joseph_dickerson Posted October 31, 2013 Share Posted October 31, 2013 <p>Does anyone remember if there was an EF 20mm f/2.8 prior to the current 20mm f/2.8 USM?<br> JD</p> Link to comment Share on other sites More sharing options...
phule Posted October 31, 2013 Share Posted October 31, 2013 <p><a href="http://www.canon.com/camera-museum/camera/lens/ef/ultra_wide.html">http://www.canon.com/camera-museum/camera/lens/ef/ultra_wide.html</a></p> Link to comment Share on other sites More sharing options...
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