Infinity Long Working Distance Objective Lens f Metallographic Microscope 5-100X
(100X 0.8 3.2 1.8 0.41 0.6 0.25 22.5. Focus(mm) Resolution(mm) DF(mm) Object field of view(mm) Image field of view（mm)）. is provided once the item is dispatched. 50X 0.55 7 3.6 0.61 1.4 0.5 22.5.