Practical Specifications : Working Distance (WD) of 0.13 mm and OFN 25 field of view balance depth penetration and sample accessibility. Robust Build : Japan-manufactured with Nikon's proprietary coatings for durability and anti-reflection. Perfect for upgrading lab microscopes e. Nikon Ti2, confocal systems or academic research. Achieve publication-grade images of organelles, bacteria, or live cells with this industry-respected optic.