How to make a CanonL 500mm F4 lens
Nov 16, 2013 23:24:10 #
Nov 17, 2013 00:12:18 #
Nov 17, 2013 08:37:05 #
Very interesting. One doesn't realize what goes into making quality lenses. Thanks for sharing.
Nov 17, 2013 10:37:02 #
Nov 17, 2013 10:58:08 #
Nov 17, 2013 12:02:05 #
WOW!!! Had no idea so much went into making a lens. This was very informative and shows why lenses are so expensive. Can you imagine the cost and knowledge that goes into making the process used? Again - WOW!!!!
Nov 17, 2013 14:25:07 #
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