[rollei_list] Re: Plus X -PX 125- and Microdol X discontinued Alan
- From: Mark Rabiner <mark@xxxxxxxxxxxxxxxx>
- To: <rollei_list@xxxxxxxxxxxxx>
- Date: Thu, 18 Feb 2010 12:34:12 -0500
> Now I'm lost... of course he was not changing the defined ISO rating
> of the film but he was changing the working ISO. And yes of course he
> was changing contrast... that is the point. He was also getting
> textural changes as well...
>
An N-1 means you are shifting your highlights down one stop through
developments becaue they are falling too high as you read them with your
spot meter. You you are developing that film back or film holder less.
You want to lower the contrast of your neg in a high contrast scene so it
comes out normal.
There is not change in iso.
Google it.
It if was a medium speed film it would proably be about 20 percent less
development to move your high tones down one stop but you'd probably test
that.
I have actually read most of what Ansel Adams has written and put it in
practice over decades I'm not quoting stuff I've heard on the internet.
[Rabs]
Mark William Rabiner
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