Swarovski Optik STS 80 Objective ModuleTHIS PRODUCT DOES NOT INCLUDE AN EYEPIECE, YOU MUST CHOOSE AN EYEPIECE BELOW! The straight view of the STS 80 is particularly beneficial to those who need to find moving targets quickly. The 80 mm objective lens diameter provides higher detail recognition, while a wider exit pupil ensures brighter images and comfortable viewing even in poor lighting conditions.