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What Lens is used in CCTV Camera? What Does CCTV Camera Lens Do? How to Choose a CCTV Camera Lens?

一、What Lens is used in CCTV Camera? CCTV cameras can use various types of lenses depending on their intended application and desired field of view. Here are some common types of lenses used in CCTV cameras:   Fixed Lens: These lenses have a fixed focal length and cannot be adjusted. They are us... Read More

What is Lens Distortion in Photograph? What is Wide Angle Low Distortion Lens? What is the Main Applications of M12 Low Distortion Lens?

一、What is lens distortion in Photograph?  Lens distortion in photography refers to the optical aberrations that occur when a camera lens fails to accurately reproduce the image of the subject being photographed. This results in a distorted image that is either stretched or compressed, depending... Read More

What Is Fisheye CCTV Camera？What Are The Advantages And Disadvantages Of Fisheye Lens In The Use Of Security And Surveillance？How To Choose A Fisheye Lens For CCTV Cameras?

1、What is fisheye cctv camera？ A fisheye CCTV camera is a type of surveillance camera that uses a fisheye lens to provide a wide-angle view of the area being monitored. The lens captures a 180-degree view, which makes it possible to monitor a large area with just one camera. The fisheye cctv c... Read More

The Features,Benefits and Applications of the M12 Fisheye Lens

A fisheye lens is a type of wide-angle lens that produces a unique and distorted perspective that can add a creative and dramatic effect to photographs. The M12 fisheye lens is a popular type of fisheye lens that is commonly used for capturing wide-angle shots in various fields such as architectu... Read More

What is Neutral-density filter?

In photography and optics, a neutral density filter or ND filter is a filter that reduces or modifies the intensity of all wavelengths or colors of light equally without changing the hue of the color reproduction. The purpose of standard photography neutral density filters is to reduce the amount... Read More

Types of classic lenses

The singlet lens The doublet lens Petzval lens Cooke triplet and anastigmat lenses The Tessar lens The Ernostar lens The Sonnar lens The Double Gauss lens The symmetric wide angle lens The telephoto lens The Retrofocus / Reverse telephoto lens The Fisheye lens Zoom lenses Afo... Read More

Vision-Sensing-Based Mobile Robot

Today, there are different types of autonomous robots. Some of them have had a major impact on our lives, such as industrial and medical robots. Others are for military use, such as drones and pet robots just for fun. The key difference between such robots and controlled robots is their ability t... Read More

What Is The Chief Ray Angle

The lens chief ray angle is the angle between the optical axis and the lens chief ray. The lens chief ray is the ray that passes through the aperture stop of the optical system and the line between the entrance pupil’s center and the object point. The reason for the existence of CRA in the ... Read More

Optics In Medicine And Life Sciences

The development and application of optics has helped modern medicine and life sciences enter a stage of rapid development, such as minimally invasive surgery, laser therapy, disease diagnosis, biological research, DNA analysis, etc. Surgery and Pharmacokinetics The role of optics in surgery and p... Read More

What Is Line Scan Lenses And How To Choose?

Scanning lenses are widely used in AOI, printing inspection, non-woven fabric inspection, leather inspection, railway track inspection, screening and color sorting and other industries. This article brings an introduction to line scan lenses. Introduction to Line Scan Lens 1) Concept of line scan... Read More

Characteristics of Optical Lenses in Different Circumstance

Today, with the popularity of AI, more and more innovative applications need to be assisted by machine vision, and the premise of using AI to “understand” is that the equipment must be able to see and see clearly. In this process, the optical lens The importance is self-evident, among... Read More

Development and Trend of Biometric Technology

Biometrics are body measurements and calculations related to human characteristics. Biometric authentication (or realistic authentication) is used in computer science as a form of identification and access control. It is also used to identify individuals in groups that are under surveillance. Bio... Read More
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