40xR NIS Plan Achromat objective
N.A. 0.65
Working distance 0.70mm
Provides a flat field of view
Infinity corrected
Corrected for No. 1 ½ coverglass
Spring-loaded bottom lens to prevent damage to the objective and the specimen
RMS threads
Designed for EXC-500 series microscopes
Compatible with Nikon E200, E400, E600, Ci, 50/55i
Shipping size 9x7x5 inches
Shipping weight 1lb