60 Day 100% money back guarantee. Classic Leica E2 Achromat oil-immersion objective, 100X/1.25 NA for 160 mm tube length and 0.17 mm coverslip. Crisp engraving and clean front element; rear aperture and RMS threads show typical cosmetic wear only. Great for Leica/Leitz finite 160 systems and many DIN-RMS stands via standard thread. No testing performed; includes objective only as photographed. Ideal replacement or spare for biology, materials, and teaching scopes where reliable 100X oil performance is needed. Keyword Block: leica, e2 achro, 100x objective, oil immersion, 1.25 na, 160/0.17, rms thread, finite microscope, leitz compatible, achromat objective