Size: Small | 53 □ 20-138
Total Width: 154mm
Lens Width: 53mm
Lens Height: 28mm
Bridge Width: 20mm
Arm Width: 138mm
Weight: 40g
Material: Cupronickel
Shape: Square Horn
Rim: Full-Rim
Other features: Retro
Resin plain lens with UV-Protective and anti-reflective coatings