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% the light gathering capability of a 60mm objective lens, ensuring a bright field of view for observation. All lenses, prisms and dust proof 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 and filled with dry nitrogen gas to prevent the lens from fogging.
Objective Lens Effective Diameter: 66mm
Objective Lens Material: XD lens
Minimum Focusing Distance: 6m
Filter thread: 72mm