What Are the Functions and Uses of Laser Beam Expanders?Understanding Laser Beam ExpandersA beam expander, also known as a collimator, is a commonly used Galilean telescope system that usually consists of a negative lens and a positive lens, both of which ...view
What Are the Characteristics of Infrared Lenses?ED glass correction of infrared lensesIn order to achieve clear focus for both infrared light and visible light, it is necessary to ensure that their focal planes are on the same plane. The optical co...view
Features and Application Areas of Infrared LensUnderstanding infrared lensesIn surveillance environments where infrared light supplementation is not required, regular lenses can be used; in surveillance environments where infrared light supplement...view