We specializing in electronic surveying instrument and some related accessories.and our product is high quanlity with competitiv

·Improved structure of rack and gear system avoid dislocation. ·Reliable air-damping, wire-hung compensator with X wire design. ·Excellent sealed structure for using in any weather conditions. ·5/8\"X11 threads to fit standard tripod, suitable for both flat and dome head tripod.

Specifications:

Item no.: AL20 AL24 AL28 AL32 Magnification: 20X 24X 28X 32X Standard deviation for 1km: 2.5mm 2.0mm 1.5mm 1.0mm Double run leveling Objective Aperture: 38mm 38mm 38mm 38mm Field of View: 1°20\' Shortest Focus Distance: 0.3m 0.3m 0.3m 0.3m Compensator type: wire-hung and air-damping Working range of compensator: ±15\' Levelling accuracy: ±0.5\" Circular vial: 8\'/2mm Horizontal circle: 360°or 400G for option. Weight: 1.65kg Standard outfit: Auto Level, plumb bob, adjusting wrench, instruction manual, plastic carrying case.

AL Series Automatic Level