Polycarbonate lenses are lightweight and scratch resistant that filter sodium flare and UV similar to glass Didymium or Ace lenses.
Lens Size: 52mm wide x 35mm high.
SB-Series: The glasses in the SB series would typically be used by the soft glass or clear borosilicate glass lampworker, glassblower, and kiln worker. These lenses offer Sodium Flare, UV, and IR protection.
B3-Series: This series of eyewear offers the same protection as the SB series but has the addition of a welding shade number 3 for additional brightness reduction. The eyewear in the B3 series would typically be used by the borosilicate glass lampworker. These lenses offer Sodium Flare, UV, and IR protection.