It is the one telescope that can be used for almost any application and as such is one  one of the most popular telescopes on the market today.
For the observer who wants a little of everything, from deep-sky to planetary viewing and imaging / photography, plus portability, a Cassegrain is an excellent choice.  It is the one telescope that can be used for almost any application and as such is one  one of the most popular telescopes on the market today.