The Vortex Optics Sheltered Wings Talon HD Binocular 8 x 42 (SWTLN4208HD) has an HD glass with an extra-low dispersion that creates impressive resolution, giving you high definition images, every time. It basically lets you see their every move. It features an XR fully multi-coated lens that increases light transmission. This product is fogproof and waterproof plus a secure non-slip grip external protection. The exterior also features ultra-hard, scratch-resistant coating which protects it from such damage, oil and dirt. It's compatible with a tripod adapter, allowing you to mount this on your window car for your convenience. Adjusting both barrels and different user's eye function is on the right eyepiece is a great function as well, The Vortex Optics Talon HD Binocular is one gear you won't miss out on bringing for all your hunting needs.