1. DEW SHIELD I've completed a pair of dew shields for my 16x70 binos. I used a 10mm thickness Mountain Warehouse camping mat paired to some 50mm Valcro with additional strong glue to keep them stuck together. For the first one, I used the full 50mm overlap on the Velcro to hold the ends together but they were quite hard to pull apart. So, for the second one, I used 50mm on one side of the Velcro and cut-down to 25mm on the other side of the Velcro. Time will tell which is th