ZEISS 426980-9020-000 Plasdic Slider Plan 10X/0.25

( Brand: Zeiss ), ( EAN: 4269809020000 )

Review ZEISS Plasdic Slider A plan 10x/0.25

The **Zeiss 426980-9020-000 PLASDiC Slider A-Plan 10x/0.25** is a precision-engineered optical accessory designed to elevate the performance and versatility of Zeiss microscope systems, particularly those equipped with the A-Plan series of objectives. This innovative PLASDiC (Plan-Apochromatic Slide Correction) slider is a specialized component that corrects for spherical aberrations and enhances image clarity when working with thick or uneven glass slides, a common challenge in biological and materials research. Engineered with Zeiss s signature optical expertise, the slider features a robust, corrosion-resistant construction, ensuring long-term durability in demanding laboratory environments. Its 10x magnification objective, paired with a numerical aperture of 0.25, delivers a balanced field of view ideal for routine tissue examination, cell culture observation, or low-power surveying of larger specimens. The PLASDiC mechanism itself is a groundbreaking innovation, dynamically adjusting the optical path to compensate for variations in slide thickness, thereby maintaining sharp, distortion-free imagery without the need for manual focus adjustments. This slider is particularly well-suited for applications requiring high-throughput imaging, such as histology, cytology, or quality control in pharmaceutical and biotechnology sectors, where consistency and precision are paramount. Its seamless integration with Zeiss s A-Plan objectives ensures compatibility with a wide range of microscope models, including those used in fluorescence, phase-contrast, or brightfield configurations, making it a versatile addition to any advanced microscopy setup. Whether used in academic research, clinical diagnostics, or industrial analysis, the Zeiss 426980-9020-000 PLASDiC Slider A-Plan 10x/0.25 exemplifies the brand s commitment to pushing the boundaries of optical performance, offering researchers and technicians a reliable tool to achieve superior imaging results with minimal effort.

The Zeiss 426980-9020-000 PLASDIC Slider A-Plan 10x/0.25 objective is a specialized component primarily used in advanced microscopy applications, particularly for fluorescence and high-resolution imaging. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **High Numerical Aperture (NA) for Fluorescence Imaging**

The 0.25 NA might seem low for brightfield, but it is optimized for fluorescence microscopy, where lower NA objectives often provide better penetration depth and reduced photobleaching. This makes it suitable for thick samples or deep tissue imaging.

2. **Corrected for Fluorescence (PLASDIC Design)**

The PLASDIC (Plan Apochromatic, Low Dispersion, Immersion Corrected) design ensures minimal chromatic and spherical aberrations, which is critical for fluorescence imaging where color accuracy and sharpness are essential. This reduces the need for additional correction collars or manual adjustments.

3. **Compatibility with Zeiss Microscopes**

As a Zeiss objective, it is engineered to work seamlessly with Zeiss microscopes, particularly those equipped with fluorescence illumination systems. This ensures optimal performance in terms of alignment, focus, and image quality.

4. **Durability and Precision**

Zeiss objectives are known for their robust construction and precision engineering. The slider mechanism (if functional) allows for quick switching between objectives, which can be useful in multi-objective setups.

5. **Long Working Distance**

While the exact working distance isn t specified, objectives with lower NA often have longer working distances, which can be advantageous for imaging thick or opaque samples without damaging them.

6. **Specialized for Specific Applications**

If your research or imaging application requires a 10x objective with these specific corrections (e.g., fluorescence in biological samples), this objective is tailored to those needs, potentially outperforming generic alternatives.

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### **Cons**

1. **Limited Brightfield Usefulness**

The 0.25 NA is too low for high-resolution brightfield imaging, which typically requires higher NA objectives (e.g., 0.4 or higher). If you need brightfield capabilities, this objective may not be sufficient.

2. **Potential for Aberrations in Non-Fluorescence Applications**

While corrected for fluorescence, it may not perform optimally for other imaging modalities (e.g., phase contrast, DIC) without additional adjustments or accessories.

3. **Cost**

Zeiss objectives are expensive, especially for specialized designs like PLASDIC. The price may be prohibitive for casual users or those on a tight budget, particularly if the objective is only needed for occasional use.

4. **Compatibility Issues with Non-Zeiss Systems**

While it will work mechanically with most microscopes, the optical performance may not be as optimized as it would be on a Zeiss system. Some fluorescence alignment or illumination settings may need manual tuning.

5. **Slider Mechanism Reliability**

The "slider" feature (if it refers to a quick-change turret or manual switching mechanism) could introduce potential points of failure or misalignment if not maintained properly. Some users may prefer fixed objectives for stability.

6. **Limited Availability of Spare Parts**

Older or discontinued models may have limited availability of replacement parts or technical support, which could be a concern for long-term use.

7. **Overkill for Basic Imaging**

If your primary needs are low-magnification brightfield or general-purpose imaging, a lower-cost alternative (e.g., a standard 10x/0.25 brightfield objective) may suffice without the specialized corrections.

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### **Conclusion**

The Zeiss 426980-9020-000 PLASDIC Slider A-Plan 10x/0.25 objective is a high-quality, specialized tool designed for fluorescence microscopy applications where precision, correction for chromatic aberrations, and compatibility with Zeiss systems are priorities. It excels in scenarios requiring deep tissue imaging, fluorescence, or applications where aberrations must be minimized. However, its limitations in brightfield imaging, high cost, and niche applicability mean it may not be the best choice for general-purpose or brightfield-focused microscopy.

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### **Recommendation**

- You are working exclusively or primarily with fluorescence microscopy and require a 10x objective with minimal aberrations.

- Your microscope is a Zeiss system, and you need an objective that integrates seamlessly with its optics.

- Your samples are thick or opaque, and you need the depth penetration and reduced photobleaching that lower NA objectives provide.

- Budget is not a constraint, and you value the durability and precision of Zeiss optics.

- You primarily use brightfield, phase contrast, or other non-fluorescence imaging techniques.

- You are working with a non-Zeiss microscope and cannot optimize the objective s performance manually.

- Your budget is limited, and you can achieve similar results with a lower-cost alternative.

- You do not require the specialized corrections offered by the PLASDIC design (e.g., if you use a different fluorescence filter set).

- For fluorescence: A lower-cost 10x/0.4 NA objective from a different manufacturer (e.g., Nikon, Olympus) if Zeiss compatibility is not critical.

- For brightfield: A standard 10x/0.25 or 10x/0.30 objective from a budget-friendly brand.

- For multi-purpose use: A 20x objective with a higher NA (e.g., 0.4 0.75) that can serve both brightfield and fluorescence needs.

Details:

Free USPS Ground Advantage Shipping. Actual photos of the item listed. Zeiss, PlasDIC Slider A-Plan 10x/0.25Catalog # -000. Excellent, like new condition.

part #: 4269809020000 price

• $225.00

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