Tools, Surveyor, nikon
TOPCON AT-B Series Since the introduction of the first auto level AT model in 1961, Topcon has been a world leader of auto level technology for 50 years. Since 1990, the previous AT-G series has been the bestseller models for more than two decades. The new AT-B series sets a new standard for auto levels used in surveying, engineering and construction applications. The AT-B series can focus on objects at 20cm (7.9in.) in front of the telescope, while previous models provided 50cm or 1m (1.6ft. or 3.3ft.) minimum focusing distance. This feature dramatically facilitates the works in confined spaces.
, survey software