ADOX Ortho 25 Reciprocity

Discussion in 'B&W: Film, Paper, Chemistry' started by Stan160, Jan 31, 2008.

  1. Stan160

    Stan160 Member

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    I have 3 rolls of Ortho 25 to try out but can't find a data sheet anywhere online.

    Does anyone know how long an exposure I can get away with before having to adjust for reciprocity failure?

    Thanks,
    Ian