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Anonymous
Set of interesting videos on the lens manufacturing process:

http://www.canon.com/camera-museum/tech/l_plant/f_index.html

pic related
>> Anonymous
>>44023
very cool videos, Thanks!
>> Macheath
Yeah awesome videos, nice find.
>> Anonymous
hehe cool, now I wanna know the process for making different kinds of filters (PL, didymium, various tinted filters, etc)
>> Anonymous
bump for interestingness