Dec 222014



There are two lens terms that have similar sounding (and potentially confusing) names: fluorine and fluorite. Apparently quite a few people have trouble distinguishing between the two, so here’s a quick look at what they each are.

Fluorine Coating

When lens companies talk about fluorine, they’re talking about a special coating based on the element fluorine that’s applied to the surface of your lens glass that helps to repel things like dust, water, grease, and dirt.

Here’s a short demonstration video by Nikon that was shared earlier this year:

Read More: