LED attachment available. Loupe attachment available. Large lens for greater field of view. Light weight and good face fit for comfort. Lens Width: 71 mm. Lens Height: 50 mm. Space Between Lenses: 16 mm. Frame Height: 50 mm. Frame Length: 160 mm. Frame Width: 145 mm. Temple Length: 119 mm.
https://www.lasersafety.com/product/f47/