Olympus SPlan Apo 20 Microscope Objective. The Olympus SPlan Apo 20x objective lens has a 160 tube length, 0.55 mm RMS thread, and 0.70 NA. It has a working distance of 0.65 mm and is infinity corrected.
The SPlan Apo 20x objective is compatible with most modern Olympus microscopes and is suitable for brightfield, fluorescence, and DIC applications. ALL QUESTIONS AND OFFERS WELCOME.