Quote:
Originally Posted by Joshua Bunn
Hi Stefan,
I know that in my planewave CDK 12.5, there are 2 elements, but I can't speak for the larger scopes.
Josh
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Hi Josh,
That's interesting, are you sure it is not 2 groups of 3 elements?
I have not tried, but it may be possible to have 2 elements at f/7 and achieve the extra large field. Or maybe they did go aspheric with one of the lens surfaces, as rally suggested earlier in this thread.