Sky watcher equinox 120 pro 120mm 475 f900 fluorite ed apochromatic refractor ota the exquisite state of the art optics as used in the evostar ed pro models are now housed in tube assemblies of even higher quality the tubes are precision cnc machined hard anodised these are exceptionally high performance telescopes for planetary and wide field deep sky observations built with two element multi coated air spaced objectives the second element is made of the highest grade extra low disp