Complete set of level,tripod, and measuring instruments

: This is the yellow instrument on top of the tripod, likely a Geo-Fennel GFN 1 or similar model, known for its precision in leveling tasks. 

Tripod: The three-legged stand providing a stable platform for the level, essential for accurate measurements. 

Leveling Staff: The white and black marked pole with measurements, used in conjunction with the optical level to determine relative elevations. 

Carry Case: An orange case is visible at the bottom, likely for storing and transporting the optical level