All metal construction with rubber armor provides a sure grip and great durability. And also with a special prisms construction for extremely shockproof.

Highest brightness - better than 90% light transmission，fully broadband multi-layer coating optics.

The finest optical performance requires the finest optical materials，by use of special performance optical materials. We extremely raising the optical performance standard of the product.

Flat-field, distortion free, high resolution optics - equally sharp from center to edge.

The dry nitrogen filled and O-ring sealed for 100%waterproof & fogproof，also completely fog-free vision from –40℃ to +70℃.