Quote Originally Posted by AgX View Post
See my remark two posts above.

Dan's figure is total out of proportion and so far I got no idea how it could be reasoned. To evalute the transmission, have a look at the schematic of a lens, count the air/glass surfaces and make a calculation of the reflection loss. Any other loss could only be caused by the absorbtion of the glass.
Umm this is WAY beyond my understanding, I don't know how to do any of that or even what it all means in terms of "figuring it out" I'll just keep an eye out for the statistic, but thanks for trying to help the uneducated...


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