Zeiss 15x56 Conquest HD Binocular with LotuTec Protective Coating (Black) Uncompromising design, ergonomics and optics LotuTec water shedding outer coatings for all weather use ZEISS Conquest binoculars count among the best performing companions for demanding observation in their class Good for hunting, astronomy, birdwatching, nature observation 56mm objective lenses with T* coating allow for more light transmission enhansing clarity and twilight performance