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Thread: Light leak from the back, what material?

  1. #1
    I break parts.
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    Oct 2013
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    Light leak from the back, what material?

    I put a small compact in various parts inside my 5x7 to check for light leaks and I believe one to be coming from the rear as I can faintly see the back of the lens at 15" f2.8 ISO 400.....what material is this and where do I get it?

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    Eastman-Kodak 5x7 kit / Meyer-Gorlitz 13.5cm / 4.5

    Money can't buy happiness but it can buy a Super Angulon or a Zeiss Sonnar and that's pretty much the same thing.

  2. #2

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    Re: Light leak from the back, what material?

    I would use black felt on this.

  3. #3

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    Atlanta, Georgia USA
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    Re: Light leak from the back, what material?

    Quote Originally Posted by Jim Noel View Post
    I would use black felt on this.
    Felt can be a dust trap. Instead, try black flock paper. I get mine in the USA at Hobby Lobby stores.

  4. #4
    I break parts.
    Join Date
    Oct 2013
    Location
    FL
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    Re: Light leak from the back, what material?

    How about black gauze?
    Eastman-Kodak 5x7 kit / Meyer-Gorlitz 13.5cm / 4.5

    Money can't buy happiness but it can buy a Super Angulon or a Zeiss Sonnar and that's pretty much the same thing.

  5. #5
    Tin Can's Avatar
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    Dec 2011
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    22,556

    Re: Light leak from the back, what material?

    I keep a roll of this around, comes in handy, being polyester it seems to make little dust.

    http://www.amazon.com/JVCC-FELT-06-P.../dp/B000QC6HVS

  6. #6

    Join Date
    Nov 2007
    Posts
    1,136

    Re: Light leak from the back, what material?

    Are you referring to the gnarly looking fabric that's on the back ?

    Looks like tight weave burlap to me, and none of my 2D's have that,
    they're the wood that's painted black with either lacquer or shellac that's been tinted
    pitch black. I've never found an answer to what the black interior parts are painted with
    it could even be india ink since it does come off with alcohol.

    Since the fabric is so gnarly, and not black, remove it, you may see that the light leak is gone .

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