Just wondering if these two tiny 90mm lenses are similar in optical design?
Just wondering if these two tiny 90mm lenses are similar in optical design?
No. Absolutely not. The Raptar/Optar is a 4 elements in 4 groups double Gauss type. The Angulon is a 6 elements in 2 groups angulon type, some refer to it as a reversed dagor type.
Don't you think its time for you to learn how to use a search engine, e.g., Google?
Last edited by Dan Fromm; 12-May-2007 at 12:38. Reason: really stupid typd
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