ED glass effectively compensates for chromatic aberration (chromatic aberration = different coloured parts of a light beam are refracted to different degrees - can be clearly seen as a colour fringe along edges)
ED glass effectively compensates for chromatic aberration (chromatic aberration = different coloured parts of a light beam are refracted to different degrees - can be clearly seen as a colour fringe along edges)
When you visit a website, it may store or retrieve information about your browser, usually in the form of cookies. Control your personal cookie services here.
Deutsch Deutsch 
English (UK)
Français
Español