The Use of Filter in the Counterfeit Detector
The currency detector is an optoelectronic instrument for checking the authenticity of banknotes, involving many fields such as machinery, electricity, light, and magnetism. The counterfeit identifica...
5 Ways to Use Fisheye Camera Lenses
With fisheye camera lenses, it is very easy to take creative photos. Fisheye camera lenses are usually not very expensive and can shoot very wide scenes. It is important to understand the fisheye lens...
Fresnel Lenses are Closely Related to Our Lives
At present, the main application fields of Fresnel lens include projection and solar photovoltaic field. Because the edge of the light penetrated through Fresnel lens is soft, it is often used in dyei...
Factors to Consider When Choosing an Infrared Lens
1. The importance of infrared lensThe lens is an indispensable part of the infrared thermal imager. Its function is to converge the infrared radiation of the target on the infrared detector, and throu...
How Much Do You Know about the Telecentric Lens Application?
1. Application advantages of telecentric lensOne of the important advantages of telecentric lenses is that changes in object distance do not affect the magnification of the image. The telecentric lens...
The Functions of a Fisheye Camera Lens
1. Introduction to fisheye camera lensFisheye lens is an extreme wide-angle lens, and "fisheye camera lens" is its common name. In order to maximize the photographic angle of view, the front...
SWIR Lens
1. Introduction of SWIR lensesLight is a kind of electromagnetic wave, with the visible spectral of 0.38-0.76um, and the infrared spectral region of 0.76-1000um.The part of 0.76-3.0um is called refle...
The Application of Zoom Lenses
Ⅰ. The selection principle of the zoom lensesThe maximum imaging circle size of the lens should not be less than the imaging specification of the camera chip, that is to say, 1/2 lens can be used wit...
Technology and Application of MWIR Lens
1. The use of MWIR lensWith the development of infrared detector technology and application requirements, the use of MWIR lenses is also increasing. Due to the refrigerating mechanism used by the medi...
On-chip Arbitrary Mode Spot Conversion
On-chip photonic devices show great potential in many applications, including communications, microwave photonic signal processing, quantum information, sensing and computing. Recently, researchers ha...
Explore the Aspheric Achromatic Lenses
The aspherical achromatic lens is a cost-effective lens with excellent chromatic aberration and spherical aberration correction functions, and meets the demanding imaging requirements of today's o...
Why Use Penta Prism for SLR Cameras?
People nowadays are very familiar with SLR cameras. SLR cameras are single-lens reflex viewfinder digital cameras. The principle of SLR cameras is to use a single lens to view the view, and the light ...
What is a Micro Lens Array?
At present, people have been able to make lenses and lens arrays with very small diameters. Such lenses and lens arrays are usually not recognized by the human eye. They can only be observed with micr...
Basic Concepts and Parameters of Optical Filters
1. The basic concept of optical filterAn optical filter is simply an optical device used to selectively filter the required radiation band. The substrates are mostly optical materials such as white gl...
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Factors to Consider When Choosing an Infrared Lens
1. The importance of infrared lensThe lens is an indispensable part of the infrared thermal imager. Its function is to converge the infrared radiation of the target on the infrared detector, and throu...
How Much Do You Know about the Telecentric Lens Application?
1. Application advantages of telecentric lensOne of the important advantages of telecentric lenses is that changes in object distance do not affect the magnification of the image. The telecentric lens...
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