Add Wish List Quick view Add to Cart The item has been added Zeiss A-Plan 20x Polarizing Objective Lens A-Plan 20x Polarizing microscope objective NA = 0.45 WD = 0.46mm Coverglass Thickness = 0.17mm Thread size = M27 Immersion = Without Immersion Field of View = 23mm Parfocal Length = 45.06mm Optical System = Infinity Color Corrected System... MSRP: $422.00 Add to Cart The item has been added Compare