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MEIJI 99992 Flat Field Din Objective Lens S. 4/0.10 160/0.17

99992 Meiji Japan Sn S. Flat Field 4/0.10 160/0.17 Din Objective Lens - Used

( Brand: Meiji ), ( Manufacturer Part Number: 99992 ), ( Part Type: Len ), ( Country Of Origin: Japan )

Review MEIJI Japan Sn Flat Field 4/0.10 160/0.17 Din Objective Lens Used

The **Meiji 99992 Flat Field 4/0.10 (160/0.17 DIN) Objective Lens** is a meticulously engineered optical component designed for precision microscopy and imaging applications, offering exceptional clarity and performance for low-magnification observations. This lens, part of Meiji s high-quality optical series, features a **4x magnification** with a **0.10 numerical aperture (NA)**, making it ideal for broad-field viewing and low-power microscopy tasks where wide fields of view and shallow depth of field are required. The **160/0.17 DIN** designation adheres to the German Industry Norm (DIN) standard, ensuring compatibility with most standard microscope systems while maintaining consistent optical performance across different setups.

Constructed with **high-refractive-index glass elements**, the Meiji 99992 objective lens minimizes chromatic aberrations and maximizes light transmission, delivering sharp, distortion-free images even at lower magnifications. Its **flat-field design** is particularly advantageous for applications requiring uniform illumination across the entire field of view, such as brightfield microscopy, photomicrography, or low-power biological observations. The lens is optimized for **K hler illumination**, ensuring even light distribution and reducing glare, which is essential for both qualitative and quantitative imaging tasks.

Built to withstand rigorous use, the Meiji 99992 is housed in a **durable metal barrel** with precise threading for seamless integration into standard microscope bodies, including those from Meiji, Olympus, Nikon, and other major manufacturers. The **0.17 working distance** provides ample space for sample manipulation, making it suitable for live cell imaging, tissue analysis, and other applications where sample access is necessary. Additionally, the lens s **parfocal design** ensures minimal adjustment is required when switching between objectives, enhancing user convenience in multi-objective setups.

Whether used in educational laboratories, industrial quality control, or research settings, the Meiji 99992 objective lens excels in delivering **crisp, high-contrast images** with minimal aberrations, making it a reliable choice for applications where low magnification and broad field coverage are critical. Its robust construction, DIN compliance, and optical precision ensure long-term performance, reinforcing Meiji s reputation for producing high-quality, cost-effective microscopy solutions.

The Meiji 99992 Flat Field 4/0.10 (160/0.17 DIN) objective lens is a specialized optical component primarily used in microscopy, particularly for low-magnification applications where a wide field of view and flat image plane are desirable. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **Flat Image Plane**

The "flat field" designation means the lens produces minimal curvature of field, which is critical for applications requiring uniform focus across the entire field of view. This is particularly useful in low-magnification microscopy (e.g., 4x) where a large area needs to be observed without focusing adjustments.

2. **Wide Field of View**

At 4x magnification, this lens provides a broad field of view, making it suitable for examining large samples or surveying extensive areas quickly. This is advantageous in fields like histology, materials science, or biological specimen observation where overview imaging is necessary before zooming in.

3. **Compatibility with DIN Standards**

The lens adheres to the DIN (Deutsche Industrie Norm) standard, which ensures compatibility with a wide range of DIN-standardized microscope systems. This makes it easier to integrate into existing setups without requiring additional adapters or modifications.

4. **Low Magnification Utility**

The 4x magnification is ideal for preliminary observations, low-power imaging, or applications where high magnification is unnecessary. It reduces the need for additional objectives or complex imaging setups for initial sample assessment.

5. **Durability and Build Quality**

Meiji objectives are generally known for their robust construction, which can withstand frequent use and handling. The lens is likely built to last, especially if used within its specified parameters.

6. **Cost-Effective for Low-Magnification Needs**

Compared to higher-magnification objectives, this lens is relatively affordable. For users who primarily require low-magnification imaging, it offers a practical solution without the expense of a full objective suite.

7. **Versatility in Applications**

Beyond microscopy, this lens can be used in other optical systems where a flat-field, low-magnification lens is required, such as certain types of imaging setups or optical inspection tools.

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### **Cons**

1. **Limited Magnification Range**

The lens is fixed at 4x magnification, which restricts its use to low-power applications. Users requiring higher magnification (e.g., 10x, 40x, or 100x) will need to purchase additional objectives separately, increasing the overall cost.

2. **Potential for Lower Image Quality at Extremes**

While the flat field design is beneficial, the optical quality at the edges of the field may not be as sharp as higher-end objectives, especially in comparison to premium brands like Zeiss, Nikon, or Olympus. This could affect fine detail resolution in some applications.

3. **Working Distance Limitations**

The working distance (the distance between the lens and the specimen) is relatively short for a 4x objective. This may limit the type of samples that can be observed, particularly thicker or bulky specimens that require more space between the lens and the slide.

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

If your microscope is not DIN-standardized (e.g., it uses a different thread size or mounting system), this lens may not fit without an adapter. Always verify compatibility before purchasing.

5. **No Built-In Correction for Common Optical Aberrations**

Lower-cost objectives like this one may not fully correct for aberrations such as chromatic or spherical aberration, which can affect image clarity and color fidelity, particularly when using white light or broadband illumination.

6. **Potential for Lower Resolution**

Compared to higher-quality objectives, this lens may not achieve the same level of resolution or contrast. Users requiring fine structural details (e.g., cellular or subcellular imaging) may find it insufficient.

7. **Limited Availability of Accessories**

Meiji objectives, while durable, may have fewer accessories or support options compared to more established brands. This could make maintenance or upgrades more challenging.

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### **Conclusion**

The Meiji 99992 Flat Field 4/0.10 (160/0.17 DIN) objective lens is a practical and cost-effective solution for users who primarily require low-magnification, wide-field imaging with a flat image plane. It excels in applications where a broad view is necessary, such as initial sample assessment, surveying large specimens, or non-critical imaging tasks. However, it is not suitable for high-resolution or high-magnification work, and its optical quality may not match that of premium objectives.

The lens is best suited for:

- Educational settings where budget constraints are a factor.

- Basic biological or materials science imaging where fine detail is not critical.

- Users who already own a DIN-compatible microscope and need a low-cost, functional 4x objective.

It is less ideal for:

- Applications requiring high resolution, contrast, or correction for optical aberrations.

- Users who need a versatile objective suite with multiple magnifications.

- Systems where the microscope is not DIN-standardized.

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### **Recommendation**

If your primary need is for a reliable, affordable 4x objective with a flat field for general-purpose microscopy and you are working within a DIN-compatible system, the Meiji 99992 is a solid choice. It offers good value for its intended use and can serve as a useful addition to a low-budget microscope setup.

However, if your work involves detailed imaging, high magnification, or requires the highest optical performance, consider investing in a higher-quality objective from brands like Zeiss, Nikon, or Olympus. These lenses will provide superior resolution, contrast, and correction for aberrations, though at a higher cost.

For users who anticipate needing multiple magnifications, purchasing a full objective suite from a reputable brand may be more cost-effective in the long run, even if it means starting with a higher-magnification lens and adding lower magnifications later.

Ultimately, weigh your specific requirements against the lens s limitations to determine whether it aligns with your imaging needs. If budget and compatibility are not concerns, prioritizing optical quality may yield better long-term results.

Details:

Meiji Japan SN 99992 Type: Objective Lens. Condition: Used in Great Condition. Flat Field 4/0.10 160/0.17 DIN Objective Lens - Used,: Brand: Meiji.

part #: 99992 price

  • $30.10

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  • brand: Meiji
  • mpn: 99992
  • part type: Len
  • country of origin: Japan

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part type: len, country of origin: japan,
category: business & industrial > medical/lab equipment attachments accessories > microscope parts accessories, sku: 12260161904540881,
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