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Field of View (FOV) Lenses

Flexibility for Varying Target Sizes

  • Direct attach—no fiber optic required—4°, 8°, 14° screw-on optics
  • 1°, 2° , 3°, 4°, 5° , 8° and 10° lenses for fiber optic attachment (SMA-905 mount)

Spectral Evolution offers a range of Field of View (FOV) lenses designed to enhance the functionality of their spectroradiometers. These lenses are crucial for tailoring the measurement capabilities of the instruments to meet specific needs, particularly in applications requiring precise and accurate data collection.

The primary function of these FOV lenses is to restrict the field of view of the fiber optic cable. The standard fiber optic cable provides a 25º cone field of view extending from the tip of the fiber. However, different measurement scenarios often require a more focused field of view. To accommodate this, Spectral Evolution offers lenses that can narrow the field of view to 1º, 2º, 3º, 4º, 5º, 8º, or 10º. These lenses are mounted directly to the end of the fiber, allowing for easy adjustment and flexibility in various measurement contexts.

The flexibility provided by these lenses is particularly beneficial in applications where the target size and distance to the target vary. For instance, in remote sensing applications, the ability to adjust the field of view can significantly enhance the accuracy of the data collected. A narrower field of view can help isolate specific features or areas of interest, reducing the influence of surrounding elements and improving the precision of the measurements.

Spectral Evolution’s FOV lenses are designed to be easily interchangeable, which adds to their versatility. This feature is particularly useful in fieldwork, where conditions and requirements can change rapidly. The lenses are compatible with the SMA-905 mount, a standard in fiber optic connections, ensuring that they can be used with a wide range of equipment without the need for additional adapters or modifications.

In addition to their practical benefits, these lenses are also built to withstand the rigors of fieldwork. They are constructed from durable materials that can endure harsh environmental conditions, ensuring reliable performance even in challenging settings. This durability is essential for maintaining the integrity of the measurements and ensuring that the data collected is both accurate and reliable.

Overall, the FOV lenses offered by Spectral Evolution are a valuable addition to their spectroradiometers, enhancing their functionality and adaptability. By providing the ability to customize the field of view, these lenses enable users to tailor their measurements to specific needs, improving the accuracy and reliability of the data collected. Whether used in environmental research, agricultural studies, or remote sensing applications, these lenses play a crucial role in ensuring that Spectral Evolution’s instruments deliver precise and dependable results.

Field Of View Lenses from Spectral Evolution:

4° FOV direct screw-on mount lens (only fits PSR+ instrument) 

8° FOV direct screw-on mount lens (only fits PSR+ instrument)

14° FOV direct screw-on mount lens (only fits PSR+ instrument) 

1° FOV lens for SMA fiber optic 

2° FOV lens for SMA fiber optic 

3° FOV lens for SMA fiber optic        

4° FOV lens for SMA fiber optic

5° FOV lens for SMA fiber optic

8° FOV lens for SMA fiber optic

10° FOV lens for SMA fiber optic

Calibrated 1° FOV GERSHUN Tube – SMA fittings

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