NPL Fluotar 63x/0.90 objective objective with high numerical aperture, color correction and flatness - designed for use without coverslip.  Compatible with all 160mm tube length microscope models.  Standard RMS thread mount.  Optics in excellent condition with no marks, scratches or delamination.  Some minor signs of use on outer metal barrel which do not affect performance.  Spring tip movement is good.  Bench tested on Diaplan and delivered sharp, crisp images as expected.  

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 sales@hitechinstruments.com.  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.