Extra-low Dispersion glass for optimum clarityFully multi-coated optics to produce sharp imagesFocus knob with 1.8 turns — close focus from 6.6ft/2mHigh resolution phase corrected BAK-4 roof prismsLightweight rubber coated mid-size top hinge chassisStay-on lens covers for maximum lens protectionTwis..
FeaturesExtra-low Dispersion glass for optimum clarityFully multi-coated optics to produce sharp imagesFocus knob with 1.8 turns — close focus from 6.6ft/2mHigh resolution phase corrected BAK-4 roof prismsLightweight rubber coated mid-size top hinge chassisStay-on lens covers for maximum lens protec..