5X 10X 20X 50X 100X Infinite Plan Biological Microscope Objective Lens RMS 20.2

  

Long Working Distance Flat Field Infinit Infinity Plan Objective Lens 5X 10X 20X 50X 100X for Biological Microscope RMS 20.2mm. Specification: Brand new and high quality. Magnification: 2.5X, 5X, 10X, 20X, 50X, 100X Numberical Aperture(NA): 0.08, 0.12, 0.25, 0.4, 0.55, 0.8 Working Distance(mm): 11.2, 23.6, 17.7, 10.4, 7, 3.2 Focal Length(mm): 72, 36, 18, 9, 3.6, 1.8 Resolution(um): 4.1, 2.8, 1.34, 0.8, 0.61, 0.41 Focal Depth DF(um): 42.9, 42.9, 10.1, 3.5, 1.4, 0.6 Object field of view(on object, mm): 9, 4.5, 2.2, 1.1, 0.45, 0.22 Image square field of view(On image, mm):22.5, 22.5, 22.5, 22.5, 22.5, 22.5 RMS (M20.20.706).