Digital BW, The Print

It is noise, try scanning at a lower res or adjust your scanner  
settings (try scanning flatter). What is the scanner, is it a true  
5400 ppi optical?
Mark

On Oct 16, 2006, at 6:58 PM, David Keenan wrote:

> I am working with 30 some-odd 5400 dpi scans of Ilford Pan F film.
>
> I'd expect the resulting images to be virtually grainless.This is  
> evident onscreen and in a print.
>
> But in some images shadow areas are particularly grainy. I dunno  
> maybe it's that nasty grain aliasing affect that I read about some  
> scanning doing. The grain manifests itself in a pattern of speckly  
> white dots.
>
> I really don't want to rescan the image but I can if necessary  
> return to the original scanned image file. What I hope to learn via  
> this post is if there are any PS techniques that can be used to  
> hide this in selected areas.
>
> I have tried selective noise reduction using the Photoshop filter  
> and Noise Ninja without limited success.
>
> Dave.
>
>
>
>
>
>
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