The Steiner 10×42 Merlin Pro binoculars are a lightweight, mid-sized binocular, built with Steiner know-how and standards of precision. These are a premium model. The model 4581 Steiner 10×42 Merlin Pro is designed with wildlife in mind. The Merlin series is well known to hunters and birders alike. The Merlin Pro’s are multi-coated, water proof, fog proof and shock proof to 9 feet. They are both rugged and robust. The 10×42 Merlin Pro has a 365 foot field of view at 1000 yards; giving the user a very generous sight of their target. They weigh less than 2 pounds and their dimensions are: 6.4 x 5.2 x 2.2″.