On the ATS/STS telescopes, the focusing ring is located on the body and the zoom ring on the eyepiece. This means that, depending on the operation, one has to change the position of the hand more often. The body of the X series is made of magnesium while the S series is made of aluminium.
What is the difference in spotting scopes?
Spotting scopes often require the use of a tripod, just like telescopes, whereas monoculars are held in one's hand like binoculars. Binoculars, on the other hand, require the use of both eyes and are defined as two telescopes mounted on a single frame.Mar 16, 2020