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What Is the Difference Between Spherical and Aspherical Lenses?
What Is the Difference Between Spherical and Aspherical Lenses?

Apr. 02, 2021

The surface of spherical lenses looks like it’s part of a sphere or cylinder.The curve is the same across its entire surface. If you drew a line to follow that curve, it would form a circle. Because the design is simple, spherical lens...
Optical Lenses Selection Guide
Optical Lenses Selection Guide

Mar. 19, 2021

Optical lenses used to change the focal length of another lens are transparent optical components used to converge or diffuse light emitted from surrounding objects. The transmitted light then forms a true or false image of the object.
What Do You Know about Optical Windows?
What Do You Know about Optical Windows?

Mar. 06, 2021

Optical windows are flat, optically transparent panels, typically designed to maximise transmittance over a specified wavelength range while minimising reflection and absorption.
What Is the Type of Filter?
What Is the Type of Filter?

Feb. 24, 2021

​Filters are made of plastic or glass sheets and then add special dyes, red filters can only let red light through, and so on. The transmittance of the glass is about the same as the air, all colored light can pass, so it is transparent.
What Are the Types of Prisms?
What Are the Types of Prisms?

Feb. 05, 2021

A prism in optics is a transparent optical element with a polished and flat surface that refracts light. The correct surface angle depends on the needs of the application. The traditional geometry is a triangular-based prism with rectang...
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