34*5 D34 T5 34mm D 5mm Thickness 1064nm AR Coated Fused Silica Laser Protective Window Glass Lens 34x5 34mm Glass Lenses

34*5 D34 T5 34mm D 5mm Thickness 1064nm AR Coated Fused Silica Laser Protective Window Glass Lens 34x5 34mm Glass Lenses