Zeiss Diascope 85 T* FL spotting scopes offer nothing short of outstanding properties by which all other spotting scopes are judged. Zeiss DiaScope 85 T FL is class leader if we judged it by quality of fluoride glass used for lenses and other constructional glass elements, by quality of housing or innovative focusing mechanism. Same goes for optical properties which are also class leading and only very few competitors can offer similar level of quality. Housings of Diascope 85 T FL spotting scopes are 100% waterproof and sealed against dust, outer lens surfaces are also protected with LotuTec coating, which repels water droplets and dust particles. For care free use of this spotting scopes at the lowest temperatures housings are filled with dry nitrogen and dew will never build up inside. Focusing is enabled with special dual-stage mechanism which offers incredible speed and accuracy of focusing.