Ask An OpticsPlanet Expert LOMO Objective, Q-Plan Achromat, 50x, 1.00-0.70 N.A., Oil Immersion, Iris, DIN

Ask An OpticsPlanet Expert LOMO Objective, Q-Plan Achromat, 50x, 1.00-0.70 N.A., Oil Immersion, Iris, DIN