Analysis of Optical Lens
From the word light alone, we can see that it means bright and transparent. Optical lenses must have these attributes and have good transparency.Optical lenses are highly transparent, chemically a...
Aspherical Lens are Lighter, Thinner, Flatter
The spherical lens is with a constant curvature from the center of the lens to the edge, while the aspherical lens changes continuously from the center to the edge. In photographic lenses, many aberra...
What Kind of Lens is the Best Choice for the Projector Lens
Lenses of different materials will have different effects on the picture. According to the projector lens on the market at present, their lenses are mainly divided into two types, one is glass lens, t...
What Is a Beam Expander?
1. Brief introduction of beam expanderA light or laser beam expander is a scientific instrument that can expand the input beam of parallel light or laser into a larger output beam. In terms of usage, ...
Achromatic Lenses
1. The introduction of achromatic lensAchromatic lenses have various configurations, the most common of which are positive achromatic lenses, negative achromatic lenses, three-phase achromatic lenses ...
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...
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...
Classifications of Filters
Although there are many types of filters, they all have the same basic function: transmit light of a specific wavelength or color range while preventing the remaining wavelengths from passing through....
Aspherical Lenses and Cylindrical Lenses
Ⅰ. Understand aspheric lensThe aspheric lens has a better radius of curvature and can maintain good aberration correction to obtain the required performance. The application of aspheric lenses brings...
What is the Function of Laser Collimating Lens?
Semiconductor lasers have the advantages of low cost, long life, small size, and high reliability, and have broad application prospects in industrial processing, pumping, medical treatment, and commun...
Tips for Using Micro Lenses
We often use micro lenses to shoot some flowers, plants, insects and e-commerce products, and occasionally use micro lenses to shoot common subjects such as portraits. It can be said that there are st...
The Difference Between Micro Lenses and Ordinary Lenses
1. About micro lensesMicrolenses are actually lenses with higher magnification and optical qualities optimized for close-up photography. Usually, micro-lenses have a 1:1 magnification ratio, and gener...
What Are Micro Lenses? What Are the Characteristics?
The purpose of macro photography is to try to show the details of the subject in detail, and to present the subtle parts in full detail. In macro photography, there is a term that must be recognized, ...
Understanding the Methods for Cleaning Singlet Lens
We all know that Singlet Lens is very important for SLR cameras, and the imaging quality of photos is determined by the lens. When we go out to travel, we always take our SLR camera with us. Over time...
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