Sunglasstest
How to Verify Authentic Luxury Sunglasses Online
Buying luxury sunglasses online can be one of two experiences: a smooth, rewarding investment in a beautifully crafted piece of eyewear — or an unfortunate lesson in how…
Chapter 01 · 13 Articles
Buying Guides
Lens Materials Compared: CR-39, Polycarbonate, Trivex and Glass
Lens material sets the ceiling on clarity, weight and durability. How CR-39, polycarbonate, Trivex and glass differ, what Abbe value means, and how to match material to use.
UV Protection in Sunglasses: What to Actually Look For
A dark lens without UV protection is worse than no lens at all. What UV400 means, why protection lives in the material rather than the tint, and how to verify a claim you cannot see.