Swarovski ATX/STX 65mm Objective Module Spotting Scope

Building on the success of the original modular spotting scope system, the Swarovski Optik ATX/STX/BTX 65mm Objective Lens Module gets an updated tripod shoe that fits Arca-Swiss 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