Watch how they are made.
A reader posted an interesting comment (scroll down) with a link to Canon’s videos showing how lenses are made. (That same reader was very helpful in resolving a problem that prevented Internet Explorer users from commenting – thank you, Ben!).
Click on Lens Assembly Process (click through to get there – I cannot find a specific URL) and you will see how the monster 500mm f/4L IS lens is assembled – I still don’t feel good about the price tag, but this helps.
There’s lots of great historical information regarding Canon’s products – click Camera Hall for a history of cameras or here for great historical details on Canon.
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