Corning Pyrex 7940 Fused Silica Lenses

This item is a lot of 11 unfinished Corning Pyrex 7940 Fused Silica Lenses.. Details: – Lens diameters range from 2″ to 6″ – Thicknesses range from 1/8″ to 7/8″ – Some of the unfinished lenses have edge chips – Some of the lenses have construction defects. – Notes: All of the lenses in this lot will require finishing or re-construction – being sold as parts…