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Old Feb 7, 2007, 11:28 PM   #1
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hiya all,
quite educational and interesting.....a video ...on how a canon EF 500mm F4L USM 13 groups 17 elements lens is made.......hope the link works or else type/copy into your browser



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Old Feb 8, 2007, 2:18 AM   #2
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Nice informative ... a video, thanks for the link - Ronny
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Old Feb 8, 2007, 9:32 AM   #3
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very interesting, thanks for the link.
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Old Feb 8, 2007, 10:46 AM   #4
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Considering the stringent quality measures in a dust free environment, I wonder if laymen like us - sorry, me - would at all be allowed to see the manufacturing process. Thanks for taking us there. Wonderful film - "must see"for every photographer, budding or professional. Today onwards, I will be more careful with my lens, even if it is a very simple one.
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