Automatic Topcon at B4 Optical Level

The Topcon AT-B4 automatic level is a durable, entry-to-mid level surveying instrument designed for everyday construction and leveling tasks. With its 24× magnification and fast self-leveling compensator, it delivers reliable accuracy and stable performance even in vibration-prone environments like busy job sites. Key features • 24× magnification for clear and accurate readings • Magnetic damping compensator for quick stabilization and precision • Short focus distance (≈20 cm) for tight spaces • IPX6 waterproof design for all-weather performance • 360° horizontal circle for easy angle measurement • Lightweight and compact build for easy transport and setup