A lens system is a collection of lenses that work together to produce an image. Some synonyms for the term "lens system" include optical system, lens array, lens group, optical arrangement, or optical assembly. These terms all refer to a collection of lenses that are arranged in a specific way to achieve a particular effect, such as magnification or image stabilization. Different lens systems can have varying numbers and types of lenses, and can be found in everything from cameras to telescopes to microscopes. While the term "lens system" is the most commonly used, there are several other ways to describe this important optical technology.