Kowa TSN660 Series Spotters

These high performance models are the perfect fusion of compactness and high optical performance.
This series satisfies the needs of a wide range of users from beginning bird watchers to scientists and professional researarchers.
Features:
66mm Objective Lens: The lens has more than 120% the light gathering capability of a 60mm objective lens, ensuring a bright field of view for observation.
High-End "Prominar" Models: The Prominar models (TSN-663/664) with XD objective lenses are available for those who seek higher optical performance.
Fully Multi-Coated Optics: All lenses, prisms, and dustproof glass are fully multi-coated, ensuring sharp images and a clear visual range.
Compact and Lightweight Body: The compact body of the Kowa TSN-660 Series is equivalent in length to a 60mm class spotting scope, and weighing only 1kg (36 oz), the scope is extremely easy to handle and carry.
Waterproof and Filled with Dry Nitrogen Gas: The housing is waterproof to JIS (Japanese Industrial Standard) Protection Class 7 (This scope is not intended for use underwater) and filled with dry nitrogen gas to prevent the lens from fogging.