Archived posting to the Leica Users Group, 2017/08/16

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Subject: [Leica] Film exposure error - how to correct it
From: roark.paul at gmail.com (Paul Roark)
Date: Wed, 16 Aug 2017 20:09:57 -0700
References: <6d78d76f-12f9-6478-b8b4-4c7eede3176f@summaventures.com> <18A13473-386A-4218-823C-59E0F269E206@icloud.com> <9A83714D-284B-4A17-ACF1-198AA5D73C71@rabinergroup.com>

It's been a long time since I developed film, but my memory is that Xtol
was about the only one that was actually able to increase the shadow
details/effective film speed, particularly without excessive contrast and
grain in the more exposed areas of the image.

FWIW

Paul
www.PaulRoark.com

On Wed, Aug 16, 2017 at 9:02 AM, Mark Rabiner <mark at rabinergroup.com> 
wrote:

> You need a two-stop push. Lots of custom labs can do that. You?ll still
> have very thin shadows if they?re there at all but at least your film will
> not be under developed and can be printed with normal grades of paper.
> You may get a few viable images off the roll.
>
>
>
>
> --
>
> Mark William Rabiner
> Photographer
>
> On 8/16/17, 5:53 AM, "LUG on behalf of Gerry Walden" <lug-bounces+mark=
> rabinergroup.com at leica-users.org on behalf of gerry.walden at 
> icloud.com>
> wrote:
>
>     My advice would be to talk to the lb guy at Ilford, I feel sure he
> will give it the best treatment.
>
>     Gerry
>
>     Gerry Walden LRPS
>     www.gwpics.com
>     +44 (0)23 8046 3076 or
>     +44 (0)797 287 7932
>
>
>
>
>
>
>     > On 16 Aug 2017, at 10:21, Peter Dzwig <pdzwig at summaventures.com>
> wrote:
>     >
>     > All,
>     >
>     > I put my M3 back in to use over the vacation. I was exposing the
> film in it as
>     > ASA400 assuming that I had one of my usual films in it.
>     >
>     > HOWEVER ( :-( ) I found that I had a roll of 125 ASA FP4+ in it when
> I came to
>     > the end of the roll. When I started using it I had noticed that I
> had already
>     > exposed some 10 frames. So I have 10 frames exposed at 125 ASA and
> 25 - or
>     > thereabouts - exposed as 400 ASA. Most of the shots taken when I was
> assuming it
>     > was 400 were exposed in the region of f8 - f16 at 1/500th.
>     >
>     > I send film to Ilford to process. My question is: how should I tell
> them to
>     > develop it?
>     >
>     > I think I have the following options:
>     >
>     > (i) DON'T - just bin it and write it off to bad luck!
>     >
>     > (ii) Develop it as (say) 200 ASA, accept that some will be
> under-exposed and
>     > that the rest will be over exposed and sort it out when I scan the
> film and play
>     > with it in PS or NikFX (or whatever). The short exposure times on
> the 400 ASA
>     > shots may help as they will be on he darker side.
>     >
>     > (iii) Develop it as one or the other (125 or 400 ASA)
>     >
>     > Any other thoughts/recommendations?
>     >
>     > Peter
>     >
>     > PS I know that I should shoot a whole roll before i forget what the
> film is and
>     > go off on autopilot :-)
>     > --
>     >
>     > ===========================================================
>     > Dr Peter Dzwig
>     >
>     >
>     > _______________________________________________
>     > Leica Users Group.
>     > See http://leica-users.org/mailman/listinfo/lug for more information
>
>
>     _______________________________________________
>     Leica Users Group.
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>
>
>
>
> _______________________________________________
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In reply to: Message from pdzwig at summaventures.com (Peter Dzwig) ([Leica] Film exposure error - how to correct it)
Message from gerry.walden at icloud.com (Gerry Walden) ([Leica] Film exposure error - how to correct it)
Message from mark at rabinergroup.com (Mark Rabiner) ([Leica] Film exposure error - how to correct it)