Nikon TU Plan Fluor 50x Reflected Light Objective

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Nikon TU Plan Fluor 50× Microscope Objective The Nikon TU Plan Fluor 50× Objective is a high-performance fluorite objective designed for transmitted-light upright microscopy, deliv ering excellent contrast, flat-field correction, and high resolution across the field of view. Engineered for demanding laboratory and research environments, this objective is well suited for brightfield and contrast-enhancing techniques where clarity and color fidelity are critical. With Nikon’s Plan Fluor optical design, the TU Plan Fluor 50× provides improved chromatic correction over standard achromats, making it ideal for routine research, clinical, and educational microscopy. Key Features 50× Magnification – Ideal balance of resolution and working distance Plan Fluor Optical Design – Flat field with enhanced chromatic correction High Image Contrast – Excellent detail for transmitted-light applications Infinity-Corrected Optics – Compatible with Nikon infinity microscope systems Nikon OEM Quality – Precision-manufactured for long-term reliability Typical Applications Brightfield microscopy Phase contrast (model-dependent compatibility) Routine biological and clinical microscopy Materials inspection and laboratory analysis Compatibility Microscope Type: Nikon upright microscopes (infinity-corrected systems) Illumination: Reflected light Condition Condition: New Status: Professionally inspected and tested for optical clarity, smooth threading, and performance What’s Included Nikon TU Plan Fluor 50× Objective Secure professional packaging Purchasing & Support Inspected and supported by Spach Optics. Our team is available to confirm compatibility with your Nikon microscope and imaging technique prior to purchase. ------------------------------------------------------- Technical Specifications: Core Optical Specifications Magnification: 50x Numerical Aperture (NA): 0.80 Working Distance (WD): 1.0 mm Focal Length: 4.0 mm Field Number (FN): 25 mm (flatness corrected up to 25 mm) Depth of Field: 0.26 µm Resolving Power: 0.42 µm (using 550nm wavelength light) Mechanical & Physical Design Optical System: CFI60 (Chrome Free Infinity-2) Parfocal Distance: 60 mm Mounting Thread: M25 x 0.75 mm Objective Length: 48.9 mm (excluding mounting threads) Spring-Loaded Tip: Yes (retractable nose tip protects specimens from crash damage) Weight: 142 grams (approximate) Material & Environmental Cover Glass Thickness: 0 mm (designed for un-covered specimens, wafers, and metallurgy) Immersion Medium: Dry / Air Glass Composition: Eco-glass (lead-free and arsenic-free optics) Lens Coatings: Advanced anti-reflective multi-coatings for minimized flare and maximized contrast Show more