Drawbacks: Refractor telescopes can suffer from chromatic aberration ... Features and Benefits: Excellent for astrophotography, the EvoStar 80 APO boasts high-quality glass and coatings that ...

Well, any of us who has ever looked through a telescope could say the same, for the two principal types in use today were developed by giants: the refractor by Galileo and the reflector by Newton.

The journey of astronomical telescopes began in the early 17th century when Galileo Galilei crafted his first refracting ...

Chinese scientists are working to set up the world's largest refracting telescope in Tibet Autonomous Region for observing stars and planets. Deputy Director of the regional department of science and ...