extension-tubes Questions - ShutterFailuremost recent 30 from http://www.shutterfailure.com2010-09-09T05:21:37Zhttp://www.shutterfailure.com/feeds/tag/extension-tubeshttp://www.creativecommons.org/licenses/by-nc/2.5/rdfhttp://www.shutterfailure.com/questions/1/whats-the-difference-between-canon-series-ii-and-series-i-extension-tubesWhat's the difference between Canon series II and series I extension tubes?Kamil Kisiel2009-10-10T23:22:14Z2010-08-29T10:22:24Z
<p>Canon released the Canon EF 25mm Extension Tube II and Canon EF 12mm Extension Tube II as replacements for the original models. What's the difference between the Series II tubes and the originals?</p>