ZEISS Plan-APOCHROMAT 20x / 0.75 Microscope Objective ∞/0.17 – RMS – Open Box

Orders ship within 1 business day from Noble Lab Trade LLC (Seattle, WA). This listing is for a ZEISS Plan-Apochromat 20x / 0.75 microscope objective, infinity-corrected, with 0.17 mm cover glass specification. The objective is open box and was briefly installed in a microscope only to confirm mechanical fitment. It was not used for imaging, data collection, or routine microscopy work. Objective Markings ZEISS Plan-APOCHROMAT 20x / 0.75 ∞ / 0.17 Part number: 44 06 49 Additional marking: (1101-957) Color code: Green band (20×) Key Specifications Manufacturer: Carl Zeiss Objective Type: Plan-Apochromat Magnification: 20× Numerical Aperture (NA): 0.75 Optical System: Infinity-corrected (∞) Cover Glass Thickness: 0.17 mm Thread: RMS (Royal Microscopical Society) Field Flatness: Plan (flat field across the image) Chromatic Correction: Apochromatic (highest level of color correction) Optical Performance Plan-Apochromat objectives represent ZEISS’s top-tier correction class, offering: Exceptional resolution and contrast Minimal chromatic and spherical aberration Superior color fidelity across the visible spectrum Excellent performance for brightfield, fluorescence, and advanced imaging This objective is commonly used in research, life sciences, materials analysis, and fluorescence microscopy where optical quality is critical. Condition Open box Briefly mounted for fitment verification only Not put into active use Optics are clean with no haze, fungus, scratches, or delamination observed Exterior shows only minimal handling marks consistent with open-box inspection Included ZEISS Plan-Apochromat 20x / 0.75 objective No original retail box or caps unless shown in photos Exact item shown is what you will receive Compatibility Notes Designed for infinity-corrected ZEISS microscope systems using RMS objectives. Buyer is responsible for verifying compatibility with their microscope body and tube lens configuration. Photos show the actual item for sale. FDA & Equipment Disclaimer: This item is offered for sale as laboratory equipment. It is not intended for diagnostic or clinical use involving human subjects. No medical claims are made. Buyer assumes all responsibility for proper application and compliance.