Professional protection. Instant precision. The Magnetic UV Filter Plus combines advanced optical performance with seamless usability. German SCHOTT glass, CoraNano™ 30-layer coating, and Urth’s fast magnetic mount deliver professional clarity and effortless lens protection — perfect for creators who move fast. - Fast, secure magnetic mount for seamless workflow- German SCHOTT B270 glass for superior sharpness- CoraNano™ 30-layer dual-side nano-coating- 99.00% light transmission, 0.38% reflectance- L41 UV cut-off for haze-free outdoor results- Ultra-slim, warp-resistant aluminium frame- Lifetime warranty IMPORTANT: Use either the threaded Magnetic UV Filter or the Magnetic Adapter Ring as your base — not both together. Using both will cause the magnets to repel, leading to rattling or instability.