TNPT-3 is a device to assist the tank commander in viewing behind and above the vehicle; it is equipped with electrical heated protective windows.

• Angle of the field of view in the horizontal plane: not less than 118 degrees

• Angle of the field of view in the vertical plane: not less than 54 degrees

• Upper angle of the field of view in the vertical plane: not less than 35 degrees

• Bottom angle of the field of view in the vertical plane: not less than 19 degrees

• Angle of the field of vision in the horizontal plane: not less than 45 degrees

• Angle of the field of vision in the vertical plane: not less than 12 degrees

• Angle of the binocular field of vision in the horizontal plane: not less than 10 degrees

• Visual transmittance factor: not less than 0.60

• Weight: not more than 2.35 kg

• Operating conditions: from -50 °Ñ to +50 °Ñ