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Lens Manufacturing
Mar 6, 2024 11:12:28   #
BurghByrd Loc: Pittsburgh
 
I ran across this video of Sigma's manufacturing process which I found interresting. I thought you might enjoy it too.

https://www.youtube.com/watch?v=r5HFLkNrbIU

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Mar 6, 2024 11:29:15   #
dhsackett
 
BurghByrd wrote:
I ran across this video of Sigma's manufacturing process which I found interresting. I thought you might enjoy it too.

https://www.youtube.com/watch?v=r5HFLkNrbIU


Thank you.

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Mar 7, 2024 00:18:59   #
Doc Mck Loc: Terrell,Texas
 
Enjoyed. No wonder they cost what they do.

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Mar 7, 2024 06:57:13   #
mvetrano2 Loc: Commack, NY
 
Interesting!

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Mar 7, 2024 09:23:48   #
camerapapi Loc: Miami, Fl.
 
I have watched it previously in YouTube. The design of a lens goes to optical engineers and computers the rest, as you saw is mostly done with machines till the final assembly. The video does not show the different types of glass that are used in the manufacturing process of a lens. LD and rare earths glass are used extensively today by all manufacturers. The same technology is shared by all independent companies. Quality control and precision manufacturing is what separates the good from the mediocre lens. Even in cheap kit lenses you can find good optics today.

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Mar 7, 2024 11:00:27   #
Machinedoc Loc: Yorktown Heights, NY
 
Thanks for posting - just fascinating to watch!

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Mar 7, 2024 11:10:54   #
jerryc41 Loc: Catskill Mts of NY
 
Yes, that is an interesting process. There are several online.

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Mar 8, 2024 15:17:12   #
Harry02 Loc: Gardena, CA
 
A few years baxk someone posted the formula from Leica
that made their round lenses focus on flat sensors so good.
Big long equation thing.
I don't miss fuzzy corners, neither!

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