Celestron nature monocular 10x25 has an ergonomic design and is easy to grip the rubberized coating makes it not only secure but resistant to scrapes it has bak4 multi coated optics which means a bright high contrast view with a generous 18mm of eye relief meaning comfort for spectacle wearers it is small which makes it easily transportable together with waterproof and fogproof so it can be used at a variety of events rrfeatures r multi coated for maximum resolution and high contr