If you do not have anything to contribute, I beg you, please do not waste my time, I have things to do, and, as an American of Mexican descent, I am perfectly aware of the abilities of the human world, regardless of their nationality, however, the Continent the are created by, is of extreme importance to them, and their abilities, therefore, yes, German, Zeiss, and my mentioning that fact, does have an expression of (sic) phantasy. Best wishes, and happy photography, Americo.rodriguez