What is a Penta Prism?
Prism is a piece of triangular glass or plastic. Prism works because different colors of light propagate at different speeds inside the glass. Because colors of light propagate at different speeds, th...
Application Design of Infrared Optical Lenses
Infrared optical devices, commonly known as IR optical devices, are used to collect, focus, or collimate spectra in near-infrared (NIR), short-wave infrared (SWIR), medium-wave infrared (MWIR), or lon...
The Anamorphic Lens Is the Key to Wide-Screen Movie Images
Originally developed as a tool and technique to capture and project a wider aspect ratio on 35mm film, anamorphic lenses have become a favorite of cinematographers due to their unique characteristics ...
Using Anamorphic Lens Provides Wider Field of View
Development of widescreen in the early 1950s aimed to make movies more exciting. Movie studios hoped that the new perspective would encourage people to return to the cinema instead of staying indoors ...
What Is a Fisheye Lens?
Increasing creative inspiration with fisheye lensesThe fisheye lens in photography depends entirely on your need for the broadest view of the world. Like everything else, this lens is just a tool that...
Circular Fisheye Lens Suitable for Astrophotography
What is a fisheye lens used for?A fisheye camera lens is used for a wide range of activities in different fields: Astronomers use a fisheye camera lens to project the night sky onto a dome in an obser...
Optical Correction of Infrared Lenses
There are two meanings of the term "镜头" in the field of film and television: one refers to the optical component of movie cameras and projectors used to generate images, which is composed ...
Features and Application Areas of Infrared Lens
Understanding infrared lensesIn surveillance environments where infrared light supplementation is not required, regular lenses can be used; in surveillance environments where infrared light supplement...
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...
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 ...
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