1:100 stadia for distance estimation. Easy-to-read horizontal circle. Large effective aperture and minimum focus of 1 foot (0.3m). Magnetically-dampened, wire-hung compensator for optimum range and accuracy. Right angle prism for easy bubble viewing. Top-mount
From the Manufacturer
To give you optimum range and accuracy, this CST Berger automatic level has a magnetically dampened, wire-hung compensator with a compensator lock that protects it during transport, and also acts as a checking tool. The large, easy-to-use focusing knob has a minimum focus of 1-foot, with a top-mounted optical peep sight providing quick reference. Water resistant, this level features a penta prism for bubble viewing, an easy-to-read horizontal circle, and sealed, dust-protected leveling screws. 1:100 stadia for distance estimation. 5/8-inch by 11 threads fit standard tripod. You kit includes case, accessories, tripod, and rod.