Zeiss Achroplan 100x/1.25 Ph2 Oil Immersion Objective - Infinity Corrected 🔬 High numerical aperture (1.25) for exceptional resolution at 100x magnification 🎯 Phase contrast Ph2 optics for high-contrast imaging of unstained specimens ♻️ Infinity-corrected optical system compatible with modern Zeiss microscopes ✨ Excellent condition - save 65% compared to new list price of $2,250 🔧 Product Description The Zeiss Achroplan 100x/1.25 Ph2 objective is a high-performance oil immersion lens engineered for demanding biological microscopy applications requiring maximum resolution and contrast. With a numerical aperture of 1.25, this objective delivers the resolving power necessary to visualize subcellular structures, bacterial morphology, and fine tissue details that remain invisible at lower magnifications. The integrated Ph2 phase contrast ring transforms this objective into a powerful tool for live cell imaging, enabling researchers to observe cellular dynamics, organelle movement, and morphological changes in real time without the need for staining or fixation. The achroplan optical design provides excellent color correction and flat-field imaging across the entire field of view, ensuring accurate documentation and analysis. As an infinity-corrected objective, this lens is designed for modern Zeiss microscope systems and is fully compatible with intermediate optical components such as DIC prisms, fluorescence filter cubes, and camera adapters without introducing optical aberrations. The RMS threading ensures broad compatibility across Zeiss platforms. With a working distance of 0.19mm, this objective requires proper immersion oil technique and thin coverglass (0.17mm) for optimal performance. Catalog number 440081. 🔎 Typical Applications High-resolution phase contrast microscopy of living cells Microbiology and bacteriology for organism identification Hematology and blood cell morphology analysis Cytology and fine cellular structure examination Pathology and histopathology at maximum magnification Quality control in pharmaceutical and biotechnology industries Research microscopy requiring subcellular resolution Educational laboratories for advanced microscopy training 📊 Key Specifications Specification Details Magnification 100x Numerical Aperture (NA) 1.25 Working Distance 0.19 mm Optical Design Achroplan (achromatic plan-corrected) Optical System Infinity corrected Contrast Method Phase contrast Ph2 Immersion Medium Oil (n=1.518 recommended) Coverglass Thickness 0.17 mm (standard #1.5) Thread Type RMS Manufacturer Carl Zeiss (Germany) Catalog Number 440081 SKU 440081 Condition Excellent - professionally inspected and tested Original List Price $2,250 University purchase orders accepted. Contact us for technical specifications, immersion oil recommendations, or institutional pricing. Thank you for viewing, and please feel free to call or email with any questions.
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