Where mr barlow and other cyber-utopians found the separation between the real and virtual worlds exciting , however , critics regarded it as a cause for concern .
Photo details : I captured these white light images using a lunt herschel solar wedge filter setup ; 80mm university optics refractor ; 2x barlow lens ; dmk ( 21 + 31 ) fire wire cameras ; 1 / 1000 sec .
This view was expressed most clearly in the " declaration of the independence of cyberspace " issued by john perry barlow , an internet activist , in february 1996 .