Features & Benefits:
F19:
F19 Black frame.
Lightweight frame.
Durable with soft nose cushion for comfort.
F20:
Light weight with very goof wearing comfort.
Absorbing glass- and plastic filters with base curve 6.
Flexible earpiece ends.
Cold malleable temples for individual fit.
Soft nose pad.
Very good field of view.
Technical Specifications:
F19:
Lens Width: 55mm.
Lens Height: 35mm.
Distance Between Lenses: 16mm.
Temple Length: 120mm.
Temple Angle Adjustment: n/a.
Frame Height: 40mm.
Frame Length: 150mm.
Frame Width: 140mm.
F20:
Lens Width: 55mm.
Lens Height: 35mm.
Distance Between Lenses: 16mm.
Temple Length: 120mm.
Temple Angle Adjustment: n/a.
Frame Height: 40mm.
Frame Length: 150mm.
Frame Width: 140mm.