From the delicate wings of a butterfly to the intricate details of distant landscapes, the Pentax Papilio Ii 8.5x21 Butterfly Series Binoculars bring the natural world into sharp focus. Named after the Latin word for butterfly, these binoculars are expertly crafted for the enthusiastic outdoor adventurer and nature observer. With their innovative Pentax Convergent Lens Optical System Engineering (Close) mechanism, these binoculars offer unparalleled close-focusing capabilities, allowing you to observe the finest details of insects, flora, and artwork as if you were standing just inches away.The Pentax Papilio Ii series stands out with its weather-resistant construction, ensuring reliable performance in a variety of outdoor conditions, making it an ideal companion for hikers, bird watchers, and butterfly enthusiasts. The high-quality, 8.5x magnification power brings distant subjects into clear view, while the 21mm objective diameter captures a wide, bright image.