Nikon CFI Plan Apo 60x Water Immersion Objective demonstrator unit, infinity corrected for Eclipse microscopes. Spring-loaded and includes cover glass correction collar with a range of 0.15 - 0.18mm. Features longer working distance (0.22mm) and high Numerical Aperature (1.20) and is designed to correct all optical abberations throughout the visible spectrum across the 25mm field of view. These new optics produce images that are crisp and clear with high contrast and minimal flare. Superior image flatness and color reproduction, plus resolving power at the limit of today's optical technology. List Price: $9,283.00