The Olympus ULWD MSPlan 50x/0.55 is a genuine OEM ultra long working distance reflected light objective for Olympus BH2, BX, and MX series industrial microscopes, delivering 8.10mm of working distance at 50x magnification — enabling high-resolution inspection of tall, packaged, or recessed specimens that standard objectives cannot reach. • 🔬 50x / 0.55 NA ultra long working distance — 8.10mm WD provides clearance for tall specimens, packages, and recessed features• ♾️ Infinity corrected — compatible with Olympus infinity-corrected reflected light optical systems• ⚙️ RMS thread mount — fits Olympus BH2, BX, and MX series reflected light microscope nosepieces• 🔦 Reflected light (MSPlan) design — optimized for epi-illumination on opaque specimens without coverslip• ✨ Excellent condition, flawless optics — inspected and verified, part no. 1-LM556• 🎓 University purchase orders accepted 🔧 Product Description The Olympus ULWD MSPlan 50x is an ultra long working distance reflected light objective from the MSPlan series, designed for industrial inspection applications where standard working distance objectives cannot physically reach the specimen surface. At 8.10mm working distance with 50x magnification and 0.55 NA, this objective provides the clearance needed to inspect tall semiconductor packages, wire-bonded devices, MEMS structures, ceramic substrates, and other specimens with significant topographic relief or protective enclosures. The MSPlan optical design is optimized for reflected (epi) illumination on opaque specimens without coverslip, delivering flat, well-corrected images across the field. The infinity-corrected optical design integrates with Olympus BH2, BX, and MX series reflected light stands and vertical illuminators. The RMS thread mount provides direct compatibility with standard Olympus nosepieces. Supplied as a genuine Olympus OEM objective (part no. 1-LM556) in excellent condition with flawless optics. 🔎 Typical Applications • Semiconductor package and wire bond inspection requiring clearance over tall structures• MEMS, ceramic substrate, and PCB inspection with significant topographic relief• Inspection of recessed features, cavities, and enclosed specimens at 50x magnification• Industrial quality control requiring high magnification with extended working distance• Replacement or upgrade of 50x ULWD objectives on Olympus BH2, BX, and MX series systems 📊 Key Specifications Specification Details Manufacturer Olympus Model ULWD MSPlan 50x Part Number 1-LM556 Magnification 50x Numerical Aperture 0.55 Working Distance 8.10 mm (Ultra Long) Optical Design MSPlan (Reflected Light, No Coverslip) Correction Infinity Corrected Thread Mount RMS Compatible Systems Olympus BH2, BX, and MX Series Reflected Light Microscopes Country of Origin Japan Condition Excellent / Flawless Optics University and institutional customers are welcome to submit purchase orders. Please contact us for net terms and procurement documentation.
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