OLYMPUS 1.67X Nfk Projection Lens Photomicrography Optics 125

( Brand: Olympus ), ( Manufacturer Part Number: 1.67X ), ( Model: NFK 1.67X ), ( Part Type: Len ), ( Country Of Origin: Japan ), ( Intended Use/discipline: Biological Laboratory )

Review OLYMPUS Nfk 125 Projection Lens Photomicrography Optics

The **Olympus NFK 125 Projection Lens (1.67x)** is a precision-engineered optical component designed for high-resolution photomicrography and projection applications, offering exceptional clarity and performance for both scientific and industrial imaging needs. Part of Olympus renowned line of microscopy optics, this lens is meticulously crafted to deliver superior image quality with minimal distortion, making it an ideal choice for researchers, biologists, and engineers who demand the finest detail in their microscopic observations. With a **1.67x magnification factor**, the NFK 125 lens enhances the effective aperture of the objective lens it pairs with, significantly increasing light transmission and resolving power while maintaining sharp, high-contrast projections. Its **aspheric design** ensures optimal correction for spherical aberration, chromatic aberration, and field curvature, resulting in a crisp, distortion-free image even at high magnifications. Constructed from high-quality optical glass and coated with advanced multi-layer anti-reflective surfaces, this lens minimizes flare and ghosting, allowing for precise and consistent imaging across a wide range of wavelengths. The robust, durable construction of the NFK 125 also ensures long-term stability, making it suitable for both laboratory and field applications where reliability is paramount. Whether used in conjunction with Olympus high-performance infinity-corrected objectives or integrated into projection systems for document or specimen analysis, this lens excels in applications requiring exceptional optical fidelity, from cell biology and materials science to quality control and forensic imaging. Its compatibility with Olympus broader range of microscopy accessories further extends its versatility, allowing users to seamlessly integrate it into existing setups for enhanced imaging capabilities. For professionals who require the highest standards of optical performance, the Olympus NFK 125 Projection Lens stands as a testament to precision engineering, delivering unparalleled clarity and accuracy in every photomicrograph.

The Olympus 1.67x NFK 125 Projection Lens is a specialized optical component designed for photomicrography, particularly for use with infinity-corrected microscope objectives. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Olympus 1.67x NFK 125 Projection Lens**

1. **High Magnification and Resolution**

The 1.67x magnification allows for detailed imaging of small specimens, making it ideal for high-resolution photomicrography. This is particularly useful when working with fine structural details that require close-up visualization.

2. **Compatibility with Infinity-Corrected Systems**

Olympus infinity-corrected microscopes are widely used in research and industrial applications. This lens is specifically designed to work seamlessly with such systems, ensuring optimal image quality without the need for intermediate optics like a tube lens.

3. **Brightness and Contrast Enhancement**

The lens is optimized to project a bright, high-contrast image onto a camera sensor or film. This is beneficial for capturing fine details in specimens, especially in fluorescence or phase-contrast microscopy.

4. **Durability and Precision Engineering**

Olympus lenses are known for their robust construction and precision manufacturing. The NFK series is designed to minimize aberrations, ensuring sharp and distortion-free images across the field of view.

5. **Versatility in Photomicrography**

The lens can be used in various imaging modalities, including brightfield, phase contrast, and differential interference contrast (DIC). Its flexibility makes it suitable for a range of applications, from biological research to materials science.

6. **Long Working Distance**

The 125mm focal length provides a relatively long working distance, which can be advantageous for imaging thicker specimens or when using additional optical components like filters or polarizers.

7. **Compatibility with Digital Cameras**

Modern photomicrography often relies on digital cameras. The lens s design ensures that it can be easily integrated with digital imaging systems, providing high-quality outputs for analysis or documentation.

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### **Cons of the Olympus 1.67x NFK 125 Projection Lens**

1. **Limited Field of View**

Higher magnification lenses like this one typically offer a narrower field of view. This can be a drawback when imaging larger specimens or when you need to capture a broader area of the sample in a single frame.

2. **Cost**

Specialized optical components like this lens are often expensive. The price may be prohibitive for casual users or those on a tight budget, especially when compared to more general-purpose lenses.

3. **Requires Specific Microscope Setup**

The lens is designed for infinity-corrected microscopes. If you are using a finite-conjugate microscope system, you may need additional adapters or a tube lens, which could complicate setup and reduce image quality.

4. **Maintenance and Care**

High-precision optical components require careful handling to avoid scratches or dust accumulation, which can degrade image quality. Cleaning and maintenance may require specialized tools or expertise.

5. **Potential for Aberrations**

While Olympus lenses are well-corrected, no optical component is perfect. At very high magnifications, minor aberrations such as spherical or chromatic aberration may still be present, particularly if the lens is used outside its optimal parameters.

6. **Limited Availability of Replacement Parts**

As with many specialized optical components, finding replacement parts or compatible accessories may be challenging. This could lead to downtime if the lens requires servicing.

7. **Not Suitable for Low-Magnification Work**

If your primary need is for low-magnification imaging or wide-field views, this lens may not be the most efficient choice. Lower magnification projection lenses or tube lenses might be more appropriate.

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### **Conclusion**

The Olympus 1.67x NFK 125 Projection Lens is a high-quality, specialized optical tool that excels in photomicrography applications requiring high magnification and resolution. Its precision engineering, compatibility with infinity-corrected systems, and versatility make it a valuable asset for researchers, scientists, and professionals in fields such as biology, materials science, and medical imaging. However, its limitations such as a narrow field of view, high cost, and specific compatibility requirements must be carefully considered before purchase.

If your work involves detailed imaging of small specimens, fluorescence microscopy, or high-resolution documentation, this lens is likely a worthwhile investment. Conversely, if your needs are more general or involve lower magnification, you may find that other optical components better suit your requirements.

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### **Recommendation**

- You are working with an infinity-corrected microscope system.

- Your primary goal is high-magnification photomicrography with detailed resolution.

- You require a lens that enhances brightness and contrast for applications like fluorescence or phase contrast.

- You are willing to invest in a high-quality, durable optical component that will serve your specific imaging needs for years.

- You need a broader field of view or lower magnification for your imaging tasks.

- Your microscope setup is not infinity-corrected, and you are unwilling to invest in additional adapters or modifications.

- Budget constraints make this lens unaffordable, and you can achieve similar results with more cost-effective alternatives.

- You are a casual user or hobbyist who does not require the precision and performance of a professional-grade optical component.

For users who are unsure, it may be helpful to consult with an optical specialist or microscope supplier to ensure that this lens aligns with your specific imaging requirements. Additionally, consider testing the lens with your existing setup if possible, either through a rental or demonstration, to confirm its suitability.

Details:

Olympus NFK 1.67X Projection Lens 125 Microscope Camera Optics. Ships promptly. Includes: Olympus NFK 1.67 projection lens as shown. Marking: 125.

Please verify compatibility with your system prior to purchase. Condition: Good cosmetic condition. No obvious scratches or defects observed. Use: Photomicrography / camera coupling.

Specifications: model: NFK 1.67. Type: Projection lens. Typically used with camera adapters and photo tubes. Glass appears clean see photos.

Notes: designed for Olympus photomicrography systems. Shipping: Carefully packed to protect optics.

part #: 167x price

• $149.99

specifications microscopepartzo:

• brand: Olympus
• mpn: 1.67x
• model: Nfk 1.67x
• part type: Len
• country of origin: Japan
• intended use/discipline: Biological Laboratory

general microscopepartzo:

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

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• # reviews: 1
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• started: April 11, 2026
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