re: Baltic or Finnish Baltic Birch for lens boards?

    Hi Eli! I use Baltic birch from the local hobby shop and TightBond glue. As you suggest I build Anniversary Graphic boards out of two pieces; it’s easier to build the lips that way. And paint black with a decent flat black spray can.

  3. #3

    Join Date
    Jul 2006
    Location
    Collinsville, CT USA
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    2,165

    Re: Baltic or Finnish Baltic Birch for lens boards?

    FYI: For just making lensboards the following MicroLux® Mini Tilt Arbor Table Saw is obviously a total overkill

    https://www.micromark.com/mini-power...aws/table-saws

    But... if you are interested in fabricating some "one off" wooden (with plastic and soft metal parts) cameras, then it is worth considering acquiring. I have used it to construct many LF pinhole cameras and several panoramic 120 pinhole cameras. It's an absolute precision instrument.

  4. #4
    Drew Wiley
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    Sep 2008
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    SF Bay area, CA
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    Re: Baltic or Finnish Baltic Birch for lens boards?

    Go somewhere you can inspect the individual sheets you hope to work with. Art stores as well as woodworking hobby stores tend to sell this kind of product. There should be firm multiple laminations, despite not being thick. Art store Black Cat ink is better than spray paint, dries quicker; and you can always varnish over it if needed.

  5. #5

    Join Date
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    Re: Baltic or Finnish Baltic Birch for lens boards?

    Also hobby shops that cater to radio controlled airplanes.

  6. #6

    Join Date
    Dec 2014
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    Iowa City, Iowa
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    Re: Baltic or Finnish Baltic Birch for lens boards?

    Are the sheet metal boards still available??

  7. #7

    Join Date
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    Re: Baltic or Finnish Baltic Birch for lens boards?

    Quote Originally Posted by Duolab123 View Post
    Are the sheet metal boards still available??
    Yes, but those don’t fit the Anniversary Graphic that Eli is needing.

  8. #8

    Join Date
    Dec 2001
    Location
    San Joaquin Valley, California
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    Re: Baltic or Finnish Baltic Birch for lens boards?

    These guys stock the real deal:
    https://www.aircraftspruce.com/menus/wp/index.html
    Baltic Birch ply is void of voids
    "I would feel more optimistic about a bright future for man if he spent less time proving that he can outwit Nature and more time tasting her sweetness and respecting her seniority"---EB White

  9. #9

    Join Date
    May 2015
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    SooooCal/LA USA
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    Re: Baltic or Finnish Baltic Birch for lens boards?

    Basswood from hobby store (3/16" X4" wide) works great... When you cut the inner recess, cut so the grain crosses the outer piece for flat stiffness... Seal, hole, and paint...

    Steve K

  10. #10

    Join Date
    Dec 2014
    Location
    Iowa City, Iowa
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    Re: Baltic or Finnish Baltic Birch for lens boards?

    Quote Originally Posted by BrianShaw View Post
    Yes, but those don’t fit the Anniversary Graphic that Eli is needing.
    I've been playing with Speed and Crown 's for over 40 years. I did not know that the earlier models used 4x4" lens boards. Learned something!

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