Chinese Dumpy Auto Level Surveying Automatic Level, Find Details and Price about Auto Level Surveying Equipment from Chinese Dumpy Auto Level Surveying Automatic Level - Nanjing ShunFeng Mapping Equipment Factory
Auto Level Optical Level Copy B30 (B30) B40 B30 B20 Telescope Objective aperture 32mm(1.26 in) 36mm(1.42 in) 42mm(1.65 in) Magnification 24 × 28 × 32 × Image Erect Field of view 1°25' 1°20' Resolving power 4 .0" 3 .5" 3.0" Shortest focus 0.3m (1.0 ft) ...