This is the angled ocular or eyepiece for the Swarovski ATX/STX modular spotting scope system and can be used with the ATX/STX 65 mm 85 mm and 95 mm objective spotting scope models. Attaches in seconds and gives the user the advantages of an angled eyepiece. The superior optics coatings and generous eye relief provide unparalled clarity and comfort for the ultimate viewing experience.