16x to 40x Magnification 80mm Spotting Scope: Here is the most versatile optical instrument you will ever own. Perfect for astronomy, hunting, Bird Watching, or cityscape gazing, this refractor scope provides an impressive view. With a full-coated achromatic 80mm primary Objective Lens and a short 400mm focal length, this little bundle of power packs a super-fast F/5.0, which means it is the perfect light-gathering instrument for getting great views of birds or animals in darker (more...)