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FORUMS Cameras, Lenses & Accessories Canon Digital Cameras 
Thread started 29 Nov 2004 (Monday) 14:09
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TS-E 24mm f/3.5L with TC 1.4x

 
DocFrankenstein
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Dec 01, 2004 14:04 |  #16

Jon wrote:
Unless you want to be still more hopelessly confused, let's just say "yes". The stuff they use in lenses has a not dissimilar relation to CaF2 (crystalline) as optical glass has to quartz.

Of course I do!

That's the meaning of life. Get really confused and die. :D


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Jon
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Dec 01, 2004 14:07 |  #17

Ok, here goes . . one step at a time . . .

You know, of course, that glass isn't really a solid, more an extremely viscous liquid, right?


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DocFrankenstein
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Dec 01, 2004 14:11 |  #18

Jon wrote:
Ok, here goes . . one step at a time . . .

You know, of course, that glass isn't really a solid, more an extremely viscous liquid, right?

yes


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Jon
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Dec 01, 2004 14:12 |  #19

OK, and to get different indices of refraction, they "salt" it with various impurities . . .


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DocFrankenstein
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Dec 01, 2004 14:38 |  #20

Jon wrote:
OK, and to get different indices of refraction, they "salt" it with various impurities . . .

Yes


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Jesper
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Dec 02, 2004 01:28 |  #21

Here is a link that you guys might find interesting:

Virtual Lens Plant (external link) in the Canon Camera Museum.

It explains how Canon makes glass and lenses.


Canon EOS 5D Mark III

  
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outoffocus
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Dec 02, 2004 03:02 |  #22

**Text deleted by Moderator** CDS

.. just kidding.. i know my post holds little relevance to most .. and .. i love this board.

Bearsummer, thanks for the info. Are you going to try shooting a few, or leave it there? (i still can't believe you own all three TS lenses!)..

thanks again!


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TS-E 24mm f/3.5L with TC 1.4x
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