Carl Zeiss West Germany Epiplan-NEOFLUAR 20x / 0.50 HD Microscope Objective | MPN 442344

Up for sale is a professional-grade Carl Zeiss Epiplan-NEOFLUAR 20x reflected-light microscope objective lens (Part Number: 44 23 44). Precision-engineered in West Germany, this premium infinity-corrected optic is built for high-performance industrial inspection, materials science, metallurgy, and semiconductor failure analysis.

This heavy-hitting industrial objective features an HD (Brightfield/Darkfield) rating, allowing seamless switching between standard brightfield illumination and high-contrast darkfield surface defect analysis without changing lenses.

Key Features & Technical Specifications:

• Manufacturer: Carl Zeiss (West Germany)

• Model: Epiplan-NEOFLUAR HD

• Part Number (MPN): 44 23 44 / 442344

• Magnification: 20x

• Numerical Aperture (NA): 0.50

• Optical System: Infinity Corrected (\infty / 0)

• Specimen Type: Optimized for Uncovered Specimens (No Cover Glass)

• Illumination Type: Reflected Light, Brightfield & Darkfield (HD / BD)

• Mounting Thread: Standard Zeiss M27 Thread Pitch (Axio Series Compatible)

Target Applications & Disciplines:

This infinity-corrected lens is specifically optimized for advanced industrial microscopy applications including:

• Semiconductor Quality Control: Inspection of silicon wafers, MEMS micro-machining, and integrated circuit (IC) trace diagnostics.

• Metallurgy & Metallurgy Materials Science: Microstructural analysis of polished metals, grain boundary evaluations, and composite alloy testing.

• Failure Analysis: High-sensitivity detection of microscopic surface scratches, cracks, and contamination using specialized darkfield illumination.

Item Condition:

This objective is in excellent functional and aesthetic condition. The outer chrome housing and text engravings are clean and legible with only minimal cosmetic storage wear. The front and rear glass elements are bright and clear—completely free of internal haze, delamination rings, wiping marks, or scratches. The threads are untooled and screw into a standard nosepiece smoothly.

Please inspect the included high-resolution photos to verify the pristine condition of the optics and barrel specifications before buying.