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mdaddyrabbit
13th of May 2005 (Fri), 22:45
I dont know any other way to ask but the simple way, what are extention tubes and what do they do?
Leorooster
13th of May 2005 (Fri), 23:05
See the link below:

http://www.the-digital-picture.com/Reviews/Canon-EF-25mm-Extension-Tube-II-Review.aspx


I dont know any other way to ask but the simple way, what are extention tubes and what do they do?