02-06-2015, 11:26 PM
The lens does not contain 2 CaF2 elements. It is a faux pas on the American Canon website website. Most probably someone mistook the fluorine coatings on the two front and back element front and back surfaces respectively to mean that the lens contains 2 CaF2 elements. It does contain one UD and one S-UD element.
The Japanese website correctly does not show a CaF2 "icon" but does mention the fluorine anti smudge coating:
https://translate.google.com/translate?s...edit-text=
The Japanese website correctly does not show a CaF2 "icon" but does mention the fluorine anti smudge coating:
https://translate.google.com/translate?s...edit-text=