Light Pollution Filter fitted to an unmodded Canon 7D, image taken by Mark Payne on or before 28th January 2011

Light Pollution Filter fitted to an unmodded Canon 7D, image taken by Mark Payne on or before 28th January 2011

Light Pollution Filter fitted to an unmodded Canon 7D, image taken by Mark Payne on or before 28th January 2011

Light Pollution Filter fitted to an unmodded Canon 7D, image taken by Mark Payne on or before 28th January 2011