SURVEYING SYSTEM AND METHOD OF OPERATING A SURVEYING SYSTEM

A surveying system comprises a base , a first alidade mounted on the base and rotatable relative to the base about a first axis , a first optical instrument mounted on the first alidade , wherein the first optical instrument is configured to emit a first beam of measuring light, a second alidade mounted on the base and rotatable relative to the base about a second axis , and a second optical instrument mounted on the second alidade, wherein the second axis substantially coincides with the first axis. The first optical instrument includes a scanner , and the second optical instrument includes at least one camera