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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 -
What is a Time of Flight (ToF) Sensor?
1. What is a time-of-flight (ToF) sensor? What is a time-of-flight camera? Is it the camera that captures the flight of the plane? Does it have something to do with planes or planes? Well, it’s actually a long way off! ToF is a measure of the time it takes for an object, particle or wave to...Read more -
How To Choose A Machine Vision Lenses
Types of industrial lens mount There are mainly four types of interface, namely F-mount, C-mount, CS-mount and M12 mount. The F-mount is a general-purpose interface, and is generally suitable for lenses with a focal length longer than 25mm. When the focal length of the objective lens is less than...Read more
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