Closed Circuit Television Lens. Term commonly applied to a family of compound lenses which offer exceptionally high resolution, short focal length and color imaging at fast lens apertures, such as required in the television industry.
SPHERICAL VS. ASPHERIC LENSES
HOW THEY’RE USED IN IMAGING APPLICATIONS
Optical Lenses are often categorized by their shape. Two common surface shapes are spherical and aspherical. Each offers unique characteristics that make it suitable for different use cases.