# 12 x 50mm # Nitrogen-filled waterproof construction allow binoculars to be used in the most extreme weather conditions # Submersible to 1 m # Aluminum diecast body adds strength & durability # Long eye relief for viewing with or without glasses # Mechanical focus lock feature allows user to lock in at a specific distance for convenient focus-free viewing # Click-stop diopter adjustment locks in right eyepiece diopter setting # Ruggedly constructed with a rubber housing to protect the internal optical & mechanical systems # Helicoid eyepiece ring with 4 click stops give most comfortable eye relief # Limited lifetime warranty
