[alt-photo] Re: New Platinum Prints

[Mark Nelson]

David,

If your exposure time produces 2 merged steps on a standard step  
tablet, you need to back off your exposure by 1 step.

Mark Nelson
www.PrecisionDigitalNegatives.com
PDNPRint Forum @ Yahoo Groups
www.MarkINelsonPhoto.com

sent from my iPhonetypeDeviceThingy

On Apr 11, 2010, at 8:42 AM, David Hatton  
<davidh6180483 at googlemail.com> wrote:

> Gotcha Mark,
> Thanks.
> My problem was(is) as you say. I exposed the step tablet 'til the
> first two steps merged( I think that was about 180 seconds) but at
> that exposure time, no colour would give me paper white. Only all
> colours would do that. I'll do as you say and get back. Thanks
> David
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