Technical data Average error per 1km double levelling: 2.0mm Scope magnification: 24 x Lens diameter: 36mm Shortest target: 0.3m Compensator operating range: 15 Compensator accuracy: 0.5 Spherical vial: 8/2mm Horizontal circle: 400g Housing tightness class: IP 54 Weight: 1.5kg Optical leveller ELN 24 zest N12-easy It is a solidly made product of the German brand geo-FENNEL, which has been specializing in measuring technology for construction and geodesy for 165 years. The ELN 24 set is an instrument from the economy line - created for thrifty contractors looking for a good quality instrument, with complete accessories and at a very attractive price. After registration, special perks are the third year of warranty protection. Used device, 100% technically functional, I rate the visual condition as BDB Product characteristics: Magnetically damped compensator (automatic leveling of the target axis) High magnification of the scope (easy reading from a distant patch) Large lens aperture (bright image of the patch in adverse lighting conditions) Stepless double-sided sloths (quick and smooth pointing of the scope at the patch) Coarse sight (easy aiming at the patch without looking at the spot )Box vial mirror (convenient leveling from any position) Adjustable horizontal circle (easy angle marking) Metal housing (stability and effective protection against damage in difficult terrain conditions) Leveling patch with permanent geodetic and millimeter divisionThe instrument undergoes a technical inspection and an accuracy check confirmed by a check protocol before shipping to the customer ** Illustrative photos