Choosing the best telescope for adults can be a daunting task due to the various options available on the market. It is important to consider a few key factors before making a purchase. First, determine your budget and decide how much you are willing to spend on a telescope. Next, consider the type of observing you want to do, whether it be stargazing, planetary viewing, or astrophotography. This will help you determine the type of telescope that suits your needs.