Swarovski BTX + 95mm Objective Module with Optional 1.7x Extender - Optics from Grahams of Inverness UK
Bird Watching magazine team review the Swarovski BTX Eyepiece Module - YouTube
Swarovski Telescope BTX 35x95 | safarisuppliesSwarovski Telescope BTX 35x95Unique with two eyepiecesThe BTX combines the visual power of both eyes with a revolutionary viewing experience. Crucial subtleties can be seen with the