IUKO VISION MODULAR SYSTEM: unique modular system for all your needs You can combine elements to protect, magnify, light up. Any component can be used indipendently or combined with one or more. CALLIOPE - Personalized Galilean telescope: • magnification from 2X to 3X, working distance from 28 to 60 cm - specify with order • waterproof telescope • compatible with protective shield TETI • supplied in a case with accessories