... are three types of scope: "straight-through" (the eyepiece is on the same axis as the body of the scope), ... angled" (the is at an angle of about 45 degrees to the body of the scope), and, rarely, a more ... best magnification is decided by a number of factors. Magnifications of less than 20X are unusual, as ( ... the ultimate in quality: are the most expensive of all[], closely followed by , and .[] Several ...