Anyone looking for serious equipment of proven quality will be pleasantly surprised by Swarovski’s ATS/STS HD Spotting Scopes. These spotting scopes provide unbeatable value, durability, and a light-weight modular design which easily and affordably accommodates upgrades. Whether you want to start with a 65mm objective lens and upgrade to a whopping 95mm objective lens, the Swarovski ATS/STS HD Spotting Scope series allows for such upgrades without buying an entirely new body. Revolutionary design, outstanding performance and a wide range of choices make the ATS/STS a leader in the world of spotting optics. Swarovski ATX Modular Angled Eyepiece 49901