Details: Item No.：JJZ103A Spec.：12?50 Magnification：12? Objective Diameter：50mm Field of View at 1000m：92m Type：Porro Prism Dear Sirs: We are professional manufacturer of all kinds of binoculars and optical products. We have five years experience of self-import & export, and the products are mainly sold to Euramerican countries and others. And our engineers specially invent some items for gifts and promotion, they have novel appearence and feel very well, I hope they can create more commercial chances for you. Please take several minutes to access our website for more details of our products. If any of them meets your interest, please feel free to tell us, we?ll answer you without any delay! We have the ability to supply you good items with competitive price. Hope to have the opportunity to work with you in the future.