Thermo FisherOlympus™ 20X Objective, fluorite, 0.45NA/6.6–7.8WD, correction collar (0–2.0 mm)SKU · AMEP4763EO
Thermo FisherOlympus™ 20X Objective, fluorite, 0.70NA/0.8–1.8WD, correction collar (0–1.6 mm)SKU · AMEP4765EO