Thanks for the link, look at the Aristostigmat cross-section again. Four elements, all menisci, all concave to the diaphragm. If it isn't a 4/4 double Gauss, what is it?Originally Posted by Ole Tjugen
Cheers,
Dan
Thanks for the link, look at the Aristostigmat cross-section again. Four elements, all menisci, all concave to the diaphragm. If it isn't a 4/4 double Gauss, what is it?Originally Posted by Ole Tjugen
Cheers,
Dan
Of course it is.Originally Posted by Dan Fromm
I shouldn't post without engaging my brain first!
Anyway, as we both seem to agree, it's a great candidate for a modern coated version!
My reference to the Eurynar (dialyte) was intended to point out that 4/4 lenses of any type benefit tremendously from even the simplest single coating. And then my brain shut down..
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