[pure-silver] Re: Pre-Exposure of Negatives

Per Volquartz teaches this in his (free!) seminars......

You pre-expose by using a standard 18% grey card for 4 stops less than Zone 5.  
Then go ahead and take your real picture using the
metereing results you get from the scene..... do not use the grey card readings 
blindly.  .  He did it using a LF camera, and the
pre-esposure was done immediately preceding the real exposure.

Results are pretty hard to guess at, but it is a save the image time technique. 
 It raises the Zone 1-4 without affecting the Zone
5+ tines.... It opens up the shadow areas.

Frank Filippone
red735i@xxxxxxxxxxxxx 


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