These compact, inverted porro-prism models feature a durable dual-axis, single body design with synchronised inter-pupillary distance adjustment. They are a perfect ""utility"" companion for a multitude of applications. The Papilio is a unique binocular. Of course it's a fine and compact companion on nature trails and holidays, but when your interests are flowers, insects, bugs or butterflies the Papilio turns out to be an indispensable instrument. No other binocular combines fine handling and easy viewing with an unsurpassed close focus of only 50cm! You can observe nature in its natural habitat without disturbing or missing the finest detail.