一、What is an M12 lens?
An M12 lens is a type of lens commonly used in small format cameras, such as mobile phones, webcams, and security cameras. It has a diameter of 12mm and a thread pitch of 0.5mm, which allows it to be easily screwed onto the camera’s image sensor module. M12 lenses ...
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...
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...
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...
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...
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...
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...
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...
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 ...
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...
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...
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...