😬 Hopefully the image of me with my mouth magnified by this Fresnel lens doesn't give you nightmares

🤩 This quick intro to Fresnel lenses shows what makes them so different compared to "normal" curved lenses

📝 And I might do some deeper dives into metalenses and other optics that challenge the conventional idea of a "lens"

🔎 This clip is from the Larry Laser YouTube channel. Check it out for more short optics videos!

@PhysicsStation