Gem Bids For Achromatic Lens, 50 Mm Dia. X 200mm Fl, Nir Ii Coated Asper Attached Specification, Achromatic Lens, 25 Mm Dia. X50mm Fl, Nir Ii Coated As Per Attached Specification, Lens, 180mm Efl Uncoated, Uv-to-nir Corrected Triplet As Perattached Specification, Lens, 45mm Efl Uncoated, Uv-to-nir Corrected Triplet As Per Attached Specification