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...
What is a Corner Cube Retroreflector
1. What are corner cube retroreflectorsWhat are corner cube retroreflectors? Today, let’s take a brief understanding. The corner cube retroreflector is generally called Paul prism or Pro prism. It is...
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...
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....
How to Judge the Quality of Optical Lenses?
Ⅰ. There is no good or bad optical lensesTheoretically speaking, the optical lenses can only be suitable or not. Generally, the more expensive the optical lenses, the better the image quality. The op...
How to Choose a Laser Lens?
1. Choose a laser lens with excellent technologyAs the foundation and important part of the optoelectronic technology industry, laser lenses need to provide a good guarantee for technology, especially...
Basic Knowledge About SWIR Lensens
1. SWIR Lenses is also an optical lensSWIR Lenses refers to the wavelength range between 900nm and 2500nm, which is invisible to the naked eye.Light is an electromagnetic wave. SWIR lenses is located...
Tips on Selecting The Bandpass Filter
1. What is Bandpass Filter?Bandpass Filter is optical filter that passes one or more specified wavelength bands while blocking other wavelength bands. Bandpass Filter refers to wavelength ranges and i...
What is the Difference Between Spherical and Aspheric Lenses?
1. The difference between spherical and aspheric lenses: surface curvatureThe difference between spherical and aspheric lenses: a spherical lens refers to a constant curvature from the center to the e...
Why Use an Anamorphic Lens? How to Use It?
If you like to shoot videos, you must have heard of anamorphic lenses, and even considered buying anamorphic lenses. What exactly is an anamorphic lens? Is the video shot with it really similar to the...
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...
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