Archived posting to the Leica Users Group, 2006/12/06

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Subject: [Leica] Math Question
From: images at InfoAve.Net (Tina Manley)
Date: Wed Dec 6 12:25:33 2006
 
LUG:

If I take a photo at ISO 160 but underexpose by two stops, what is 
the effective ISO that I'm using?  How about three stops under?

Thanks,

Tina
Replies: Reply from harrison at mcclary.net (Harrison McClary) ([Leica] Math Question)
Reply from davison_m at msn.com (MARK DAVISON) ([Leica] Math Question)
Reply from shino at panix.com (Rei Shinozuka) ([Leica] Math Question)