🔬 Infinity-corrected phase contrast objective for high-resolution live cell imaging⚡ Plan Fluor optical design for flat, high-contrast fields across the full image🎯 PH3 phase ring compatible with Nikon phase contrast condensers🏆 Excellent condition — flawless optics, ready to use🇯🇵 Made in Japan by Nikon 🔧 Product Description The Nikon Plan Fluor 100x PH3 Objective (SKU: MRH11902) is an infinity-corrected, high-magnification phase contrast objective designed for demanding biological and materials science applications. The Plan Fluor optical design delivers exceptional flatness of field and high light throughput, making it ideal for fluorescence and phase contrast work on the same objective. The PH3 phase ring is matched to Nikon's phase contrast condenser annuli, ensuring crisp, high-contrast phase images of unstained, living specimens. This unit is in excellent condition with flawless optics — a cost-effective alternative to new at a fraction of the price. 🔎 Typical Applications Live cell phase contrast imaging Microbiology and bacteriology Cell culture monitoring Fluorescence microscopy (multi-modal use) Materials science and thin film inspection Research and university laboratory use 📊 Key Specifications Specification Details Magnification 100x Optical System Infinity Corrected Optical Design Plan Fluor Phase Ring PH3 Numerical Aperture (NA) 0.75 Working Distance 0.21 mm Immersion Dry Thread Mount Nikon RMS (M25 x 0.75) Tube Length Infinity Country of Origin Japan SKU MRH11902 Condition Excellent — Flawless Optics University and institutional customers are welcome to use a purchase order. Please contact us for PO terms and net payment options.