TNP-350B is a terrain surveillance device and is installed on armored vehicles.

• Angle of the field of view in the horizontal plane: not less than 42 degrees

• Angle of the field of view in the vertical plane: not less than 10.5 degrees

• Upper angle of the field of view in the vertical plane: not less than 5 degrees

• Bottom angle of the field of view in the vertical plane: not less than 5.5 degrees

• Angle of the field of vision in the horizontal plane: not less than 25 degrees

in the vertical plane: not less than 3 degrees

• Angle of the binocular field of vision, degrees, not less than

in the horizontal plane: not less than 7 degrees

• Periscope line-of-sight height: 350±10 mm

• Visual transmittance factor: not less than 0.5

• Overall dimensions: not more than 160×73×407 mm

• Weight: not more than 5.45 kg