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  • What Are the Significant Performance Characteristics of Achromatic Lens? What Are the Significant Performance Characteristics of Achromatic Lens? Ⅰ. Anatomy of achromatic lensAn achromatic lens, also called achromatic, is usually composed of two optical elements joined together. These two optical elements are usually a positive low index (crow...
  • Where Do Fisheye Lenses Work Best? Where Do Fisheye Lenses Work Best? Because of the creation of unusual images, fisheye lenses are often unfairly regarded as special effects lenses. However, due to the curvilinear way of the fisheye on the periphery, using it in the ri...
  • What is the Function of Laser Collimating Lens? What is the Function of Laser Collimating Lens? Semiconductor lasers have the advantages of low cost, long life, small size, and high reliability, and have broad application prospects in industrial processing, pumping, medical treatment, and commun...
  • Projection Lenses and Their Benefits Projection Lenses and Their Benefits Projection lenses play an important role in modern society. When combined with a projector, these lenses allow people to view a 2D image on a screen by magnifying it and projecting it onto a distant s...
  • What to Clean the Projection Lens With? Can the Coating Be Repaired? What to Clean the Projection Lens With? Can the Coating Be Repaired? Ⅰ. What should be used to clean the projection lens?The projection lens needs to be cleaned with lens paper, cotton swabs and special cleaners, of which the cleaners can be replaced by pure water or ...
  • Common Sense of Projector Lens Common Sense of Projector Lens 1. Common sense of projector lensFor a projector, the projector lens is the last link in the projector's optical path. Whether the lens is good or not, and whether the aperture value can be minimi...
  • What to Do if There is Fog Inside the Projector Lens? What is the Cleaning Method? What to Do if There is Fog Inside the Projector Lens? What is the Cleaning Method? Projector lens specifically refers to the lens used in micro-display projectors. It is a key factor affecting the quality of projection, with different lenses directly impacting clarity, color, bright...
  • Understanding Apochromatic Lens and Its Applications Understanding Apochromatic Lens and Its Applications Introduction to Apochromatic LensA apochromatic lens can be defined as a lens made up of two different types of lenses with different focal lengths that cancel out apochromatic or color distortion. Ch...
  • Why Use Apochromatic Lens? Why Use Apochromatic Lens? Apochromatic lenses are most commonly used in the form of doublet lenses. A doublet lens is made up of a pair of eyeglasses – one concave and the other convex. The concave element is made of flint gl...
  • What Do You Need to Know About Custom-Made Optical Lenses? What Do You Need to Know About Custom-Made Optical Lenses? Many customers who want to customize optical lenses are not professionals in the optical industry and may not be familiar with the technical requirements when making demands for their customized lense...
  • How to Use Fisheye Lenses? How to Use Fisheye Lenses? Understanding Fisheye LensesA fisheye camera lens is a type of lens with a focal length of 16mm or shorter and a viewing angle that is close to or equal to 180 degrees. It is an extreme wide-angle len...
  • What is a Penta Prism? What is a Penta Prism? Prism is a piece of triangular glass or plastic. Prism works because different colors of light propagate at different speeds inside the glass. Because colors of light propagate at different speeds, th...
  • Fisheye Lens Creates Unique Atmosphere Fisheye Lens Creates Unique Atmosphere Understand fisheye lensesA fisheye camera lens, also known as an "ultra wide-angle" or "superwide" lens, is a type of wide-angle lens that can capture extremely wide photos, usuall...
  • Why Should I Buy a Fisheye Lens? Why Should I Buy a Fisheye Lens? Understand fisheye lensesFisheye lenses are a special type of lens in the ultra-wide-angle lens category, and their field of view strives to reach or exceed what the human eye can see. Therefore, fish...
  • The Versatility of Fisheye Lenses The Versatility of Fisheye Lenses Although wide-angle lenses are the main product of landscape photography, wide-angle fisheye camera lensess can provide the same wide field of view and perspective, but with a unique style. The distor...