This Nikon S Plan Fluor ELWD 20x/0.45 ∞/0-2 WD 8.2-6.9 Microscope Objective MRH48230 is a high-quality lens made in Japan. It is suitable for use in medical and biological laboratories. The lens is designed for use with Nikon microscopes and is made by the reputable brand, Nikon. It is a used item but has been well-maintained and is in excellent working condition. The lens is ideal for those in the healthcare, lab, and dental industries, and is a valuable addition to any microscope accessories collection.