was all set to go last night,battery fully charged,dogs keen,decent wind,had a couple of hours to spare before lamping so sat down drawn the curtains and watched a dvd.film finished opened front door to check on wind and fog was rolling in so i thought i do a quick bit of research on filters and from what i read the amber one was best for foggy conditions,luckily i have one and would try it out in the back garden and it was just as bad as the white,it gave a clearish beem for about 15/20 yards which is pointless round here so i thought bollucks thats my night f@cked,so took the dogs for a wa