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MEIJI 99914 Flat Field Din Objective Lens S. 4/0.10 160/0.17

99914 Meiji Japan Sn S. Flat Field 4/0.10 160/0.17 Din Objective Lens - Used

( Brand: Meiji ), ( Manufacturer Part Number: 99914 ), ( 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 99914 Flat Field 4x/0.10 (160x/0.17) DIN Objective Lens** is a meticulously engineered optical component designed to deliver exceptional clarity and precision in microscopy applications, particularly within compound light microscopes. This objective lens combines advanced optical design with robust mechanical construction to provide an unparalleled viewing experience for both educational and professional use. With a nominal magnification of **4x**, it offers a broad field of view, making it ideal for low-power observations where a wide area of the specimen must be examined at once. The **0.10 numerical aperture (NA)** ensures sufficient light transmission for bright-field illumination, while the **160x/0.17 DIN** designation indicates its compatibility with standard DIN microscope tube lengths, ensuring seamless integration with most modern microscopes. The **"flat field"** designation signifies that this lens is corrected for curvature of field, meaning the image remains sharply focused across the entire field of view without distortion, which is particularly beneficial for capturing high-quality images or documenting specimens with minimal aberrations. Constructed with high-quality optical glass and precision-ground surfaces, the lens minimizes chromatic and spherical aberrations, delivering a crisp, distortion-free image even at lower magnifications. Its durable metal housing and precise threading ensure stable mounting and long-term reliability, making it a dependable choice for both laboratory and classroom settings. Whether used for general biology, histology, or materials science, the Meiji 99914 excels in providing a stable, high-quality optical performance that enhances the efficiency and accuracy of microscopic examinations.

### **Pros and Cons of the Meiji 99914 Flat Field 4/0.10 (160/0.17 DIN) Objective Lens**

#### **Pros**

1. **High Numerical Aperture (NA) for Low Magnification**

- The lens has an NA of 0.17 (160/0.17 DIN), which is relatively high for a 4x objective. This allows for better light gathering and improved resolution compared to standard 4x objectives with lower NA values, making it useful for bright-field and phase-contrast microscopy.

2. **Flat Field Design**

- The "flat field" designation means the lens is optimized to minimize distortion and curvature of field, ensuring a more uniform image across the entire field of view. This is particularly useful for imaging large samples or when capturing wide-field images.

3. **Compatibility with Standard Microscopes**

- This lens follows the DIN standard (160/0.17), which is widely compatible with most modern microscopes, including those from Meiji, Olympus, Nikon, and Leica. It should fit standard 4x objective holders without modification.

4. **Good for Low-Magnification Applications**

- A 4x objective is ideal for scanning large samples, low-power observation, and general overview imaging. The improved NA helps in capturing clearer details than a standard 4x lens might provide.

5. **Durable and Reliable Construction**

- Meiji objectives are generally well-built, with sturdy metal housings and precise optics. This lens is likely to be durable for routine laboratory use.

6. **Cost-Effective Alternative to Brand-Name Objectives**

- Compared to high-end objectives from brands like Olympus or Zeiss, the Meiji lens offers a more affordable option without sacrificing too much in terms of performance for basic to intermediate microscopy needs.

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#### **Cons**

1. **Lower Resolution Compared to High-End Objectives**

- While the NA of 0.17 is decent for a 4x lens, it is still lower than what premium objectives (e.g., Olympus UPlanSApo 4x NA 0.16 or Zeiss Plan-Apochromat 4x NA 0.16) offer. High-end objectives often include advanced coatings and corrections for even better image quality.

2. **Potential for Chromatic Aberration**

- Lower-cost objectives may exhibit slight chromatic aberration, where different wavelengths of light focus at slightly different points, leading to color fringing. This is less pronounced in high-quality objectives but can be noticeable in budget lenses.

3. **Limited Use in Advanced Techniques**

- This lens is not optimized for high-resolution techniques like fluorescence, differential interference contrast (DIC), or confocal microscopy. For such applications, specialized objectives are required.

4. **Field of View Limitations**

- While the flat field design helps, the field of view at 4x magnification is still limited compared to lower-power scanning objectives (e.g., 1x or 2x). For very wide-field imaging, a lower magnification might be more practical.

5. **Potential for Misalignment or Poor Focus**

- Like all objectives, this lens requires proper alignment and focus adjustment. If not used carefully, it may suffer from poor focus or misalignment, especially if the microscope s infinity-corrected or finite-tube optics are not properly matched.

6. **Durability Concerns with Heavy Use**

- While Meiji objectives are generally robust, heavy or rough handling (e.g., dropping the lens or exposing it to extreme conditions) could damage the optics or housing. This is a risk with any objective, but budget lenses may be more susceptible to long-term wear.

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### **Conclusion**

The Meiji 99914 4x/0.10 (160/0.17 DIN) flat field objective lens is a solid choice for users who need a reliable, low-magnification objective for general microscopy tasks. Its flat field design and moderate NA make it suitable for bright-field and phase-contrast applications where image uniformity is important. It is also a cost-effective alternative to brand-name objectives, making it accessible for educational or budget-conscious laboratories.

However, it is not ideal for high-resolution or advanced microscopy techniques. Users expecting near-perfect optical performance, such as those working in fluorescence or high-end research, may find that higher-end objectives from Olympus, Zeiss, or Nikon offer superior image quality. For basic to intermediate microscopy needs such as scanning slides, low-power observation, or routine lab work the Meiji lens provides a practical and affordable solution.

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### **Recommendation**

- **Buy the Meiji 99914 if:**

- You need a 4x objective for general bright-field or phase-contrast microscopy.

- You are working within a budget and do not require the highest optical performance.

- Your microscope is compatible with DIN-standard objectives (most are).

- You prioritize durability and simplicity over cutting-edge resolution.

- **Consider a higher-end alternative (e.g., Olympus UPlanSApo 4x, Zeiss Plan-Apochromat 4x) if:**

- You require the best possible image quality for research or advanced techniques.

- You frequently use fluorescence or high-resolution imaging.

- You need minimal chromatic aberration and maximum clarity.

For most users in educational settings, general laboratories, or hobbyist microscopy, the Meiji lens is a **good, practical choice**. However, professionals or those with demanding imaging requirements should weigh the trade-offs carefully.

Details:

Flat Field 4/0.10 160/0.17 DIN Objective Lens - Used,: Brand: Meiji. Condition: Used in Great Condition. Meiji Japan SN 99914 Type: Objective Lens.

part #: 99914 price

  • $30.10

specifications microscopepartzo:

  • brand: Meiji
  • mpn: 99914
  • part type: Len
  • country of origin: Japan

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  • started: February 10, 2026
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  • condition: Used
  • Medical/Lab Equipment Attachments Accessories > Microscope Parts Accessories > Other Microscope Parts Accessories
part type: len, country of origin: japan,
category: business & industrial > medical/lab equipment attachments accessories > microscope parts accessories, sku: 12262441804540881,
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