Despite being a Nikonian, I'm impressed by the virtual tour provided by the Canon Japan. Some of you might be thinking, "Why these idiots morgaged their house and divource their wives for photography." It's because they understand and are obsessed with the process of manufacturing, precision, accuracy and perfection of these glasses.

These terms like ED, UD, Florite and Aspherical glasses are things lens makers write on the specifications of their products. The more of these terms the merrier. Click on the link if you're interested in my all time favourite hobby.

Labels: Photography