Pro HGX PRIME 49mm Protection
- Thread size: 49 mm
- Outer diameter: 51 mm
- Frame thickness: 6.3 mm
- Lens thickness: 1.3 mm
- Coatings: 22 layers
- Light transmission rate: 99.2% (average at 400 - 700 nm)
- Reflection: less than 0.3% (average at 420 - 680 nm)
- Made in Japan
