Enhance your laboratory's imaging capabilities with this authentic Nikon Plan Fluor 4X Phase Contrast microscope objective lens. Unlike standard brightfield lenses, this specific model features a Phase Low, Dark Contrast (PhL DL) phase ring, making it an essential component for observing unstained, transparent specimens such as living cells in tissue culture applications.
Technical Specifications Engraved on Barrel:
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Brand: Nikon
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Series: Plan Fluor (Fluorite for superior color correction and high transmission)
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Magnification: 4X
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Numerical Aperture (NA): 0.13
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Contrast Method: Phase Contrast (PhL DL - Phase Low, Dark Contrast)
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Optical System: Infinity Corrected with 1.2mm Cover Glass Correction (∞/1.2) - Optimized for observing through thick plastic petri dishes or culture flasks.
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Working Distance (WD): 16.5 mm
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Field Number (FN): OFN25
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Mounting Thread: Measured at 24.88 mm (Standard Nikon CFI60 thread)
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Part Number: MRH20045
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Origin: Made in China
Condition Report: This objective is in outstanding optical and mechanical condition. The champagne-finish barrel and green text engravings are pristine. The mounting threads show minimal to no wear. Both the front and rear optical elements are completely clear, with no scratches, fungus, haze, or delamination. The internal phase ring is fully intact. It includes its original protective plastic vial and cap for secure storage.
Compatible with Nikon Eclipse series inverted microscopes (such as Ts2, Ti, Ti2) and other infinity-corrected systems configured for PhL phase contrast.
Frequently Asked Questions (FAQ)
Q: Is this item new or used?
A: This is a used item. The pictures show the exact product you will receive.
Q: What if there is a problem with the item?
A: Please record an unboxing video upon delivery. If any issue is found, you can return or exchange the item within 15 days.
Q: When should I make the payment?
A: Please complete payment within 5 business days. We will ship your order within 5 business days after payment is confirmed (excluding Fridays, Saturdays, and Jewish holidays).
Q: Where is the item shipped from and how?
A: We ship from China, and we will provide a registered tracking number.
Shipping methods:
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Regular Air Mail: approx. 11–30 business days
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EMS: approx. 8–15 days, door-to-door
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UPS/DHL (extra cost): approx. 6–10 days
Q: How much is the shipping fee?
A: Free shipping within the United States. For South America and remote areas, please contact us first to confirm whether we can ship, as extra shipping fees may apply.
Q: Do you offer after-sales service?
A: Yes, we provide 30-day after-sales warranty. If any quality issue occurs within 30 days of receiving the item, please contact us immediately. We will offer support including repair, replacement, or refund.
