- most importantly, light-weight plenty of for many folks to lift in excess of downed trees. I don’t believe that’s an choice for most, Despite having the lightest gasoline engined Filth bikes.My PVS14 can be an L3 skinny film using a photocathode sensitivity of 2500uA/lm, I've witnessed loads of unfilmed tubes hover all over 2000uA/lm. I do no… Read More