Representing the mid-sized option in their line of modular spotting scopes, the Swarovski Optik ATX/STX/BTX 85mm 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 a new eyepiece module. This larger objective versus the 65mm model draws in more light and produces a larger exit pupil to improve its low-light capabilities and make it an invaluable companion from dawn to dusk.
- Objective Lens Diameter 85 mm
- Minimum Focus Distance 11.8' / 3.6 m
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