All our glasses provide front and side protection and are delivered with a chamoisine, a tightening cord and a storage case. Our SCHOTT SF-6 (2.8 mm) lead eye pieces are optical 1 quality (the best on the market with transmission of 85% of the visible light). The equivalent protection is 0.75 mm lead for x-ray tension of between 65 KV and 300 KV. Tests carried out in the only laboratory approved in Finland by SGS.
LEAD EQUIVALENCE :
Front : 0.75 mm Pb Side : 0.50 mm Pb
With these large glasses (4.64cm2 eye pieces) the wearer can keep his corrective spectacles.