QR (Quick Response) codes have become ubiquitous in our daily lives, from product packaging to advertising campaigns. The ability to quickly and accurately scan QR codes is essential for their effective utilization. However, capturing high-quality images of QR codes can be challenging due to vari...
一,Types of Security Camera Lenses:
Security camera lenses come in different types, each designed to suit specific surveillance needs. Understanding the types of lenses available can help you choose the right one for your security camera setup. Here are the most common types of security camera l...
Plastic materials and injection molding are the basis for miniaturized lenses. The structure of the plastic lens includes lens material, lens barrel, lens mount, spacer, shading sheet, pressure ring material, etc.
There are several types of lens materials for plastic lenses, all of which are esse...
一、Commonly used sub-division scheme of infrared
One commonly used sub-division scheme of infrared (IR) radiation is based on the wavelength range. The IR spectrum is generally divided into the following regions:
Near-infrared (NIR): This region ranges from approximately 700 nanometers (nm) to 1...
M12 Mount
The M12 mount refers to a standardized lens mount commonly used in the field of digital imaging. It is a small form factor mount primarily used in compact cameras, webcams, and other small electronic devices that require interchangeable lenses.
The M12 mount has a flange focal distance ...
Nowadays, a car has become indispensable for every family, and it is very common for a family to travel by car. It can be said that cars have brought us a more convenient life, but at the same time, they have brought danger along with us. A little carelessness in driving may lead to tragedy.
Sa...
Intelligent Transportation System (ITS) refers to the integration of advanced technologies and information systems to improve the efficiency, safety, and sustainability of transportation systems. ITS encompasses various applications that use real-time data, communication networks, sensors, and ad...
1、What is the machine vision system?
A machine vision system is a type of technology that uses computer algorithms and imaging equipment to enable machines to perceive and interpret visual information in the same way that humans do.
The system consists of several components such as cameras, imag...
What is a Fisheye Lens?A fisheye lens is a type of camera lens that is designed to create a wide-angle view of a scene, with a very strong and distinctive visual distortion. Fisheye lenses can capture an extremely wide field of view, often up to 180 degrees or more, which allows the photographer...
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...