25.4mm Dia. x -50mm FL, Uncoated, ISP Optics Zinc Selenide (ZnSe) Negative Meniscus Lens | ZC-NM-25-50

Anti-reflection (AR) coatings are applied to optical components to increase throughput and reduce hazards caused by back-reflections.

Optical coatings are used to influence the transmission, reflection, or polarization properties of an optical component.

This comparison of the performance of aspheric, achromatic, and spherical PCX lenses in different situations reveals the ideal use cases for each type of lens.

Do you want to know more about the importance of optical specifications? Learn the different types of specifications and their impact on your system at Edmund Optics.

Meniscus lenses offer superior performance compared to plano convex lenses in IR applications. Find out the benefits of using a meniscus lens at Edmund Optics.

Optical Engineer Andrew Fisher explains how you can see the "invisible" light, or infrared light, from your own TV remote.

Using an Infrared Application? Discover the importance of choosing the right material and comparisons of each at Edmund Optics.

Traditional spherical lenses are evolving due to the increasing demands of applications. Learn about the future of spherical lenses at Edmund Optics.

Have a question about Edge-Blackening? Find more information on stray light, measuring BRDF, and more at Edmund Optics.

Do you use ray tracing on a regular basis? Learn more about the calculations aspect, along with steps and software at Edmund Optics.

Looking for application examples? Find examples for Detector Systems, Selecting the Right Lens, and Building a Projection System at Edmund Optics.

Optical lens geometries control light in different ways. Learn about Snell's Law of Refraction, lens terminology and geometries at Edmund Optics.

Optical lenses require very precise tolerances. Learn more about tolerances for spherical lenses at Edmund Optics.

Are you looking for ways to make cost effective optical designs? Find more information on selecting specifications and using tolerancing schemes at Edmund Optics.

UV grade fused silica is ideal for UV and visible applications, but IR grade fused silica has better transmission in the IR due to a lack of OH- impurities.

Have a question about short-wave infrared (SWIR)? Find definitions, application uses, and examples at Edmund Optics.

Are you trying to gauge depth of field in your imaging system? Take a closer look at this article on depth of field calculations at Edmund Optics.

Hyperspectral and multispectral imaging are imaging technologies that capture information from a broader portion of the electromagnetic spectrum.

Are standard beam expanders not meeting your application requirements? Learn how to design your own beam expander using stock optics at Edmund Optics.

Quickly Respond to Collapsing Product Lifecycles

Join Andrew Fisher, Manufacturing R&D Engineer at Edmund Optics, as he discusses some tips for modifying stock optical components to fit your application's needs.

Choosing the right optical glass is important. Find out factors and properties on how to select the right optical glass at Edmund Optics.

Need help understanding aberration theory? Learn about a few fundamental concepts to help clarify your understanding at Edmund Optics.

The diffraction pattern caused when light passes through an aperture is called the Airy Disk. Find out how the Airy Disk can impact your image at Edmund Optics.

When doing basic imaging, how do you determine the magnification an optical lens will provide?

Collimated light occurs when light rays travel parallel to each other.

Although a common misconception, individual optical lenses do not always form an image when the object plane is placed a focal length away from the lens.

Join Andrew Fisher, Manufacturing R&D Engineer at Edmund Optics, as he discusses some tips for modifying stock optical components to fit your application's needs.

The surface quality of optical components the scattering off of its surface, which is especially important in laser optics applications.

An understanding of refraction and basic ray optics is a critical foundation for understanding more complicated optical concepts and technologies.

Are you looking to use integration in your next system? Find out more about integrating in both imaging and non-imaging applications at Edmund Optics.

Edmund Optics is a global stock and custom optics manufacturing company with in house optical designers and on-site metrology and environmental testing.

Edmund Optics® (EO) manufactures millions of precision optical components and subassemblies every year in our 5 global manufacturing facilities.

Learn about the metrology that Edmund Optics® uses to guarantee the quality of all optical components and assemblies.