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Messages 1 to 10 of 653 (Total: 653) First | Prev | Next | Last
Subject 
Author 
Date 
Lost Plotter Files and Folder 
Hedd-wyn  14:58 31 Dec 18 
Re: Lost Plotter Files and Folder 
David Jade  11:48 2 Jan 19 
Re: Lost Plotter Files and Folder 
Hedd-wyn  21:15 3 Jan 19 
Alternative to contact printing 
Filip Lenrick  6:44 26 Sep 16 
Re: Alternative to contact printing 
David Jade  13:34 26 Sep 16 
Re: Alternative to contact printing 
Filip Lenrick  23:55 26 Sep 16 
Re: Alternative to contact printing 
Filip Lenrick  9:35 8 Oct 16 
Re: Alternative to contact printing 
Filip Lenrick  3:04 31 Oct 16 
In Phil Davis' BTZS Video Workshop (from 1992) Phil talks about "toe and flare" and why one cannot simply photograph a step tablet on a light table or similar. Camera flare will raise the toe too much and the computer software cannot work with the curves properly. I assume this logic would also apply to my earlier question if it was possible to sandwich the film and step tablet in a film holder.

However, in Ralph Lambrecht's and Chris WoodhouseWay's book "Way Beyond Monochrome" they advise you to photograph the step tablet using a film negative duplicator or similar.


 
iPhone as a densitometer 
August Gresens  5:09 4 Feb 15 
Re: iPhone as a densitometer 
August Gresens  5:18 5 Mar 15 


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