KNAC2412B Optoelectronics

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Optics - Lenses

The KNAC2412B is a two-element imaging lens from Thorlabs. It has been designed for use in a wide range of imaging systems, from visible to near-infrared (NIR) wavelengths. This lens offers superior performance thanks to its apochromatic design, which ensures extremely high resolution. It includes a built-in aperture stop that adjusts the amount of light passing through the lens for optimal imaging results.

Application Field

The main application field of the KNAC2412B is the imaging of visible to near-infrared (NIR) wavelengths. It offers excellent performance for applications such as machine vision, forensic imaging, fluorescence imaging, microscopy, display inspection, digital microscopy, medical imaging, and integrated optics. The lens is suitable for many imaging systems, including those based on CCD, CMOS and EMCCD sensors. It is also ideal for use in both laboratory and industrial settings.

Working Principle

The KNAC2412B employs an apochromatic design, which is a type of lens that is designed to reduce chromatic aberration. This is achieved by using multiple lenses with different refractive properties to counteract the different wavelengths of light passing through the lens. This ensures that all colours are focused in the same plane at the image plane, resulting in high resolution images. This lens also features a built-in aperture stop to control the amount of light passing through the lens, which helps to improve image quality.

The KNAC2412B also features a compact design with a fixed iris for fast and easy adjustment. It also includes an advanced multi-layer antireflective coating to reduce flare and ghosting, and to reduce image distortion. The lens can also be used in a variety of imaging systems with different levels of complexity, from simple to complex. It is also designed for easy and long-term use, with its mechanical and optical components able to withstand long periods of usage without degrading its performance.

Conclusion

The KNAC2412B is a two-element imaging lens designed for use in a wide range of imaging systems from visible to near-infrared (NIR) wavelengths. It features an apochromatic design for extremely high resolution, along with a built-in aperture stop for improved image quality. It also includes a built-in iris and multi-layer antireflective coating for reducing flare and ghosting, and for reducing image distortion. The KNAC2412B is suitable for use in many imaging systems, from simple to complex, and is designed for easy and long-term use.

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