1. Microscope Parts Lab Equipment For Sale
  2. sku: 12266804604540881
  3. MEIJI 99611

MEIJI 99611 Din Objective Lens Great 100X/1.25

99611 Meiji Japan Sn 100x/1.25 Din Objective Lens - Used In Great Condition

( Brand: Meiji ), ( Manufacturer Part Number: 99611 ), ( Part Type: Len ), ( Country Of Origin: Japan )

Review MEIJI Japan Sn 100x/1.25 Din Objective Lens Used In Great Condition

The **Meiji 99611 100x/1.25 DIN Objective Lens** is a meticulously crafted, high-performance optical component designed for advanced microscopy applications, offering exceptional clarity, precision, and versatility for researchers, educators, and professionals in biological, medical, and materials sciences. Engineered with a **100x magnification** and a **numerical aperture (NA) of 1.25**, this objective lens delivers an unparalleled level of resolution and light-gathering capability, making it ideal for examining fine cellular structures, thin tissue sections, and high-contrast specimens with remarkable detail. The **DIN (Deutsche Industrie Norm) standard** ensures seamless compatibility with a wide range of modern microscopes, including those equipped with standard 1.25" or 23.2 mm tube lengths, while its **immersion-free design** eliminates the need for oil or other immersion media, simplifying sample preparation and reducing potential contamination risks.

Constructed from **high-quality optical glass** and precision-ground surfaces, the Meiji 99611 excels in minimizing chromatic and spherical aberrations, ensuring sharp, distortion-free images across the entire field of view. Its **parfocal design** allows for effortless switching between objectives without significant refocusing, a critical feature for multi-objective setups where consistency and efficiency are paramount. The lens is housed in a **durable, corrosion-resistant metal barrel**, often finished in a professional black or silver tone, which not only enhances its aesthetic appeal but also protects against physical damage during handling or storage. Additionally, the **front element is coated with a multi-layer anti-reflective (AR) finish**, which maximizes light transmission and reduces glare, further enhancing image brightness and contrast essential for capturing high-quality photographs or videos of delicate specimens.

Beyond its technical specifications, the Meiji 99611 stands out for its **rugged yet precise construction**, making it a reliable choice for both laboratory and field applications. Whether used in conjunction with phase-contrast, brightfield, or fluorescence microscopy setups, this objective lens consistently delivers superior optical performance, enabling users to explore microscopic worlds with unprecedented clarity. Its **universal compatibility** with DIN-standard microscopes, combined with its **durability and optical excellence**, positions it as a valuable addition to any microscopy workflow, whether for routine diagnostic work, educational demonstrations, or cutting-edge research. For those seeking a balance of high magnification, optical precision, and ease of use, the Meiji 99611 100x/1.25 DIN Objective Lens represents an outstanding investment in microscopy technology.

The Meiji 99611 100x/1.25 NA objective lens is a high-magnification, dry objective designed for light microscopy, particularly for use with compound microscopes. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

---

### **Pros of the Meiji 99611 100x/1.25 NA Objective Lens**

1. **High Magnification and Resolution**

The 100x magnification provides fine detail, making it ideal for examining small specimens such as cells, bacteria, or fine tissue structures. The 1.25 numerical aperture (NA) offers decent light-gathering capability for dry objectives, improving resolution compared to lower NA lenses.

2. **Compatibility with Standard Microscopes**

This lens is designed for use with DIN (Deutsche Industrie Norm) microscopes, which are widely used in laboratories worldwide. It should fit most standard compound microscopes with a 1.25-inch objective mount, though compatibility depends on the microscope s optical design (e.g., infinity or finite optics).

3. **Durability and Build Quality**

Meiji is a reputable brand known for producing durable optical components. The 99611 lens appears to be constructed with precision-ground glass elements and metal housing, which can withstand regular laboratory use if handled properly.

4. **Cost-Effective for High Magnification**

Compared to some premium brands like Zeiss or Olympus, the Meiji 99611 offers high magnification at a relatively lower price point. This makes it an attractive option for students, educators, or hobbyists on a budget who still need a reliable 100x lens.

5. **Wide Availability and Replacement Parts**

Meiji lenses are commonly found in used microscope markets, making it easier to source replacements or additional objectives if needed. Spare parts and cleaning supplies are also widely available.

6. **Good for Teaching and Educational Purposes**

The lens is suitable for demonstrating high-magnification microscopy in educational settings, such as biology labs or classrooms, where cost is a consideration.

7. **Minimal Chromatic Aberration (Compared to Cheaper Alternatives)**

While not as corrected as high-end objectives, the Meiji 99611 performs better than very low-budget lenses in terms of color fidelity and image clarity at 100x magnification.

---

### **Cons of the Meiji 99611 100x/1.25 NA Objective Lens**

1. **Limited Numerical Aperture for Dry Objectives**

A 1.25 NA is relatively low for a 100x dry objective. Higher NA dry objectives (e.g., 1.4 NA) provide significantly better resolution and light-gathering ability. This lens may struggle with very fine details or specimens that require higher contrast.

2. **Potential for Lower Image Quality Compared to Premium Brands**

While the Meiji lens is decent for its price, it may not match the optical performance of high-end objectives from brands like Nikon, Olympus, or Zeiss. Users may notice slight softness, chromatic aberration, or reduced contrast, especially when used with lower-quality microscopes.

3. **Requires Proper Illumination**

A 100x lens demands bright, even illumination to achieve optimal results. If the microscope s light source or condenser is inadequate, the image quality will suffer. Some users may need to invest in a high-quality condenser or K hler illumination setup.

4. **Working Distance is Very Short**

The working distance (the distance between the lens and the slide) for a 100x objective is typically very short often around 0.1 0.2 mm. This makes it difficult to focus on thick specimens or those on uneven surfaces. Users must ensure their slides are perfectly flat and thin.

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

While DIN standards are widely followed, some microscopes may have slight variations in objective mount spacing. A poorly aligned lens can lead to misfocused images or mechanical stress on the microscope s nosepiece.

6. **Limited Use with Oil Immersion**

This is a dry objective, meaning it cannot be used with immersion oil. For even higher resolution, users would need a separate oil immersion objective (e.g., 100x/1.25 or 1.4 NA with oil).

7. **Durability Concerns with Improper Handling**

High-magnification lenses are delicate. Scratches, dust, or improper cleaning can permanently damage the optical surfaces. Users must handle the lens with care and use appropriate cleaning techniques.

8. **Compatibility Issues with Non-DIN Microscopes**

If the microscope is not DIN-compliant (e.g., some Japanese or older European models), the lens may not fit correctly or may cause misalignment.

---

### **Conclusion**

The Meiji 99611 100x/1.25 NA objective lens is a practical choice for users who need high magnification on a budget. It offers decent performance for educational or basic laboratory use, provided the microscope s optics and illumination are adequate. However, it is not a premium-grade lens and may fall short in terms of resolution, contrast, and image clarity compared to higher-end alternatives.

For serious research, clinical work, or applications requiring the highest possible resolution, investing in a higher-quality objective (e.g., from Nikon, Olympus, or Zeiss) would be justified. However, for students, hobbyists, or those working with relatively simple specimens, the Meiji lens provides a cost-effective way to achieve 100x magnification without breaking the bank.

---

### **Recommendation**

- **Buy the Meiji 99611 if:**

- You are a student, educator, or hobbyist on a budget who needs a reliable 100x objective for basic microscopy.

- Your microscope is well-maintained, has adequate illumination, and is compatible with DIN objectives.

- You primarily work with thin, flat specimens (e.g., stained slides, bacteria, or small tissue samples).

- You plan to pair it with other objectives (e.g., 4x, 10x, 40x) to cover a range of magnifications.

- **Avoid or Consider Alternatives if:**

- You require the highest possible resolution for research or clinical diagnostics. In this case, invest in a higher NA dry objective (e.g., 100x/1.4 NA) or an oil immersion objective.

- Your microscope lacks proper illumination or a high-quality condenser, as this will limit the lens s performance.

- You frequently work with thick or uneven specimens, as the short working distance may make focusing difficult.

- You are unsure about the microscope s compatibility with DIN standards, as improper fit can degrade image quality.

- **Alternative Options to Consider:**

- **Nikon Plan Apo 100x/1.4 NA (Dry):** A higher-quality dry objective with better resolution and contrast.

- **Olympus UPlanFLN 100x/1.3 NA (Dry):** Known for excellent flat-field performance and sharpness.

- **Used High-End Objectives:** Brands like Zeiss or Leica often have high-magnification objectives available secondhand at reasonable prices.

- **Budget Oil Immersion Options:** If you can invest in an oil immersion setup, a 100x/1.25 or 1.4 NA oil objective will provide superior resolution.

In summary, the Meiji 99611 is a solid entry-level 100x objective, but its limitations should be weighed against your specific needs. If cost is the primary concern and the lens fits your workflow, it is a worthwhile purchase. Otherwise, upgrading to a higher-quality objective may yield significantly better results.

Details:

Condition: Used in Great Condition. Type: Objective Lens. Meiji Japan SN 99611 100x/1.25 DIN Objective Lens - Used in Great Condition,: Brand.

part #: 99611 price

  • $23.70

specifications microscopepartzo:

  • brand: Meiji
  • mpn: 99611
  • part type: Len
  • country of origin: Japan

seller microscopepartzo:

  • city: Cookeville, Tennessee
  • rating: 100.0%
  • # reviews: 2710

shipping microscopepartzo:

  • service: USPS Ground Advantage
  • carrier: USPS
  • transit: 3-9 Days
  • class: Standard
  • type: Calculated
  • cost: $0.00

offer microscopepartzo:

  • options: Ship-to-home
  • best offers: True
  • sold: 0
  • availability: In Stock
  • started: February 10, 2026
  • quantity: 1

general microscopepartzo:

  • condition: Used
  • Medical/Lab Equipment Attachments Accessories > Microscope Parts Accessories > Other Microscope Parts Accessories

payments microscopepartzo:

  • credit card: Mastercard
  • other
  • wallet: Google-pay

returns microscopepartzo:

  • method: Money back
  • policy: Returns Accepted
  • paid by: Buyer
  • time: 30 Days
part type: len, country of origin: japan,
category: business & industrial > medical/lab equipment attachments accessories > microscope parts accessories, sku: 12266804604540881,
Meiji 99611 Is Similar To:
microscopepartzo logo
1 offer $23.70 USD
  • Used. Offer #1 priced at $23.70 + $0.00 shipping estimate = $23.70* total. Condition: Used in Great Condition. Type: Objective Lens.FREE SHIPPING

Copyright © microscopepartzo.net