1. Fully multi-coated blue lens to achieve outstanding performance by minimizing light reflection, increasing light transmission and brightness.
2. Larger eyepieces feature provides a very comfortable view when looking through the eye lens.
3. Larger objective lenses feature provides a sharper and clearer image, and works very well even at low lighting level.
4. Fold down rubber eyecups, which is very convenient for who wear eyeglasses or not.