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Zeiss Plan Apo S 0.63x Stereo Objective

Zeiss Plan Apo S 0.63x Stereo Objective

Stereo Discovery

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This Zeiss Plan Apo S 0.63x objective is for all Stereo Discovery series microscopes.  Zeiss p/n 435202-9903-000.  Plan Apo objectives have the highest numerical apertures, the most resolving power, the best color correction and perfectly flat fields edge to edge.  This objective is compatible with all Stereo Discovery accessories and is parfocal with all other Plan Apo S objectives.  Working Distance = 81mm.  This objective has been tested on a Stereo Discovery V12 and performs as new.  The objective is in beautiful condition - optics are pristine.  The only signs of use are some minor cosmetic wear to the lettering which you can see in the image - this has no effect on performance.  

All of our used parts are thoroughly cleaned, refurbished and tested by our knowledgeable staff and your satisfaction is guaranteed.  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.  

  • Zeiss p/n 435202-9903-000
  • Magnification: 0.63x
  • Working Distance: 81mm
  • Correction: Plan Apochromat
  • Stereo Objective - Discovery series