Pentax Binoculars UD 9x21 Pink**Pentax UD 9X21 ** incorporates fully multi coated optics a series of lens coatings identical to those applied to higher class models to assure bright and clear viewing. The Pentax UD series assures comfortable viewing in a wide variety of applications, while excelling in cost performance. The 9X21 version also provides a choice of five body colors to accommodate user color preferences. Key features Compact, lightweight design. Bright, clear viewing.