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Olympus Plan Fluorite 20x Objective

Olympus Plan Fluorite 20x Objective

BX, IX, AX, CX, CKX series (all models)

All infinity corrected models (UIS/UIS-2 optics)


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Plan Fluorite 20x/0.50 objective with the excellent numerical aperture, color correction and field flatness.  Infinity corrected UIS with standard Olympus thread mount.  This workhorse objective is ideal for almost all applications - research, routine and clinical.  Performs very well in fluorescence.  Excellent condition - tested on BX51 stand.  Optics are flawless.      

All of our used parts are thoroughly cleaned, refurbished and tested by our knowledgeable staff and your satisfaction is guaranteed.  The item pictured is the actual item for sale.  We offer no questions asked returns for 7 days after receipt (less cost of shipping).  All used items carry a 90 day warranty against defects which will be honored with a full refund or replacement with like item.  If you have any questions or would like additional photographs, please email us at  If you do not see the item you are looking for please email us as many times we have inventory we have not yet listed online.  


  • Olympus p/n 1-UB525
  • Magnification: 20.0x
  • Numerical Aperture: 0.50
  • Correction:  Plan Fluorite
  • UIS design
  • Working Distance: 1.60mm
  • RMS thread
  • Corrected for use with coverglass