Canon Lens Production 1
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2:38
Canon Lens Production 2
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22:27
How Glass is Made | From Mining Silica to Wonders of Glass!
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17:21
#755 Why is a Camera Lens so Complicated?
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44:40
China's Top 5 Manufacturing and Mass Production Videos | by @miracleprocess
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18:23
Five times stronger than steel: Japan's new 'wood' | Nikkei Film
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12:54
History and How it made EF Canon Lenses
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29:06
Canon RF 100-300 2.8 REVIEW: NOT Worth $10,000 or a DREAM Lens?!
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12:56