TNP-165A is a terrain surveillance device for tank commanders and sighters.

• Angle of the field of view in the horizontal plane: not less than 71 degrees

• Angle of the field of view in the vertical plane: not less than 33 degrees

• Upper angle of the field of view in the vertical plane: not less than 12 degrees

• Bottom angle of the field of viewin the vertical plane: not less than 21 degrees

• Angle of the field of vision in the horizontal plane: not less than 34 degrees

• Angle of the field of vision in the vertical plane: not less than 7 degrees

• Angle of the binocular field of vision in the horizontal plane: not less than 9 degrees

• Angular deviation of the axis beam: not less than 19 degrees

• Periscope line-of-sight height: 165 mm

• Visual transmittance factor: not less than 0.68

• Weight: not more than 2.85 kg