Swarovski ATX / STX / BTX 65mm objective module

The Swarovski ATX / STX / BTX 65mm objective module comes equipped with a tripod mount that fits most quick release plates, and will accept any of the three available eyepiece modules: straight (STX) or angled-viewing (ATX), or the binocular viewer (BTX). The bayonet mount for the eyepiece modules is backward compatible with the original ATX/STX modules, to make it easy for users to upgrade their objectives without needing a new eyepiece module. Effective objective lens diameter of 65mm Diopter correction at ∞ (dpt): > 5 Objective filter thread: M 67 x 0.75 Length: 8.1 inches Weight: 27.3 ozs. Functional temperature: -13 °F to +131 °F Storage temperature: -22 °F to +158 °F Submersion tightness: 13 feet water depth (inert gas filling) Product Number: 48865 Please Note: Swarovski Optik orders will be shipped UPS Ground signature confirmation.