Amazon offers the Simmons ProSport 12x 50mm Roof-Prism Waterproof/Fogproof Binoculars
, model no. 899502, for $45.87
with free shipping
. That's $4 under our May mention as the lowest total price we've seen. (It's a current price low by $39.) They feature multi-coated optical glass, BaK-4 prisms, rubber armor coating, and more.