The MM3 60 GA is an evolution of the travelscope concept pioneered by Opticron. Constructed from polycarbonate and lightweight alloys, the super-compact optical system creates a body just 252mm/9.9" long weighing about the same as pair of 42mm binoculars. They can be hand-held for crystal clear flat field observation at magnifications below 20x but unlike binoculars deliver magnifications up to 45x for close-up accurate observations at distance.