博文

What Is The Use of Super Telephoto Lenses? Comparison of The Advantages And Disadvantages of Super Telephoto Lenses

图片
A super telephoto lens is a lens with an extremely long focal length. There is no strict definition for this focal length. Generally speaking, a lens with a focal length of more than 300mm can be called a super telephoto lens. 1 、 What is the use of a super telephoto lens? The ultra-telephoto lens can magnify distant targets and capture images with clear details at long distances. In this way, the photographer can be far away from the subject, or shoot when the subject is not easily close, and the subject's condition will not be affected by the lens distance being too close. Therefore, super telephoto lenses are generally used for shooting certain specific scenes, such as shooting at sports events, shooting wild animals, shooting at news scenes, and shooting related to aerospace. T he use of super telephoto lens 2 、 Comparison of the advantages and disadvantages of super telephoto lenses (1) Advantages of super telephoto lenses A. Can shoot from a distance The biggest advantage of...

Application Advantages Of Machine Vision Lenses In Aperture Detection

图片
The application of machine vision lenses  in the field of inner hole inspection has significant advantages, bringing unprecedented convenience and efficiency improvements to many industries. Comprehensive testing Traditional internal hole inspection methods usually require the workpiece to be rotated multiple times or use multiple tools to complete a comprehensive inspection. Using machine vision lenses , especially 360° internal hole inspection lenses, the entire internal hole can be inspected at one angle without frequently adjusting the position of the workpiece, greatly improving inspection efficiency and accuracy. High-resolution imaging M achine vision lenses  are made of high-quality optical materials and precision manufacturing processes to provide clear, high-resolution imaging quality. This can clearly display various defects, foreign objects and details in the hole, which helps to find and solve problems in time and ensure the quality of the product. Highly adaptabl...

The Shooting Effect Of 180-Degree Fisheye Lens

图片
The 180-degree fisheye lens is an ultra-wide-angle lens with a huge viewing angle range that can capture a field of view of more than 180 degrees onto the camera's photosensitive surface. Due to the special design of the lens, images taken with a 180-degree fisheye lens will have bending and deformation effects around them. Next, let's take a closer look at the shooting effect of a 180-degree fisheye lens: Bend and deform effects The special shape and wide-angle characteristics of the 180-degree fisheye lens will cause the captured images to appear bent and deformed. If you're shooting a portrait, the person's facial features will be expanded and stretched, creating an interesting and very exaggerated look. This effect is particularly suitable for creating fantasy, humorous or artistic photos. Large viewing angle A 180-degree fisheye lens can capture a wider range of images than a normal lens, exceeding what the human eye can see. Therefore, it is ideal for shooting i...

Application Of Medium Wave Infrared Lens In Security Monitoring Field

图片
Medium-wave infrared lenses have the characteristics of high resolution, high penetration, and high transmission efficiency, and are widely used in many fields. Today, we will learn about the specific applications of medium-wave infrared lenses in the field of security monitoring. Application of medium wave infrared lens in security monitoring field Compared with other traditional lenses, medium-wave infrared lenses can work in no-light or low-light environments, are not affected by rain, fog and other adverse weather conditions, and are more suitable for use in security monitoring. Due to its unique properties, medium-wave infrared lenses are widely used in the field of security monitoring. Night vision monitoring The medium-wave infrared lens can capture thermal radiation in the infrared spectrum. Therefore, in a dark environment, the lens can capture the thermal radiation emitted by objects, enable night vision of objects, and achieve the purpose of night monitoring. Fire monitorin...

What Is The Main Purpose Of Industrial Lenses? What Types Of Commonly Used Industrial Lenses Are There?

图片
1 、 What is the main purpose of industrial lenses? Industrial lenses are lenses designed for industrial applications, mainly used for visual inspection, image recognition and machine vision applications in the industrial field. Industrial lenses have the characteristics of high resolution, low distortion, high contrast and excellent color performance. They can provide clear and accurate images to meet the needs of precise detection and quality control in industrial production. Industrial lenses are usually used with light sources, cameras, image processing software and other equipment to detect product surface defects, measure dimensions, detect stains or foreign objects, and other process processes to improve production efficiency and product quality. Industrial lenses play an important role in the production process of various industries such as automobiles, electronics, medicine, and food. Industrial lenses for industrial inspection 2 、 What types of commonly used industrial lenses...

What Is An M12 Lens? What Are The Advantages And Disadvantages Of The M12 Lens?

图片
The M12 lens is a relatively special camera lens with wide applicability. M12 represents the interface type of the lens, indicating that the lens uses an M12x0.5 thread interface, which means that the lens diameter is 12 mm and the thread pitch is 0.5 mm. The M12 lens is very compact in size and has two types: wide-angle and telephoto, which can meet different shooting needs. The optical performance of the M12 lens is generally excellent, with high resolution and low distortion. It can effectively capture clear and sharp images and provide good image quality even in adverse lighting conditions. Due to its compact design, the M12 lens can be easily installed on a variety of devices, such as small cameras, surveillance cameras, drones, and medical equipment. M12 lenses are frequently mounted on drones 1 、 Advantages of M12 lens es Excellent optical performance M12 lenses are generally characterized by high resolution and low distortion, capable of capturing clear and sharp images. Comp...

Key Functions And Parameters Of Iris Recognition Lenses

图片
Iris recognition is a biometric recognition technology, and the iris recognition lens is an important component used in iris recognition technology. It is mainly used to collect iris images for individual identification and is a key component to ensure the accuracy of the iris recognition system. 1 、 The main functions of the iris recognition lens We know that iris recognition lenses are mainly used in some financial, government, medical and other fields with security access control, and there are some special requirements for the functions of the lens. For iris recognition lenses, we need to focus on the following functions: High-definition image acquisition Iris recognition lenses usually use high-resolution imaging sensors that can capture the details and texture features of the human iris, thereby ensuring high-quality image acquisition. Autofocus and autoexposure Iris recognition lenses usually have auto-focus and auto-exposure functions, which can quickly and accurately adjust ...