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Thread: keeping the paper flat....

  1. #21
    ic-racer's Avatar
    Join Date
    Feb 2007

    Re: keeping the paper flat....

    Reads as if you are not letting the negative heat up enough. Keep warming it until the focus is stable, then cap the lens with the light still heating the negative (or swing the red filter in place), place the paper and set the timer. Uncap the lens (or swing the red filter out) and start the timer.

  2. #22
    Maris Rusis's Avatar
    Join Date
    May 2006
    Noosa, Australia.

    Re: keeping the paper flat....

    Paper flatness is remarkably irrelevant in making typical enlargements. For example paper can be as much as an inch (!) out of flat when enlarging 35mm to 16x20 and it makes no difference to sharpness. Negative flatness is, on the other hand, super-critical and ic-racer is probably on the money about the negative "popping" in reaction to heat from the enlarger.
    Photography:first utterance. Sir John Herschel, 14 March 1839 at the Royal Society. "...Photography or the application of the Chemical rays of light to the purpose of pictorial representation,..".

  3. #23

    Join Date
    May 1999

    Re: keeping the paper flat....

    any ideas?

    (Not a fix but a different approach).
    >The silly paper thickness. Change your paper source. Other manufacturers made papers that simply remain flatter.
    >Use your paper. Looks like some papers get worst along the time, so don`t let it grow inside the box (humidity?). Buy smaller batches, better envelops instead of boxes. Keep them flattened under weight.

  4. #24

    Join Date
    Jul 2016

    Re: keeping the paper flat....

    Quote Originally Posted by dave4242 View Post
    hey all,
    i seem to be having an issue with keeping my ilford warm tone fiber flat on the easel.
    any ideas?
    using a saunders 4 blade easel and a lpl 4550 enlarger
    To have paper perfectly flat, I place a 10mm thick glass on the bed, I spray on it some 3M Re Mount glue. IMHO I gets as flat as if it was in a vacuum table. I used that to test enlarger alignment...

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