The Pentax 8.5x21 U-Series Papilio II Binoculars are compact and fully multi-coated, making them ideal for birdwatching and general purpose use. With a maximum magnification of 8.5x and a 21mm objective lens diameter, these binoculars offer clear and detailed close-up views. The anti-reflection coating and Porro prism optical design ensure high image quality, while the sleek black design and lightweight construction make them convenient to carry around. Backed by a 1-year manufacturer warranty, these binoculars are a reliable choice for any nature enthusiast.