TSN-663M angled spotting scope body onlyPlease note: additional eyepiece is required in order to operate. Kowa 66mm XD lens model - The perfect fusion of compactness and high optical performance. Brightness and Optical Performance of the Highest Level in its Class. These high-performance models are the perfect fusion of compact dimensions and high optical performance. This series satisfies the needs of a wide range of users from bird watchers to scientists and professional researchers. The XD (ED) lens has more than 120% of the light gathering capability of a 60mm objective lens, ensuring a bright field of view for observation. All lenses, prisms, and dustproof glass are fully multi-coated, ensuring sharp images and a clear visual range. The compact body of the TSN-660M Series is equivalent in length to a 60mm class spotting scope, and weighing approx 1kg (36oz), the scope is extremely easy to handle and carry. The housing is waterproof to JIS* Protection Class 7** and filled with dry nitrogen gas to prevent the lens from fogging. Kowa TSN-663 66mm Angled Spotting Scope Body