How to Make a Canon 500mm L IS USM Lens...

If you ever wondered how they make lenses, and especially Canon lenses, you might want to go over to this part of the forum and click the link.
(I did it this way to not double-post and have too many threads)
Canon Lens...

I think it it VERY interesting, I had no idea...

Randy

goodness, that is a lot of work for a piece of glass. Thanks for sharing.

very cool to see the processes used ...the follow up videos continue the recipe...nice.

I never wondered how they make them, what I wondered is how people could afford them> : )

Very interresting little clip, thank's

gives an idea as to why they cost so much, be interesting to see a nifty fifty being knocked together.

nice find, never seen that one