The 6-12X17 FB Zoom binoculars offer a high degree of versatility created by the ultra-compact design and exceptional optical capabilities.Perfect for theater, sporting events and travel, the new zooming function allows you to feel as though you are right in the middle of the action. Not only are the FB Zooms great for indoor viewing, their aluminum housing enables outdoor applications as well. When size and weight are important considerations, the FB Zoom should be at the top of the list.