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Thread: prevention of film holder light leaks

  1. #21
    Kirk Gittings's Avatar
    Join Date
    Mar 2004
    Location
    Albuquerque, Nuevo Mexico
    Posts
    9,714

    Re: prevention of film holder light leaks

    I don't think this is very complicated really. I only buy used holders and only use the ones that do not leak in direct sunlight. They are easy enough to test. I have about 40 good holders (4x5). Some I have been using for decades. The only ones I have had to retire were ones I did dumb shit with like dropping one from the roof of a 15 story building or dropping one in a stream (the film stuck so bad in the rails that I could never get the rails clean enough again).
    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"

  2. #22
    Jeff D. Welker
    Join Date
    Sep 2006
    Location
    Mesa, Arizona
    Posts
    202

    Re: prevention of film holder light leaks

    Quote Originally Posted by Kirk Gittings View Post
    I don't think this is very complicated really. I only buy used holders and only use the ones that do not leak in direct sunlight. They are easy enough to test. I have about 40 good holders (4x5). Some I have been using for decades. The only ones I have had to retire were ones I did dumb shit with like dropping one from the roof of a 15 story building or dropping one in a stream (the film stuck so bad in the rails that I could never get the rails clean enough again).
    Kirk:

    I recently inherited two dozen 4x5 film holders when my father passed away in August. As a general rule, he took very good care of his equipment, so I assume they are in good working order. That being said, what is the proper way for me to test these holders for light leaks? Thanks in advance.

    Jeff

  3. #23

    Join Date
    Dec 2001
    Location
    San Joaquin Valley, California
    Posts
    8,213

    Re: prevention of film holder light leaks

    The standard test is to load them with paper (cheaper than film) and leave them in sunlight for awhile---flip them over halfway through the ordeal to subject both sides to the sunlight---then develop the sheets and see what leaks are exposed.
    I steal time at 1/125th of a second, so I don't consider my photography to be Fine Art as much as it is petty larceny.
    I'm not OCD. I'm CDO which is alphabetically correct.

  4. #24

    Join Date
    Aug 2000
    Location
    California
    Posts
    2,481

    Re: prevention of film holder light leaks

    SInce my film holders are always under the protection of the dark cloth, or in the dark room I don't worry about light leaks. If I get a light leak it is because I was careless wile photographing.

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