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  1. #1
    ParkerSmithPhoto's Avatar
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    John Sexton Processing Question

    ANy of the APUG veterans of John Sexton workshops: I was listening to an interview with him and he stated that he "does no push processing." I take that to mean he does no expansion development a la The Zone System. He said he just makes sure that he gets rich shadow detail and then works with either selenium intensification and/or paper grades.

    Did I get that right? That would greatly simplify field work. Just mark your minus development and process everything else normal.
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  2. #2

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    No. John uses both contraction and expansion development to control his negatives, but he uses them within the zone system framework - ie to control overall and/or local contrast, not to push film speed. Like many practitioners he usually wants good shadow detail (which he can retain or print down as desired in the fine print) which means you don't "push" your film. The classic zone system is intended to give enough exposure to yield good detail and contrast in whatever you decide are your important shadow values, and development is adjusted to control the highlights. Pushing film is essentially the opposite - ie underexposing and overdeveloping in an attempt to compensate for underexposure. It should be regarded in most cases as an emergency measure and is usually only marginally successful anyway. It is certainly not the way to get the highest quality negatives, which is what John is after. Hope this helps. By the way you might want to consider taking one of John's workshops. They are excellent.
    Last edited by Michael R 1974; 11-05-2011 at 03:48 PM. Click to view previous post history.

  3. #3
    Vaughn's Avatar
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    Quote Originally Posted by Michael R 1974 View Post
    ...It should be regarded in most cases as an emergency measure and is usually only marginally successful anyway...
    Or a way to make hand held exposures at dimly-lit venues...nice grainy concert shots, especially...
    At least with LF landscape, a bad day of photography can still be a good day of exercise.

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    Quote Originally Posted by Vaughn View Post
    Or a way to make hand held exposures at dimly-lit venues...nice grainy concert shots, especially...
    I haven't seen John's concert shots...

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    Vaughn's Avatar
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    You must have missed his book, it came out in the late 1970's, This is Loud Light...He claimed his light was loudest because his zone system went up to XI.
    Last edited by Vaughn; 11-05-2011 at 05:04 PM. Click to view previous post history.
    At least with LF landscape, a bad day of photography can still be a good day of exercise.

  6. #6
    ParkerSmithPhoto's Avatar
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    Quote Originally Posted by Vaughn View Post
    his zone system went up to XI.
    Why not just make Zone X the highest?

    This one goes to Zone XI....
    Parker Smith Photography, Inc.
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  7. #7
    ParkerSmithPhoto's Avatar
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    Quote Originally Posted by Michael R 1974 View Post
    Pushing film is essentially the opposite - ie underexposing and overdeveloping in an attempt to compensate for underexposure.
    You are correct, sir! Listening again, he was talking about how he doesn't Plus develop roll film to avoid grain and the interviewer then asks if he tested it for pushing, which he says no, but it might be good for photojournalists.

    I'm definitely looking at the workshops. Thanks!
    Parker Smith Photography, Inc.
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  8. #8
    Martin Aislabie's Avatar
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    Quote Originally Posted by Vaughn View Post
    He claimed his light was loudest because his zone system went up to XI.



    Martin



 

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