Digital BW, The Print

My thoughts are to first find out which developer your "good lab" will be using 
to develop TMAX 400. Then for normal development (no + or - development), 
consult Chris Johnson book "The Practical Zone System" for a starting ASA value 
for the developer you lab will use. Assuming the lab is using TMAX diluted 1:4 @ 
68 deg F, you would set the ASA at 320. This will give a negative that will 
handle a normal range of contrast. If you have low contrast scenes, use the ASA 
320 but request expansion or + development. (N+1 or N+2 depending on how much 
contrast you want to add). Your lab should be able to give you "good" advise on 
ASA setting based upon their developer and processing parameters.
I don't understand why you would want to under expose the film and use standard 
development

 Dr. John C. Thacker
jthacker43@...




________________________________
From: russmeadseattle <russmead@...>
To: DigitalBlackandWhiteThePrint@yahoogroups.com
Sent: Sat, September 1, 2012 11:07:58 PM
Subject: [Digital BW] What Asa to shoot tmax400 with standard development

  
Ii am pulling out old film cameras to shoot black and white film to scan, then 
to digitally print. I will primarily be shooting medium format. I live in then 
land of no sun,Seattle Wa  so use tmax 400 rather than a 100 Asa film. I will be 
using a good lab to develop the film withou any push or pull. They provide a low 
level scan with developing for a reasonable price. I will have them do a high 
Rez drum scan when I have a print made. My golal is to have 20 by 20 prints. Ok, 
my question... In reading this site it seems like I need to under expose the 
film. Is this correct? And if so by how much? And just to make sure I get this 
right I would set the light meter for say 500 Asa for tmax 400 (not set the 
meter for Asa 300)

Thanks!


 

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