This is going to be a long part, so buckle up. In case you don’t want to read the whole thing, the overall message is the optics are pretty good.
80mm refractors usually come with short, 400mm optical tubes to cut down the manufacturing cost. Although it is an acceptable sacrifice, the result is severe chromatic aberrations around most bright objects.
Chromatic aberration is a colorful halo around bright images. Although most beginners don’t notice it, it is widely regarded as an aspect that lowers the image quality.