Archived posting to the Leica Users Group, 2000/07/25

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Subject: Re: [Leica] Exposing Tri-X at 320
From: Bill Satterfield <cwsat@cyberhighway.net>
Date: Tue, 25 Jul 2000 09:36:49 -0500
References: <D188C0B350C0D211ACB10008C75D7CA302E03279@nssczeusex9.navsea.navy.mil>

This is the way I understood it--over expose, under develop increases cotrast.
This is when you expose for the shadows and develop for the highlights using N
development.

Peterson Arthur G NSSC wrote:

> Just a quick question from an ignoramus who doesn't develop his own stuff.
> You say that overexposing and underdeveloping increases contrast.
>
> I had long understood that underexposing and overdeveloping increases
> contrast.  And somewhere, somehow (I can't recall and can't explain it), I
> had gotten the impression that, conversely, overexposing and underdeveloping
> rather decreases contrast.  Did you misstate this, or has my impression just
> plain been wrong?
>
> Thanks in advance for the answer,
>
> Art Peterson
>
> -----Original Message-----
> From:   Bill Satterfield [mailto:cwsat@cyberhighway.net]
> Sent:   Tuesday, July 25, 2000 9:51 AM
> To:     leica-users@mejac.palo-alto.ca.us
> Subject:        Re: [Leica] Exposing Tri-X at 320
>
> I shoot it at 200, develop it for 4:30 seconds in HC 110 1:3 @68 degrees.
> This over exposes, under develops, thus increasing the contrast. This was
> learned at a zone system workshop taught by a local, world renowned fine art
> photographer, Marion Brown. It works in all formats but the time is
> different for medium and large formats.

In reply to: Message from Peterson Arthur G NSSC <PetersonAG@NAVSEA.NAVY.MIL> (RE: [Leica] Exposing Tri-X at 320)