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.: FAL20 FAL24 FAL28 Magnification: 20X 24X 28X Standard deviation for 1km: 2.5mm 2.0mm 1.5mm Double run leveling Objective Aperture: 30mm 30mm 40mm Field of View: 1°30' Shortest Focus Distance: 0.5m Compensator type: magnetic-damping with locking system Working range of compensator: ±15' Levelling accuracy: ±0.5" ±0.5" ±0.4" Circular vial: 8'/2mm Horizontal circle: 360°or 400G for option. Weight: 1.3kg Standard outfit: Automatic Level, plumb bob, adjusting wrench, instruction manual, plastic carrying case.