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  • Quality Standard of Achromatic Lens Quality Standard of Achromatic Lens The difference between achromatic lens and other glasses is that as a part of optical system, it must meet the requirements of optical imaging. Therefore, the determination of the quality of achromati...
  • Terms related to Optical Filters Terms related to Optical Filters 1) Central wavelength (CWL): The wavelength used, such as the main peak of the light source is 850 nm led lamp, requires a central wavelength of 850 nm.2) Transmittance (T): Assuming that the initial ...
  • Analysis of Optical Lens Analysis of Optical Lens From the word light alone, we can see that it means bright and transparent. Optical lenses must have these attributes and have good transparency.Optical lenses are highly transparent, chemically a...
  • The Advantage Application of Fresnel Lens in LED Projection Lamp The Advantage Application of Fresnel Lens in LED Projection Lamp Usually, the Fresnel lens is cut into a spherical surface shape in order to minimize the optical aberration of the image during imaging. The lens can better align an ideal point light source into a pa...
  • 5 Ways to Use Fisheye Camera Lenses 5 Ways to Use Fisheye Camera Lenses With fisheye camera lenses, it is very easy to take creative photos. Fisheye camera lenses are usually not very expensive and can shoot very wide scenes. It is important to understand the fisheye lens...
  • How Much do You Know about the Projector Lens? How Much do You Know about the Projector Lens? There are very few popular science on projector lenses. We often pay attention to chips, color wheels, heat dissipation, etc., but sometimes overlook the lenses that can be easily seen.Viewed from the...
  • Fresnel Lenses are Closely Related to Our Lives Fresnel Lenses are Closely Related to Our Lives At present, the main application fields of Fresnel lens include projection and solar photovoltaic field. Because the edge of the light penetrated through Fresnel lens is soft, it is often used in dyei...
  • The Applications of Fresnel Lens The Applications of Fresnel Lens Fresnel lens is a branch of lens. Compared with other lenses, Fresnel lens has the advantages of small volume, light weight and compact structure. At the same time, it has good focusing property and i...
  • Selection Basis for Aspheric Lens Selection Basis for Aspheric Lens The aspheric lens has a better radius of curvature and can maintain good aberration correction to obtain the required performance. The application of aspheric lenses brings excellent sharpness and hig...
  • What Makes Achromatic Lenses Important What Makes Achromatic Lenses Important Because achromatic lenses focus colors at the same point, they allow users to fully focus the image. Compared with uncorrected singlet lenses, achromatic lenses can produce clearer images, making it e...
  • What Makes Apochromatic Lenses Important? What Makes Apochromatic Lenses Important? Because apochromatic lenses focus colors at the same point, they allow users to fully focalize the image. Compared with uncorrected singlet lenses, apochromatic lenses can produce clearer images, maki...
  • How to Choose the Projection Lens, Prism and Lens? How to Choose the Projection Lens, Prism and Lens? 1. Classification of projection lensThere are basically two types of projection lenses, one is prism and the other is lens. Prism-type projection lenses are anamorphic lenses composed of one or more p...
  • What is a Corner Cube Retroreflector What is a Corner Cube Retroreflector 1. What are corner cube retroreflectorsWhat are corner cube retroreflectors? Today, let’s take a brief understanding. The corner cube retroreflector is generally called Paul prism or Pro prism. It is...
  • Basic Concepts and Parameters of Optical Filters Basic Concepts and Parameters of Optical Filters 1. The basic concept of optical filterAn optical filter is simply an optical device used to selectively filter the required radiation band. The substrates are mostly optical materials such as white gl...
  • Classifications of Filters Classifications of Filters Although there are many types of filters, they all have the same basic function: transmit light of a specific wavelength or color range while preventing the remaining wavelengths from passing through....