Central fingertip control includes focus locking diopter, and zoom control

Black rubber housing to protect against dust and scratches

Revolutionary dual-axis, single body housing with synchronized eye-piece adjustment to assure correct optical alignment for comfortable viewing

Fast and easy center focusing for handling ease

Helicoid-style eyepiece rings for extra viewing comfort

Fully multi-coated optics to eliminate harmful ultraviolet rays while improving light transmission for high contrast images with no glare or flare

Inverted porro prism design results in light weight, compact body

High quality BaK4 prisms transmit more light at the edges to enhance illumination for easier viewing in dim light