The Topcon AT-B4. The economical model of the new Topcon AT-B Series. Ideal for Engineering and Construction Project. with 24x magnification and rapid, accurate and stable automatic compensator the Topcon AT-B4 delivers quality and accuracy at an affordable price.
The compensator of AT-B series incorporates four suspension wires made of super-high-tensile metal that features minimal thermal expansion coefficient, providing unmatched durability and accuracy even in the harshest environmental conditions. Finely tuned magnetic damping system quickly levels and stabilizes the line of sight despite the fine vibrations present when working near heavy equipment or busy roadways.