/ Register

Color Chemistry / Bleach & Redevelop question

Discussion in 'Color: Film, Paper, and Chemistry' started by htmlguru4242, Oct 20, 2005.

Thread Tools

Thread Tools

  1. Oct 20, 2005 #1
    htmlguru4242

    htmlguru4242 Member

    Messages:
    968
    Joined:
    Aug 9, 2005
    Location:
    Sandy Hook,
    Shooter:
    Multi Format
    As I was developing my disc film in D-76 yesterday, I was wondering about developing int in color, as it as definetely in good enough condition to do so.

    If color (C41) film was developed in B&W dev, fixed, bleached (rehalogenating) and re-exposed to ligth, and then developed in C-41 chems, would it turn out in color, as the color developer would redevelop the bleached silver and couple it??

    Is this possible, or am I thinking incorrectly?
     
  2. Oct 20, 2005 #2
    Photo Engineer

    Photo Engineer Subscriber

    Messages:
    27,438
    Joined:
    Apr 19, 2005
    Location:
    Rochester, NY
    Shooter:
    Multi Format
    You are correct.

    It would work, but D76 may not be the proper developer for getting the best image. Due to the high sulfite content, the yellow layer will probably have a more profound solvent effect and the cyan will probably have the least. If this happens, it will probably lead to a C/Y or R/B crossover problem.

    I'm really not sure.

    I do know that colors will be dull, and sharpness and grain will be degraded, as there will be no significant DIR effects during color image formation. This will be prevented by having a pre-formed silver image.

    PE