Assertion: telescope's optic | /r/HasProperty | good
Facets:
value: quite
type: DEGREE
Source sentences:
text: As such, the Maksutov-Cassegrain really is best suited for planetary work - and the optics can be quite good.
text: Are the optics good?
text: In fact, the optics of the StarBlast 4.5 Astro Reflector are so good that it's also a very popular choice for more experienced amateur astronomers looking for a compact and portable telescope to use as a "grab-and-go" alternative to larger, bulkier mounted models that require more setup time and maintenance.