Specifications

• 20x NIS Plan Phase objective
• N.A. 0.40
• Working distance 12mm
• Provides a flat field of view
• Infinity corrected
• Corrected for No. 1 ½ coverglass
• M25 threads
• Designed for EXC-500 series microscopes
• Shipping size 9x7x5 inches
• Shipping weight 1lb

This microscope objective is compatible with Nikon E200, E400, E600, CI, 50i/55i and 80i microscopes.  Although it will not be 100% parfocal