[HUG ] Re: SWC or 40mm?

flexbody@xxxxxxxxxxx wrote:


The " glass from the same pot" is a translation of  the words from
older Carl Zeiss workers who were employed at Carl Zeiss at the time
the SWA was produced.
Nothing incomprehensible is there?


Why, yes. It is indeed incomprehensible.
Elements of the Biogon are not made of one type of glass. The lens still uses "different kinds of glass for various elements". Always have done, always will. 
The glasses used, consequently, do not come "from the same pot".

Perhaps you can give us the original quote.
Meanwhile, the important bit is still that there are only two versions of the 38 mm Biogon: the one on all SW(...) cameras from 1954 upto and including the 903, and the one on the 905. And the difference in performance between the two is very small. 

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