Digital BW, The Print

> 
> I made a simple test yesterday that seems, to me, to validate that 
> premise. Here was the set-up: I exposed took two rolls of film with 
> each frame containing the same image.  I used the new plusx.  The 
first 
> roll was at my 'normal' EI 64 ( exposed 1/60s @ 5.6) developed in 
D76 
> 1:1 for 7:15.  The second roll was exposed at EI 40 (exposed 1/60s 
@ 
> f4) and developed for 5:00 D76 1:1.
> 
> As you would expect the 'normal' negative was much denser in the 
> highlights.  I scanned one frame from each film strip on a 
sprintscan 
> 120 using vuescan.  The little density meter in vuescan (for 
whatever 
> it is worth) gave a density range of ~.35 to ~1.85 for the 'normal' 
> negative  and ~.4 to ~1.5 for the N- negative.  I set vuescan to 
scan 
> B&W, 16 bit, Neutral color balance, with black and white points set 
to 
> 0%.
> 

Something here that I don't understand. For having a N and N-1 
negative you must expose them in the same way and develop 
differently. You have made different expositions so you have here a N 
negative and a "M negative" not a N-1.

Or, am I missing something??

Best Regards

António Vieira
http://www.livinginabox.net