ViewSonic on Wednesday released the LS510 and LS610 LED projectors expanding its Luminous Superior series. The projectors are equipped with 3rd generation LED technology ranging from 3000 to 4800 ANSI lumens along with a claimed high contrast ratio of 3,000,000:1. The projectors come with 360-degree projection built-in 5V/2A USB output along with a sealed optical engine with IP5X which the …