Telescope Components

noun a person or thing that refracts, such as a lens or prism

• The scientist used a refractor to bend light and study its properties.
• I borrowed my friend's refractor telescope to stargaze last night.
• Check out this cool refractor I found at the thrift shop!
• Her positive attitude acted as a refractor, changing the way we viewed the situation.

noun a type of lens designed to bring two wavelengths of light to a common focus, eliminating chromatic aberration

adjective describing the type of lens that is achromatic

• The achromatic lens is designed to minimize chromatic aberration in optical systems.
• I just got a new camera with an achromatic lens for better image quality.
• This achromatic lens is like magic for taking clear photos.
• Using an achromatic lens is like seeing the world in high definition.