refractor

we need a refractor telescope for stargazing.

the refractor design allows for clearer images of distant stars.

he prefers a refractor over a reflector telescope.

refractor lenses are essential for high-quality photography.

the refractor's optics provide excellent color correction.

using a refractor can enhance your viewing experience.

many astronomers recommend a refractor for beginners.

the refractor was invented in the 17th century.

adjusting the refractor can improve focus and clarity.

he studied the properties of a refractor in his physics class.