Leica NA2 and Leica NAK2 are two universal automatic levels meet all the requirements of precision levelling.The model NAK2 has an internal glass circle which is read via a scale microscope and which can be set to any value by turning the rim around the base of the instrument. Tacheometric levelling is also available with the K-version on fl at terrain by combining stadia and angular measurements with height readings.Telescope – Magnifi cation: 32x. Clear objective aperture: 45mm. Shortest focusing distance: 1.6m, Multiplication factor: 100. Additive constant: