Assertion: refracting telescope | /r/HasProperty | popular
Facets:
value: because of this robust simplicity
type: CAUSE
value: for seasoned observers
type: OTHER
value: for first time buyers
type: TRANSITIVE-OBJECT
value: very
type: DEGREE
Source sentences:
text: Maksutov-Cassegrain telescopes (often called “Mak” for short) have been popular because they offer sharp, high magnification images in a short tube that is easy to use and requires little in terms of user maintenance.
text: The Maksutov-Cassegrain telescope is also a very popular design offered to amateur astronomers.
text: Dobsonian telescopes are a popular option for first time buyers as well as seasoned observers and have a well earned reputation for the biggest bang for the buck.
text: Because of this robust simplicity, they are very economical and popular with astronomers of all levels of ability.